vjudge6
- vjudge6
- Student
- Gimnazija Veljko Petrovic Sombor, Serbia Sombor Serbia
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Practice Problems (3356):
Practice:
Prime Generator, Transform the Expression, The Next Palindrome, Factorial, Sphere in a tetrahedron, Small factorials, Pouring water, Play on Words, Marbles, Ordering the Soldiers, Stable Marriage Problem, Mixtures, Bytelandian gold coins, Ambiguous Permutations, Enormous Input Test, Sums in a Triangle, Simple Sorting, Not a Triangle, GCD2, ATM, Some More Homework, A Christmas Pizza Puzzle, Johnny and the Beanstalk, Product of divisors, Life, the Universe, and Everything, A Very Easy Problem!, Squash the Bugs, Paying up, The Lucky Draw, Team Selection, Buggy algorithm, Sums in a cuboid, Golf course, Nuclear Reactors, A Bowling Game, Crystals, Sum of pairs, Sum of numbers, Prime Palindromes, The Lead Game, Permutation Cycles, Discrepancies in the Voters List, A puzzle game, Just a simple sum, Kayaks, Modulo, The N Queens Puzzle Revisited, The LCS Problem Revisited, The Best Box, Maze of Digits, Plant Location, Stone Game, Anagram, Binomial Coefficient, Distorted Palindrome, The Next Prime, Edit Distance, Graph Counting, Array Transform, Genetics, Robot Game, Summing Slopes, Yet Another Number Game, Flipping Coins, Multiples of 3, Maximal crosses, Squirrel and chestnut, Gravel, Reduce string, Head office building, Randomly Testing Circuits, Backup Functions, Bombing, Count palindromes, Fetching Cooking Tools, Arranging the Appetizers, Baking Cupcakes, Cleaning Up, Trees Again, A Simple Equation, Decreasing String, Product of Digits, The Perfect Chocolate Candy, Birthday Candles, Cooling Pies, Traffic Jam, A String Game, Chess Pushing Game, Choosing Cook Off Problems, One Dimensional Game of Life, Dinner Party Socializing, Cutting Recipes, Number Game Revisited, Ski Resort, Newspaper Puzzle, Pairing Chefs, Milestones, Coloring Colorable Graphs, Pruning Trees, Holes in the text, Integer Sequences, Three Way Communications, Cutting Rods, The Mother-ship, Mushroom Cave, Palindrome Palindrome, Rectangles Counting, The Great Wall of Byteland, Cipher Text, Parade, Bickering Cooks, Frosting Cupcakes, Product of Digits Again, The Grand Cook Off, A Prime Conjecture, Internet Media Types, Chef Teams, Popular Rice Recipe, Billboards, Most Popular Friend, Infinite Grid Game, Misinterpretation, Garden Squares, Younger Brother, Vote for the Noodle Soup, Counting Hexagons, The Baking Business, Robot Movings, PDS Number, Sine Partition Function, Polynomial Partition Function, Last Digit Sum, Digit Rotation, New Restaurant, Target Practice, Hotel Bytelandia, Pattern, Evil Book, Across the River, Divisor Sum, Stepping Average, Lucky Days, Colorful Chain, Generalized Arithmetic Progression Free Sequence, First non-Palindrome, Sum of Factors, Arithmancy, Calendar, Mr and Mrs Ant, Subanagrams, Houses and Restaurants, Graph on a Plane, Ciel and A-B Problem, Dynamic GCD, Lucky Long, Card Shuffle, Favourite Numbers, Word Couting, Home Delivery, Count of Maximum, Spoon in Matrix, Fit to Play, Daily Train, Combination Generator, Algorithm Challenge, Magic Trick, Change of base, Divisor Summation, Is it a tree, Double Strings, Jewels and Stones, Find a special connected block, Substrings on a Tree, Little Elephant and Strings, Stacking Pancakes, Lucky lucky number, Connected Components, String encryption, Little Elephant and Alcohol, Little Elephant and Candies, Andrew and the Birthday, Little Elephant and Movies, Little Elephant and Mouses, Little Elephant and Painting, Little Elephant and Colored Coins, Top Batsmen, Remember the recipe, Expected Maximum Matching, Lights, PRIME, Resistance, Little Elephant and Bamboo, Little Elephant and Boxes, Little Elephant and Exams, Kisses & Hugs, Remy paints the fence, Little Elephant and Bombs, Doom Bakes Cakes, Cool Numbers, Fierce Battles, My Fair Coins, Gift Rift, Arranging Cup-cakes, Event Organizer, Equivalent Suffix Tries, Closing the Tweets, Prime Permutations, Connecting Soldiers, Matchsticks, Block Game, Delivery Boy, Racing Horses, Ciel and Receipt, Ciel and Map, A Game of Thrones, Queries About Numbers, Machine Gun, Knight Moving, ChefTown Parade, Annual Parade, Three is Crowd, Code Crazy Minions, A New Door, The New Scheme, Chef Game, Granama Recipes, Coin Flip, Recipe Reconstruction, Carvans, Coal Scam, Buy1-Get1, Book Exercises, Tourist Translations, Chef Under Pressure, Need More Diamonds, Different Trips, Little Elephant and Permutations, Sridhar Likes