Swapnil Kumar

Practice: 

Prime Generator, The Next Palindrome, Factorial, Marbles, Bytelandian gold coins, Enormous Input Test, Turbo Sort, ATM, Life, the Universe, and Everything, A Very Easy Problem!, Paying up, Nuclear Reactors, Prime Palindromes, The Lead Game, Yet Another Number Game, Cleaning Up, Cooling Pies, Holes in the text, Snake Snaky, Ciel and A-B Problem, Count of Maximum, Double Strings, Little Elephant and Candies, Closing the Tweets, Buy1-Get1, Magic Rankings, Root of the Problem, Chef and Remissness, Simple Editor, Distinct Characters Subsequence, Chef and Stones, AP-GP, Gcd Queries, Chef and Prime Divisors, Set Difference , Flip Flops, MasterChef, Devu And Churu , The Numbers, Mason !, Make XOR zero, Chefs and Voting for best friend, Maximize Disjoint Pair Sum, Divisibility by 9, Count Steps in Matrix, Chef and Two Strings, Greedy puppy, Puppy and game, Number Of Ways, MinMax Queries, Number game, N Boy and Palingrams, Age of Ultron, Painting Logs, N Boy and Sum, Wolverine and XOR, Stockholm Encryption, Chef and cinema, Sum of palindromic numbers, Distinct Codes, Prashant and Marks, Query over Matrix, Black And White Cells, Chef and Queries, MATHS - find sum, Exponential Sub-Palindromes, Batman and Kryptonite, Phantasialand, Burgers, DNA Storage, Distinct Palindrome, Joining Date, Waiting Time, Vowel Anxiety

DPS Dwarka INOI practice contest 01: 

Chef and powers of 2

February Challenge 2015: 

Chef and Chain, Let us play with rank list, Chef and Equality

March Challenge 2015: 

Chef and Notebooks

April Challenge 2015: 

Chef and Interview, Broken Telephone, Chef and Piano Scales

May Challenge 2015: 

Chef and new recipe

June Challenge 2015: 

Steady tables, Chef and His Friend, Chef and Memory Limit, Chef and Polygons

July Challenge 2015: 

Bread, Na2a and lucky stone, Chef and Cube

August Challenge 2015: 

Way Out, Gravity Guy, Devu And Churu , Cooking Machine, Aditi and Magic Trick

September Challenge 2015: 

Chain of Doughnuts, Nikitosh and xor, Count Steps in Matrix, Bank robbery, Lighthouses, Cracking the Code

October Challenge 2015: 

Time measure, Count Subarrays, Who dares to be a millionaire, Spheres, Rupsa and Equilateral Triangle

November Challenge 2015: 

Eugene and function, Simple Sum, Chef and cakes

December Challenge 2015: 

Chef and the stones, Plane Division, Oracle Devu and Longest Common Subsequence, Chef and Filters

February Cook-Off 2015: 

Fit Squares in Triangle

May Cook-Off 2015: 

Devu and friendship testing

June Cook-Off 2015: 

Strange operations

July Cook-Off 2015: 

Cops and the Thief Devu

August Cook-Off 2015: 

Chef and the XORed Number , Chef and the Wildcard Matching

September Mega Cook-Off 2015: 

Forgotten Language, Super Numbers, Stacks

October Cook-Off 2015: 

Word Stem, Almost Sorted Permutation

December Cook-Off 2015: 

Chef and Subarrays

February Lunchtime 2015: 

Lucky Four

April Lunchtime 2015: 

Tickets

August Lunchtime 2015: 

Churu and lost string, Minimum Maximum

Code Brunch: 

Rising population

Mindsweepers 2015: 

Mr IDC and his Love, Mr IDC and his Message

CSI XIE Contest 2015: 

Count repeated letters

CodeERA: 

Lucky Palindrome

BreakTheCode 2015: 

Cricket Fever, Palindrome Happiness

February Farewell 2015: 

Network Management

KJSCE Coding Challenge 2015: 

Sum and Color, Chefs Strings, Chef and Even Palindromes

Code Marathon 2015: 

CHEF AND AUCTION

Pseudo Code: 

Paradigm Messenger

CodeStorm 15.04: 

PERFECT TIME, DISTRIBUTION OF TOFFEES, TWO FRIENDS AT THE ZOO, Grading at WBUT

DTU Programming Mania: 

Virat and Numbers

Kodeathon 15.2 - Rapid fire: 

Pinocchio and Lampwick - Part 1, Pinocchio and Lampwick - Part 2

January Long Challenge 2016: 

Rupsa and the Game, Churu and Balls, Chef and Time Machine, Devu and Perfume

February Challenge 2016: 