Travelling, Buying Sweets, Equalization, Tennis Tournament, Rat Maze, Pizza Delivery, Barcelona Gameplay Tactics, Jurassic Park, KGP Summers, Triangular Queries, Tree Counting, Multiples, Subset Sum, Expected Greatest Common Divisor, Root of the Problem, Packaging Cupcakes, Cucumber Boy and Cucumber Girl, Chef of the Year, Climbing Stairs, ChefGame, Count the Words, Vacation, Observing the Tree, Approximately, Queries on tree again!, Minimum Distance, Many Chefs, Three Different Numbers, Final Battle of Chef, Saruman of Many Colours, The Glittering Caves of Aglarond, The Mirror of Galadriel, Merciless Chef, Snape and Ladder, Physics, Kingdom Unity, Find Minimum Distance, The Ball And Cups, Palindrome, Level Of Difference, Hello Hello, Prime or not, Fire Escape Routes, Lack of Logic, Row and Column Operations, Electricity Cutoff, Bishops, Almost Prime, BiCo Gaming Grid, Helping Lira, COVERING SUBSTRING, Levy Conjecture, Another Factorial Problem, TicTacToe, Superpowers of 2, ZooZooland Water Shortage, Juno Puzzle for May, Name Reduction, Your Name is Mine, Save The Princess, Just Some Permutations 3, Andrew and the Meatballs, Andrew and the Strings, Dessert Wizard, Mountain Holidays, Mountain Holidays 2, The Number Of Solutions, SORT, Andrew and the Balls, Count Special Matrices, Andrew and the Meatballs again, Predictopus, The Probability Of Winning, Lapindromes, Cool Guys, Furik and Rubik and Sub Array, Rook Placement, XOR Sum, Subtraction Game 1, Subtraction Game 2, Chef and Walking on the rectangle , Chef and Segments, Chopsticks, Counting The Important Pairs, A Plus B Again!, Maxim and Dividers, Sereja and Game, Attic Crossing, Sereja and Ballons, Online Shopping, Sereja and Sorting, Sereja and Graph, Deleting numbers, Prime Distance On Tree, Elephant, Crocodile, Greedy Trip, Gangsters of Treeland, Tasty Dishes, Splitting Candies, CAO Stage-3, Matrix, Sorting, To Queue or not to Queue, Yet Another Nice Girl, Chef and The Colored Grid, Chef and The Right Triangles, Chef and The Divisibility Queries, Quadrilateral, Number of numbers, Yet Another Cute Girl, Fibonacci Number, Strange Matrix, Factorisation, Sereja and Sorting 2, Kamehameha, Sereja and Vectors, Polo the Penguin and the Lucky String, Game Of Thrones, Polo the Penguin and the Test, Queries With Points, Uncle Johny, Square Digit Squares, Substring Problem, Missing some chairs, Chef and Codes, Polo the Penguin and the Tree, Lucy and the Number Game, Statues, Line Problem, Stand Up, Lucy and Palindromes, Chefs in Queue, ForbiddenSum, ATM, Help Ragetti, Valley of Death, Rescue Jack Sparrow, Number Mirror, Am I a Fibonacci Number, Lowest Sum, Number of Paths, Trees and Subtrees, Jackpot, List Editing, Funny Marbles, Magic Pairs, Reign, Rectangular Queries, Query on a tree VI, Chef and Substrings, Chef Goes Through Segments, Chef and Favourite Sequence, Perfect Subarrays, Mike and Task Packages, Counting Matrices, Hard Disk, Walking Path, Rich Rhyme, Family of Recurrences, Chocolate Division, Merging Files, Changing Money, Multi-Peg Tower of Hanoi, Please like me, Chef and Feedback, Graph Challenge, Count on a Treap, Team Split, Election Campaign, Olympic Village, Stairway Reduction, Building Township, Ant Colony, Message Coding, Toy Exchange, Sequence Alignment, Longest Common Pattern, Little Elephant and Subarrays, Farmer Feb, Chef and the Cake I, Chef and Shop, Chef and String, Chef and Numbers, Cards, bags and coins, Subtraction Game, Interrogating Gangsters, Compilers and parsers, Chef and Way, Walk, Maximum number, GCD condition, The Street , Little Chef and Numbers, Atoms in the Lab, Counting Bits, Naughty and Balls, Ingredients, Drunk Game, Subarray Xor, Sherlock and Inversions, Sherlock and Subtrees, A Story with Strings, Chef and Remissness, Chef and Kingship, Chef and Uniqueness, Swap and Explore, Dynamic Trees and Queries, Chef and Reunion, Cross the Maze, Game of Divisors, ABC-Strings, XOR Minimization, 3-Palindromes, Sereja and ASum, Chef and Graph Queries, Final Battle, Sereja and D, Sereja and Arrays, Easy Tiling, Chef-jumping, Little Elephant and T-Shirts, Permuted Array Problem, Dividing Stamps, Divide the Tangerine, Book Game with Chef, Nice SubSegments, A Game With a Sheet of Paper, Chef and Reversing, Chef and Frogs, Chef and Ground, Sereja and Subsegment Increasings, Chef and Chain, Chef and Segment Game, Chef and Digit Jumps, Chef and Tree Game, Chef and Rainbow Array, Sereja and Equality, Chef and Rainbow Array - 2, Chef and Strange Matrix, Chef and Subarray, Sereja and Arcs, Chef and Bracket-Pairs, Shortest Path in Binary Trees, Chef and Swaps, Chef and Left-Right, Divide the Cake, Ups and Downs, Tree Game, Stone, Count Substrings, Count Permutations, Knight Fork, Count Substrings, Permutation Shuffle, Reach The Point, Divisible Subset, The Leaking Robot, Approximately II, Jumping Monkeys, Addition and Multiplication, Brand New Game, Forgot Password, Maximizing Marks, Rectangles, Game of Numbers, Time to Study Graphs with Chef, Counting Flags, Knapsack Problem, Painting, Sherlock and the Grid, Substring Query, Coprime Triples, The Smallest Pair, Dynamic Inversion, Subarray GCD, Chef and sequence, Shift The String, Lowest Common Ancestor, Rectangle Query, Cleaning Tables, Copy-Paste, Present for Andrii, Sum Queries, Friends, Chef and Array, Fun with Rotation, Flooring, Harrenhal, Iron Islands, Dragonstone, Children Trips, 2048, A wolf, a sheep and cabbage, Count Digits, Chef and Strange Formula, World War 2, Tanu and Head-bob, Convert the Expression, Servers, Jam, Chef And Fibonacci Array, Sereja and Game 2, Magical Girl and Colored Liquid Potions, Updating Edges on Trees, DevuLand, Dinosaurs and Laddus, Chef and easy problem 2, Chef and medium problem , Chef and medium problem 2, ICPC Pre-Prelims Practice Round, A Magical Length, Bye, inversions!, Cyclic Prefix, Determine the Maximum Sum of Weights, Steady tables, Solving the Practice Contest, Spiderman and Jumping, The Dirty Path, Distinct Characters Subsequence, Chef and Red Black Tree, Chef and A Large Permutation, Chef and Notebooks, The Army, Walk on the Axis, Maximum Average Sub-Array, A game of consecutive piles, Logging in the computer, Even or Odd, The Problem Set, Launch Tower, Let us construct palindrome, Chef and a great voluntary Program, Chef and Churu, Matrix Again, Player, Course Selection, Ground Stations, Chef and Strings, Mangalyaan-2, Supercomputer, Mahesh and his lost array, Sereja and Salesman, Three elements, Chef and Apple Trees, Cascading Style Sheets, The last cracker, Discount on crackers, Jai Hanuman, Sereja and LCM, Covering Sets, Lost Graph, Brackets, Petersen Graph, Sereja and GCD 2, Chef and Keyboard, Chef and Stones, Zombinatorial, Dividing the Students, Cultural Programme, Charlie and Prime Numbers, Ramanujan and Numbers, Billiards, Sereja and Two Lines, Sereja and Votes, One Dimensional Kingdoms, Xor Queries, Delivery Man, Sum Of Binomial Coefficent , Queries On Tree, String Matching, Bread, Random Number Generator, Drawing Contest, Sequence Containment, Kings Dinner, Interview Scheduling, Robot Movement, Good Joke!, BlindDate Contest, Pilgrimage, Irrigating Farms, Finding Exponent, Fit Squares in Triangle, Piece of cake, Candidate walk, Just multiply, Dhonis Bowlers, Matryoshka Dolls, Kiwi Number, Jersey Number, Opening Pair, Gabba sprint, Gcd Queries, Suraj goes shopping, Tojo hates probabilities, Anup at Amrithapuri, Random Rudreshwar, Digits in Factorial, Xor Matrix, Chef and Equality, Little Chef and the King, Equilibrium number, Not Palindrome, DOTS Player, Factorization, Let us play with even and odd numbers, Chef and Pattern, Chef and Interview, Will India Win, Message Typing, Lucky Four, The Warehouse, Thiruttu pasanga 2, The First Cube, Sweet Deal, Robin and Gold coins, Broken Telephone, Median, Inversion sorting, Big Queries, Matrix, Find P-th Number, Chef and His Friend, Counting on a Tree, Devu and binary String, A game on a graph, Library and Headcount, Hacking the Random Generator, Pair of Numbers, The Grand Budapest Hotel, Andrash and Stipendium, Devu and survival task of a reality show, Fibonacci, Way Out, Chef and Prime Divisors, Longest Path, Easy One, Chef and Piano Scales, Little Party, YJump, Roger and Tree II, Set Difference , Swapping in a matrix, Chef and beautiful patterns in the garden , How to Minimize a String, Mathematics Genius, Chef and new recipe, Chef and Balanced Strings, Minimum Transaction, Devus and their voting system, Palindromeness, Chef and Cake, Flip Flops, REVERSE, Chef Anup, Equality, Version Control System, Prime Palindrome Sum, Euler Totient Function Extended, Tickets, Snow Leopard and sum of primes, Bank and vulnerable passwords, Snow Leopard and his funny list of videos, Clarke and Australian Cricket Team, Counting Primes, Maximum GCD, Counting on a directed graph, Math Bond, Busy-ness, Expected Value, Anticommutative implication, Laboratories, Ankit, Srijan and a game of stone piles, King test to his sons, Securing Florence, Save the kids, Displaying Da Vinci work, Unlock Secrets or Leonardo, Teaching