Sereja and Two Lines, Chef and Strange Operations, Devu and a light discussion, Rectangles of Love, Chef-Detective

March Challenge 2016: 

Sereja and Two Strings 2, Chef And Hungry Birds, Palindromic substrings, maximize the sum, Chef And Special Dishes

April Challenge 2016: 

Help Watson Escape, Fibonacci Queries, Chef and Ballons, Devu and good strings, Chef And Magical Path, Chef And Coloring

May Challenge 2016: 

Chef and math, Chef and Balls, Forest Gathering, Chef and Big Soccer, Laddu

June Challenge 2016: 

Chef And The Hiring Event, Chef and Rectangle Array, Chef and Array and K, Chef And Binary Operation, Chef and Coins Game, Chef and cities, Devu and an Array

July Challenge 2016: 

Andrash and Stipendium, Chef and Segments, Chef and Tetris, Chef and Robots Competition, Chefland and Electricity, Scheduling jobs on a cluster

August Challenge 2016: 

Chef and His Garden, Chef and Circle Run, Chef and Chocolate, Chef and Round Run

September Challenge 2016: 

Chef and Friends, Dividing Machine, Chef and Matrix Division, Chef and digits of a number, Faded Palindromes, JosephLand, Chef and calculation

October Challenge 2016: 

Chef and Keyboard, Fenwick Iterations, Chef and Three Dogs, Chef and Two String

November Challenge 2016: 

Count Permutations, Chef and squares, Task for Alexey

December Challenge 2016: 

Train Partner, Kirito in labyrinth, Our Base is Under Attack

January Cook-Off 2016: 

Chef and Fruits

February Cook-Off 2016: 

Puppy and Sum

March Cook-Off 2016: 

Digital clock, Dual Nim, Alternating subarray prefix

April Cook-Off 2016: 

Movie Weekend, Odd Divisors

July Cook-Off 2016: 

Chef and Proportion, Chef and Numbers

September Cook-Off 2016: 

Lazy Jem, The Lost Arithmetic Sequences

January Lunchtime 2016: 

Triangle Classification

February Lunchtime 2016: 

Chef and Socks, Chef and Tic-Tac-Toe

April Lunchtime 2016: 

Coins And Triangle

May Lunchtime 2016: 

Akhil Recovers The Lost Array, Akhil And Colored Balls, Akhil And Random String

June Lunchtime 2016: 

Collisions, One more weird game

July Lunchtime 2016: 

Drumpf for President!

DTU Programming Mania - 2: 

Number game

Counter Strike: 

Terrorist or Counter Terrorist

CodeWars, Aaruush 2015: 

PIZZA!, SECRETS, TREASURE QUEST

CodeRush: 

Shinchan and Magical Water Buckets

NU Coding: 

Only one by one

Code-Adda Practice Contest: 

Non-Fibonacci Number

SIMPLEX: 

GANDHI

CodeWar NIT Durgapur: 

StringGame

QBIT15: 

Deceptive Sudz, A Simple Game

CodeX: 

Make It Large

Koder Kombat: 

Daario Attacks

CodeMasters 1.0: 

Coal Company, They See Me Rollin

Past ZCO Problems: 

Matched Brackets, Round Table, Tournament, Chewing, Video Game, Smart Phone, Variation

ACM-ICPC Asia-Kolkata Online Contest 2015, Replay: 

Processing a string

I-CODE 2016: 

Peter and Graph, Bank Robbery, NASA Visit, Cards Game, Chota Bheem, Share Market

CodeBar: 

Count The Prime, Semusa Cipher, Semusa Modified Cipher

SOPC 2.0: 

Rewriting Ramayana

Intra AUST Programming Contest Fall 2015: 

Swapnil And Shibly Again , Dabur Honey, Social Network, Printer Machine, Guitar Fret Note

Divide by zero: 

Shil Loves Exclusive Or, Shil and Rasenshuriken

CodeVaitam 2.0: 

Chef Queries, The Abominable Bride, COC battle, Simple Search

ICODE 3: 

Birthday Bash

ASN_Epoch 1.0: 

King Studd

ITRIX Online Programming Contest: 

Prime Frequency, The Inversions

Cresense: 

Rain Water trapping, Counting Triplets, Monster String

LoC Competitive Programming Marathon: 

Bipin vs Balajiganapathi , Acronym counter, Pankaj and Icecream, Polynomial Differentiation, Rectangles

CodeWhiz: 

Love Triangle, Prime Power, India vs Pakistan, jadeja and his minimum spanning tree

Codiyapa: 

chalks and box, Game of dots, clues for pappu

ITerate: 