binary to a child, Handling the explosives, Finding Identity Integers, MasterChef, Devu And Churu , Yet Another Problem On Strings, Zeroes, A New Scheme, Find Missing Number, Spiral Form, Chef and Cube, Password Validation, Rohith and Circles, Array Operation, Devu and Grapes, Devu and Manhattan Distance, Add Two Numbers, Find Remainder, First and Last Digit, Smallest Numbers of Notes, Sum of Digits, Helping Chef, Total Expenses, Id and Ship, Gross Salary, Valid Triangles, Grade The Steel, Gregorian Calendar, Ingredients, GCD and LCM, Second Largest, Small Factorial, Nikhil and Commands, Arush Challenge, Primality Test, Finding Square Roots, The Block Game, Farmer And His Plot, Wrong Answer, Chain of Doughnuts, Chef and Dolls, Chef and his Sequence, The Campus chapter effect, Merge Sort, Nikitosh and xor, Number of Ways , Chefbook, Devu and friendship testing, Rupsa and the Game, Entrance Exam, Make XOR zero, Dining, Devu and most energetic minion, Rupsa and Number army, Train Partner, Cops and the Thief Devu, Maximize Disjoint Pair Sum, Bored of Nim, Cooking Machine, Time measure, Divisibility by 9, Palindromic Queries, Chef and Table Tennis, Churu and Balls, Count Subarrays, Strange operations, Easy exam, Chef and Bitwise OR Operation, Chef and Submatrix, Chef and Two Strings, Puppy and GCD, Puppy and game, Chef and Sets, Race Time!, Treasure Hunt, Future of draughts, Chef has a Spaghetti Garden, Chef And The Hiring Event, Simple Queries, Chef and Segments, The Confused Weighing Machine, Who dares to be a millionaire, Chef and Super Array, Chef and Rectangle Array, Receipt Recovery, Counting Subgraphs, Forgotten Language, Friends Meeting, Spheres, Chef and the stones, Chef and the XORed Number , Chef and the Number Sequence, Churu and lost string, Chef and the Wildcard Matching, Capital Movement, Make Palindrome, Minimum Maximum, Rupsa and Equilateral Triangle, Easy Queries, Coffee Breaks, Pattern matching, Misha and Gym, Sum of palindromic numbers, The 8-Queens, Rectangles of Love, Yet Another Problem About Sequences, The Gift Of Raksha Bandhan, Super Numbers, Chef And Operators, Jump mission, Simple Sum, Stacks, The Climbing Monkey, Cyclist Race, Chef and cakes, Fast squarer, Estimating progress, Counting Zigzag Sequences, Creepy Bob, Oracle Devu and Longest Common Subsequence, GCD on Tree, Alternating Colored Paths, Mahasena, Chef and Filters, Poker Chips, Factorial to Square, Word Stem, Almost Sorted Permutation, Bhallaladeva, Finding Hardest Sum Value, Just Update and Print the array, Chef-Detective, (Challenge) Chef and Palindromes, Processing a string, Weird Paths in a tree, Exam results, Chef and Tetris, Matrix Maximum Sum, MST, Finding sum, Chef and Girls, Mutated Minions, Petr Contest, Jimma and Chingam, Computer Network, Ancient Berland Roads, Trip and Palindromes, Chef and Destruction, Matched Brackets, Wormholes, Distinct Codes, Black And White Cells, Palindromic substrings, Sereja and Line, Sereja and Array and Subtracting, Sereja and Tree 2, Chef and Sign Sequences, Chef and Sub Array , Urban Development, Sereja and Permutations, Chef and Cycled Cycles, Magical Strings, The Christmas Gift, Floor Distribution, Distinct Colors, Jalebi Bai and Decks of Sweets, Chef and Pick Digit, Chef and Time Machine, The Parenthesis Tree, The making of a cake, Samosa Bhai and his Courier Company, Chef and Subarrays, Chef and Queries, Chef and LCS, Chef and Tree, The Christmas Cookies, DP - Ways to write word, MATHS - find sum, The Revenge of Jalebi Bai, Wait for it, Call Center Schedule, git, Circles and Squares, Jump on Buildings, Cat and Mouse, Similar Strings, Chota Mouse and his birthday cake, Longest Palindrome, COINS, Exponential Sub-Palindromes, Product of two numbers, Longest Common Subsequence, Chef And Binary Operation, Bubble Swap Count, Chef and Fruits, army soldiers, Gaint and Sifat, Euler Circuit , Traffic Count, Social Network, Malvika conducts a Programming Camp, Malvika is peculiar about color of balloons, Animesh practices some programming contests, Animesh decides to settle down, Crazy Malvika discovers Crazy Fibonacci function, Monika And Song, College And Gift, Radix Sort, Super Hashing, The Return of Palindrome, Chef and digits of a number, Mike and GP , Not even planar, Taxi Fare, Digital clock, Learn Segment Tree, Strange Functions, Knapsack on Tree, Alternating subarray prefix, Three Numbers, Node Picking, COC battle, Optimal Reserve Price, Divisibility test, Subset query, Largest Number, Simple Search, Disabling Installations, Faded Palindromes, Chef and Socks, maximize the sum, Chef and Big Matrix, Chef and math, Parity tree, Fullmetal Alchemist, Chef And Special Dishes, Tiptoe through the tulips, Chef and Balls, Chef and Coins Game, Chef and Three Dogs, Puppy and Sum, Chef and Ballons, The Unforgotten Letters, Rain Water trapping, Arjun and Fibonacci, The Inversions, Asya & Encoding, Shubham and Strings, Social Networking Site, Forest Gathering, Two Closest, Arrays Sum, Simple Statistics, ABABAABA, Asya & Beautiful Strings, Asya & Coloring, Ada and crayons, String Queries, Total Palindromic Numbers, The potato problem, Simple Sum, Fire and Ice, The Root Sub Game, Dragon Warrior, Counting Zeroes, The Closest Vertex, Sonal And Forests, Array Game, Fear of Rectangles, MinConcats, Range Modulus, Intersections, Golu and url shortner , chess, ZEROES01, Cyclothon, Agent Chef, Chef And Coloring, Maximum K Sums, Mr Perfectionist, Mr Swegwan and Arrays, Help with selection, Multiuser Environments, Summer Internship, Help with distances, Probability, Simple Multiplication, Climbing Stairs, PrePre, Movie Weekend, Odd Divisors, Queries on a Binary Tree, Polygon, Daddy and Chocolates, Shifu and Strings, Rohan and new Calendar, Circle, Tree Cake, Large factorials, Eugene and big number, The Bracket Problem, Chef and Round Run, Cats and Dogs, Chef and Big Soccer, Laddu, BookWorm, Coins And Triangle, Captain Party, Anmol and Running, Misha and Geometry, Akhil And Colored Balls, Akhil And Pending Homework, Chef and special numbers, Tandem, Maze, Devu and an Array, Cycle Race, Evaluate the polynomial, Funny gnomes, Primitive Queries, Yet Another SubSegment Sum Problem, Kitchen Timetable, Better Maximal Sum, Floor Division Game, Very Simple Question- The Quadruple, Sticks, Right Triangle, Chef and Robots Competition, Art, Longest Increasing Subsequences, Chef and Sad Pairs, Robot Walk, Sharing Candies, N different palindromes, Cutting Cake, Chef and his study plans, Chefland and Electricity, LIS and LDS, Best Maximum Product, VCake, Xortest Path, Equalize, Dividing into Regions, Chef and Two String, Collisions, One more weird game, Square in numbers, Cube Towers, Chef Land, Range Minimum Queries , Chef and Mover, Travelling in a tree, Coloring A Tree, Good Numbers, Love among People, JosephLand, Counting Games, Chef and Proportion, Chef and Numbers, Chef and Land, Chef and squares, Theatre Square, Building Permutation, Riku and Toys, A Good Problem, Tweedle-Dee and Tweedle-Dum , Pattern Craft, Sums, 3 Divisible Subsets, Queen of Hearts, Chef and calculation, Will and Closed Set, Naughty Sanket, Drumpf for President!, Horrible Bosses, Quadruples, If - Else Problem, Digit Longest Increasing Subsequences, Studying Alphabet, Short in Average, Lock-Free Stack, Pascal Triangle, Sorting Tool, Second Year Pains, Completing favorite game, Take Turns, Kth Max Subarray, Sahil The Anime Lover, JARVIS and LCP , Mahasena , Joker and Batman, Lazy Jem, The Lost Arithmetic Sequences, Counting Strings, Shortest path queries, Asya & Number of Paths, Write a program to reverse an array or string, Chef and Inequality, Chef and Triangles, Chef and Tree, Zack And The Handkerchieves, Find The Factos, The Necklace, Weird Spider, Lousy Game, Chef and Bike, Ash and Pikachu, Chef and Digits, Diagon Alley, Number Pyramid, School distance, Coldplay Concert, The Crofts Game, Break the tree, Tree Palindromes, Batman v Superman, Find The Digits, Number Lock, Pattern, The Jumping Kangaroos, Prime Numbers, Cheater Motu, Sherlock and the Ugly Flower, Watson asks Does Permutation Exist, Candy Game, Chef and midsems, Huge GCD, Chef and Stacks, Euron Problem, Chef and Cards, Mansi and Her Student, Minimum Cost Walk, Luther and Palindromes, Longest Increasing Subsequence, ChefWatson uses Social Network, FastFood Combos, Sereja and Permutations 3, Bob and his problem, Task for Alexey, A walk on a grid, Infinitity, The Largest Bouquet, Missing Digits, Increasing Subarray, Help Lost Robot!, Beautiful Arrays, Watson and Digit Sums, Good Sets, Colorful Grids, Chef and Bipartite Graphs, Counting Lights, Query On Strings, Query On Arrays, Matching Brackets, Download file, To add or to multiply game, Fusing Weapons , Hill Jumping, Mr P and his Friend, Egg Problem, Wow, Rangoli pattern, Number Theory, LOST NAMES, Placing Rook, Kirito in labyrinth, Subway Lines, Sebi and the highway, Sebi and the black money, Proper Divisors, large fibonacci, Test the Year, Roses for Alexey, Pattern Problem, Matrix Multiplication, Prime Numbers, Remove Duplicates, Advanced