BROKEN HEART, TRICKY BALLS, SHARP SWORD, ANTIDOTE, ALICE INTERVIEW

March LoC Competitive Programming Marathon: 

Fear of Rectangles, Birthday Treat, Mod in an Array, Very Simple Question, Fraction

RECursion Challenge II: 

Decode, Chemistry Assignment, Stack of books

Alkhwarizm 2016: 

Ilya and Sleep disorder

BIT Mesra Overnight Coding: 

Dhoni and Milk

KJSCE Coding Challenge: 

Dipen and His Birthday Party, Siyara and Queries, Probability, Factors and Factorials

SRM Codejam [Qualifiers]: 

Introductory Problem, Help Sumit, Vipul - The Bracket Checker, Simple Multiplication

April LoC Competitive Programming Marathon: 

Very Simple Question Returns, Rolling in the Deep

CodeWORM : 

COUNT, Pay the Debts, BookWorm, Update, Wayout

May LoC Competitive Programming Marathon: 

Cycle Race, Teaching Tree, Hungry Harish

June LoC Competitive Programming Marathon: 

Chef Shifu and Celebration, Exam Copy, Good Numbers, Skyscraper Equilibrium

July LoC Competitive Programming Marathon: 

Sherlock Holmes and Numbers, Arranging teams in a programming competition, Longest Even Subarray, Forever alone

August LoC Competitive Programming Marathon: 

Bob and square field, Moves like a jagger

Codigo-2016: 

Sinchan and Cake, Sultan and Sons

January Challenge 2017: 

Capital Movement, Cats and Dogs

February Challenge 2017: 

Eugene and big number, Chef and Triangles, Chef and His Apartment Dues, Most Frequent Element, Gerrymander

March Challenge 2017: 

Xenny and Alternating Tasks, Bear and Extra Number, (CH) Bear and Sorted Rows, Bandwidth of a matrix

Past INOI Problems: 

Triathlon, Table Sum, Periodic Strings, Free ticket

April Challenge 2017: 

Chef and Divisor Tree, Stable market, Dish Of Life, Bear and Row 01, Similar Dishes

May Challenge 2017: 

Chef and Sub Array , Chef and his daily routine, Courses in an university, Blocked websites, Median of adjacent maximum numbers, Chef and Subsequences

June Challenge 2017: 

Chef and Prime Queries, Saboteur (Challenge), A Good Set, Chef and the Feast, Xenny and Coin Rankings, Triplets, Pairwise union of sets

July Challenge 2017: 

Chef and Sign Sequences, Pishty and tree, Tree Expectancy, Whats in the Name, Calculator , IPC Trainers

September Challenge 2017: 

Sereja and Commands, Chef and Pick Digit, Minimum Good Permutation, Fill The Matrix, Little Chef and Sums

April Cook-Off 2017: 

Bear and Candies 123, Bear and AB

August Cook-Off 2017: 

Real obtuse, From heaven to earth

June Lunchtime 2017: 

Maximum Unique Segment, Two Numbers

December Lunchtime 2017: 

Days in Month, Strange Function

Cresense2k17: 

Bharath Secret Messages, Lendro Check

January Challenge 2018: 

(Challenge) Chef and Palindromes, K-Concatenation, Maximum Score, Rectangle, String Merging, Partition the numbers

February Challenge 2018: 

Chef And His Characters, Chef And The Patents, Car-pal Tunnel, Permutation and Palindrome

February Lunchtime 2018: 

Game with numbers, Jumping in the hills

Hackon Feb: 

Praveen, Lucky string

March Challenge 2018 DIV 1: 

Mix the Colors

July Challenge 2018 Division 2: 

Magic Set, Strike or Spare, No Strings Attached

August Challenge 2018 Division 2: 

Coordinate Compression , Modular GCD, Problem Sort, Sheokand and Number, Spell Bob

December Challenge 2018 Division 2: 

Chef and Meatballs

July Lunchtime 2018 Division 2: 

Split Stones

January Challenge 2019 Division 2: 

Yet Another Problem About Sequences, Different Neighbours, Lucky Number Game, Distinct Pairs, Chef and Modulo Game, Fancy Quotes, A Pizza Slice

July Challenge 2020 Division 2: 

Missing a Point

July Cook-Off 2022 Division 4 (Rated): 

Enough Space, Chef Drinks Tea, High Accuracy

June Long Two 2022 Division 4 (Rated): 

Count the ACs, Make all equal using Pairs, Complementary Strand in a DNA, Fitness, Strong Elements

Starters 46 Division 4 (Rated): 

Prime Xor, Array sorting, Sort the String, Counting Words, MATH1 Enrolment, Army Training

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