Cooking Machine, Fluffy and Scoreboard, Fluffy and Flippy Bird, Fluffy and Typing Password, Fluffy and Tree Distance, Fluffy has a Robot, Tree Height, Maximum Xor Query, Visiting Friends, Virus Attack, Or Matrix, Colorful Triangles, Chef and his Students, Parhi And Multiplication, Coprime 6-tuples, Chef and Subset, Chef and Subarrays, Chef and Queries, Path by a Castle, Timestamps, Sweet Shops of Kolkata, Optimal Partition, Coal Mafia and Toll Tax, Cookie Flavors, Mancunian Candidate Master Forever, Birthday Pizza Party, ATM Queue, ACM ICPC World Finals Accommodation, Voting Fraud, Alice and Bob play Contact, The Saviours, Special Cracker, A Historic Discussion, Influence on Social media, ATM queue, Black Money Island, Netcoin Verification, Hawala Arrests, Mancunian Hoards Black Money, Bob vs ATM, Playing World War II, Extreme Encoding, Zeroes VII, Men and Horses, Divide Me Please, Mr Wireless, Chef and Points, Optimal BST Revisited, Quentin Tarantino, Superheroes and villains, Jumping Frogs III, Employee Voice Surveys, WiFi Expenses, Pacman, Fly height mode, MST Queries, Chef and Circle, Chef and Array (Challenge), Digits Cannot Separate, Reservior, Rabbits and Carrots, Miss Spaghetti and her weird queries, Nothing in Common, Game of Friends, Mindfire & its Employees, Friend-zoned Parhi , Chef and Triangles, Favorite Minion, Pattern, Digit Longest Increasing Subsequences 2, Sum of distances, Captain Virat and His Strategy!, Chef and His Apartment Dues, Most Frequent Element, Path Triples On Tree, Cisco and Magical array, Multiverse Queries, Flash the Saviour, Xenny and Alternating Tasks, Cooking Game, Transpose Matrix, Pishty and birthday, Bear and House Queries, Next Permutation, Bear and Extra Number, Bear and Milky Cookies, Chef and Divisor Tree, Names of Places, Hidden Message, (CH) Bear and Sorted Rows, Bandwidth of a matrix, Bear and Oveflow Points, Count Strings, Box Distribution, Maximum of Three Numbers, Second Max of Three Numbers, Chef and Array, Chef and Ola Cab, Chef and Palindrome, Chef and Array Update, Logan and his XOR debacle, Hogathon, Easy One-Electricity Bill, Rainbow Graph, Increasing Xor Sequence, Golu and Sweetness, Safe Robot, X-24 and his SUBSET code, Sorting Problem, Charles and the BRUTAL subsequences, Long Sandwich , Logan and DIGIT IMMUNE numbers, Bear and Ladder, Pishty and tree, Diameter of Tree, Dish Of Life, Bear and Row 01, Bear and Clique Distances, Similar Dishes, Freshers Party, Legend of Zelda, The Birthday Tears, Max Out, The query problem, The Legend, Friend Decryption, Beautiful Smriti, Rhett and Link, Bear and Xor of Sums, Bear and Candies 123, Captain and his Shield , Factorial Problem, Raman and The Bucket Challenge, Flash vs QuickSilver, Mayank and Line Segments, Flipping the bits, Minimizing the dot product, Bear and Segments, Joey and food, Bear and Segment 01, Gotham PD, Chef and his daily routine, Courses in an university, Blocked websites, Chef and Subsequences, A Good Set, Xenny and Coin Rankings, Triplets, Snake Procession, Protecting The Poison, Chef got Recipes, Temple Land, Same Snake, La Liga, Hussain Set, Binary Tree, Cleaning the Space, Prefix Inversions, Post Tree, Bond And Fond, Hasan and boring classes, Consecutive Snakes, Team Formation For Snackdown, A temple of Snakes, A Game of Balls, Is It a Snake, Prefix XOR, Sticks, Knight Covering, Snakes capturing the Mongoose Cities, Snakes and transition from Capitalism to Socialism, Waiting in a Queue, Snakes and Graph, Four Points, Chef and Pairs, Add or Multiply, Robots in a DAG, Black Nodes in Subgraphs, Minimax, Maximum Unique Segment, Two Numbers, Company and Club Hierarchies, Chang and Bitwise OR, Chang and the Perfect Function, Chang and Perfect Quadruples, Chang and Beautiful Sequences, BiCycles, Tree Expectancy, Chef and his string challenge, Hit the Coconuts, Chef and Isomorphic Array, Whats in the Name, Calculator , IPC Trainers, Two Coins, Suhana and Equation, Walks on the binary tree, Bipartite Graph from Trees, Boss and his Brother, Minimum Good Permutation, Find the Maximum Value, Good Pairs, Travel to all Points, Divide the Set, Jon Snow vs White Walkers, Palindromic Game, Greedy Candidates, Strings and Graphs, Sum of Cubes, Querying on a Grid, Flower Pots, Weasel does Xor on Tree, Weasel finds Staircase, Mathison and the Dynamo shuffle, Prime Vs Composite, Fill The Matrix, Game on Stick, Real obtuse, From heaven to earth, Always Late, Product on the segment by modulo , Mathison and pangrams, Max Mex, Mathison and the teleportation game, Broken Clock, Weird Competition, Queens Landing, Little Chef and Sums, Counter Test For CHEFSUM, Chef Hates Palindromes, Fast Exponentiation, Numbers Game, Infinite OR Game, Subsequence Equality, Mixing Colors, A Balanced Contest, Shreyansh and Arrays, Chef and Dice, S-T Mincut, Chef and Cook-Off Contests, Stack it up, Total Diamonds, Polynomials, The Subarray Problem, (Challenge) Connecting computers, Run Anjali Run, Organization and The Visitors, Ninjas in a cake, Very easy problem, Raja and Peer Pressure, Divide and Multiply, Modular GCD, Chef and Counting Test, Chef and Employment Test, Chef and Weird Queries, Chef goes Left Right Left, Buggy Calculator, Minimum SubArray, Maximum Number, LOGICAL Pattern, Periodic Palindrome Construction, Modulo Equality, Obtain Desired Standard Deviation, Villages and Tribes, A tale of two trees, Days in Month, Strange Function, Killing Monsters, J - Reached Safely Or Not, C - Club of Riders, E - Password Riddle, Organize The Wallet, Prime Factorisation, Matrix Median, K Fibonnaci, B - Get The Gold, F - Huge Number of Trees, Chef and Deforestation, A - Appearance Count, Skiing, Online Chess, Chef and XOR Queries, Random Pair, D - Triangle Count, Smart Strategy, L-R queries, Strange Queries, Vertex Cover, Black and Red vertices of Tree, Chef And his Cake, Lucas Theorem, Chef And Easy Xor Queries, Method Resolution Order, Area of an amazing figure, Obtain Desired Expected Value, Queries on tree again, Four Friends, Penalty Shoot-out, Rotate Point, Chef Counts Semi-BSTs, The Prestige, Spanning Tree, Chess knight move, Codie Bird, Chef and Hamming Distance of arrays, Vaibhav and Ministers, Science Fair, Chef And Land Labeling, Good and Bad Persons, Minimize the string, Chef and Triangles, SAD Queries, Uniform Strings, Killjee and k-th letter , Taxi Making Sharp Turns, Spam Classification Using Neural Net, Generating A Permutation, Optimize The Slow Code, Number Game, Coupon System, Proprietary Probabilistic Problem, Far Graphs, Beautiful Array, A Tale of Three Squares, A Tale of Two Right Angled Triangles, Football Match, Large Sum, Longest Races, Magic Board, Drunk Man in Large City, Nested Candy Boxes, K - Raw Power, Crypto Trading, Coder Life Matters, Maximum Score, Chef Cuts Tree, Rectangle, String Merging, Minimum Maximum Confusion, Minimum Maximum Partition, Hello World, Caesar cipher, Simple Fibonacci, Deducting Budgets, Horse racing, Tom and his game, Barrel and password, Angry Killjee, Chef And Chocolates, Multiple of 3, Smallest To Square, Multiply the Array, Geometric Progression Triplet, Easiest Problem, Chef and Game with Sequence, N Sequence (Keteki), Max Subarray (keteki), Chef And His Characters, Chef and Escaping from the Labyrinth, Survive in ChocoLand, 4 Cycle, Chef and odd queries, N-QUEENS, Campus Drive, Celebrity In Trouble, Save Patient, Mighty Friend, 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Pattern, Packing Books, Minimum Absolute Score, Tasty Decisions, Avoid Squares Please, Maximum Angriness, Mario and the Broken String, Range Assign, Number of Distinct Elements Minimize, Xor Array, Parity, Candies, Binod, Distinct Colors, Water Consumption, Hackerman, Split and Maximize, Spliting Balls, Time Complexity, Water Mixing, String Game, Good Binary Strings, Palindrome by Splitting, Akash and Dinner, Just Like Mob!, Binary Battles, Squats, Monopoly in Chefland, Another Standard Problem, Expensive Steps , Minimum Number of Ones, Counting Problem, Tour of King, AP On Trees, XOR Product, Expense List, Rain in Chefland, Bull or Bear, Make AP, Make Money, Divisible by A_i, Gcd of Subarrays, Good Investment or Not, Reach fast, Maximise XOR, Scalene Triangle, Convert to permutation, Kitchen Timings, Spice Level, Cost of Groceries, Minimum distance between 1s, Strange Bitwise Operation, Pet Store, Prime Reversal, Frequency Array Retrieval, Flip the Prefix, Instagram, Facebook, Snapchat, Asymmetric Swaps, Perfect Trio, Indivisible, Apples and oranges, N Triplets, Good Arrangement, Sum it, Max Graph, Chef Plays Ludo, Multivitamin Tablets, Lucky Numbers, Append for OR, Elevators, Mana Points, Minimize the Maximum, Far from origin, Battery Health, Redistributing Chocolates, Overspeeding Fine, Negative Product, Lcm hates Gcd, Read Pages, Minimal Inversions, Equal Hamming Distance, Prefix Ones, Three Powers of Two, Two Ranges, Saving Taxes, Profit Increment, Bitwise Operations on Circle, Make Array Odd, Zero String, 400M Race, Take Not Less, Bi_lindrome!, Netflix, Tekken, Tom and Jerry Chase, Codechef Airlines, Concat Palindrome, Three Numbers, Valid Expression, Passing Marks, Candy Store, Good Turn, Mountain, One Stone or Two Stones, Add smallest prime factor, Distinct Opposite Sums, Better Deal, Ageing, Permutation Subsequence, Prefix Permutation, Just One More Episode, Single-use Attack, Running Comparison, Equal Elements, Distinct Matrix, Divide Pages, Maximum Capacity, Sunny Day, Find eX, Make A-B Same, Reach Home, Difference Matrix, MIN To MAX, Candy Division, Chef Eren, Construct String, Budget of Technex, Couple Game, Chef and Donation, Elections in Chefland, Max Binary, Trees Are Fun, Chef And Adjacent Sums, Melt Gold, Crazy Bishops on Chessboard, Four Tickets, Buy Ten Packets, Efficient PAN Linking, Return the Change, Inside The Stadium, Tree Xor, IPL Ticket Rush, Can Chef , Least Size, String Game , Prefix Max, Cricket Match, Unstable Subarray, Chef and Battery , CodeChef Learn Problem Solving, Maximise Score, Existence, Monopoly, AB plus C, Positive or Negative Subarrays, Two Averages, Parliament, DDMM or MMDD, Masterchef finals, Online or Offline, Largest and Second Largest, Cheapest Office, Learning SQL, AP Free Sequences, Printing Binary Array, Favourite Numbers, Anti Palindrome, Rectangular Tiling, Limited Shopping, Chef and Polygons, Odd GCD Permutation, Chef Odd, Blobby Volley Scores, Bus Seat Numbering, Parking Charges, The Gift, Gymkhana Election IIIT-A, CodeChef Streak, Possible or Not, The Vowel Matrix, Distance Coloring, Dotify Playlist, Water Filling, Oneful Pairs, Break Free, NASA, Right There, 7 Rings, Problem, Alt-Tab, Boxes, Donation Drive, Donation Rewards, Transfusion Chain, EVacuate to Moon, Messi vs Ronaldo, Swap the numbers, Bells of Pilgrimage, AB Difference, Airport Management, Triplets Min, 2000, Segment Three, Two Piles, Card Swipe, Endless Appetizers, Puzzle Hunt, Exclusion-Inclusion, All New CodeChef, Maximum Deliciousness, I Can Use Both Hands!, GCD Discount, Lucky Seven, Slow Start, Mixing Extraordinaire, Air Quality Index, Trade Surplus, Chocolate Distribution, Concussive Sequence, Warrior Chef, Lockpicking Chef, Off By One, Parity Permutation, Bit Play, Selling Insurance, Chef and Stocks, Cost Distribution, Chef Fantasy 11, Guess the winner!, Smallest Excluded LCM, Chandelier, Unique xor, Sunday Brunch, October Marathon, Dice Number, Construct An Array, Maximise Sum, Pizza Cutting, Double Rent, GCD and LCM, Bone Appetit, Dracula Eats, Dull Operation, Wishcraft, Survival Time, Rivalry, Clear Day, OR Permutation, Cricket World Cup Qualifier, Alter Ego, Marbles, Am I Lucky!, Beautiful Strings, Exams, 404 Not Found, Food Costs, Fair Share Settlement, 3 Logicians Walk into a Bar, Max Nutrition, Make All Equal, Game on Array, Maximum Score , Make N Zero, Thala For A Reason, Subtraction Sequence I, Subtraction Sequence II, Greedy LIS Algorithm, Painting Walls, Christmas Greetings, Make All Zero, A PLUS B Remastered, Decorating Christmas Tree, Codechef Round, Chef Product, Hattrick, Exact Savings, Join States, Is it uniquely decodable, K Odd Sum, Xorred, Count Subarrays, Sub or Swp, Anti Adjacent Swaps, Problem Reviews, Arya In Grid, Swap and Unite, Summer Time, Fake Certificate, Binary Minimal
Contests (0):
None
Learning Paths (0):
None
Practice Paths (62):
Strings:
DNA Storage, N Buttons 1 Bulb, Wordle, Play Piano, Different Consecutive Characters , Malvika is peculiar about color of balloons, World Chess Championship, DDMM or MMDD, Efficient PAN Linking, Chef and Happy String , Studying Alphabet, Blobby Volley Scores, Lapindromes, Chef and Feedback, Chef and the Wildcard Matching, Password
Arrays:
Compress the Video, Find maximum in an Array, Snapchat, Cost of Groceries, The Squid Game, Bomb the base, MIN To MAX, Running Comparison, Red Light, Green Light, Largest and Second Largest, Kitchen Timetable, CodeChef Streak, Candies, Workers, Count of Maximum, Cops and the Thief Devu
Basic Math:
Test Averages, Fitness, 7 Rings, Second Max of Three Numbers, Chef and Chocolates, Make AP, Integers that sum to the same value, Find Remainder, Candy Store, Minimum Number of Ones, Scalene Triangle, Negative Product, Sum of Digits, GCD and LCM, Favourite Numbers, Make A and B equal, Construct N, Alternate Additions, Farmer And His Plot, Two vs Ten, Puppy and Sum, Divisible by 3, Balls and Boxes
Contributions
Problems Authored (0)
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Problems Tested (0)
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Editorials Contributed (0)
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