Contest | Problem |
---|---|
LTIME83 | MEXUM |
COOK119 | BANQUNT |
PRDRAW |
Jubayer Nirjhor
- 7★nirjhor
- Nothing
- Bangladesh
- ধরো গঞ্জিকা, ফোঁকো প্রাণপণে
- Student
- University of Dhaka
- List of teams by Jubayer Nirjhor
- https://discuss.codechef.com/u/nirjhor
- No Active Plan. View Details
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(2024-01-03 22:30:00)Ratings System Update
(2022-12-20 00:00:00)CodeChef Rating Distribution
Submissions
Practice Problems (67):
Practice:
Music & Lyrics, Prime Permutations, Covering Sets, Chef and new recipe, Strange Race, Tree Balancing, Diyas And Candles, Path by a Castle, Nasty Queries, SAD Queries, Uniform Strings, Spam Classification Using Neural Net, Mafia Syndicate, Points, Lines, Triangles and Graphs, 1-2 Game, Subset Sums Revisited, Another Game of Life, Points and Convex Hulls, Random Game, Zawad and Index Sum, Beauty of Pairs, Faulty System, Special Graph Construction, Make It, A Leisurely Journey, Profitable Paths 2, Curious Queries, Checkpoints, Perry learns Binary, Kuroni and the Cowsheds, Pairs of Pairs, Root the Tree, An Inveractive Problem, Ppeerrffeecctt Ssqquuaarreess, Graph Construction, Sweet Rectangles, Max Window, Student Comparisons, Princess Security, Project Overflow, Limited credits, Mazes of Vindhya, Enclosed drones, Two seconds left, Intersection Matrix, Magical Coins, Tokens On A Tree, Maximum Frequent Subarray Sum, Maximal GCD, Prefix as a Substring 2, Slingshot, Pretty Graph, Partition Queries, Chile, OR-XOR, Two Averages, Chef and Polygons, More Inversions, Strange Sort, Positions, Remove Stones, Zero Array, Chef and Prefixes, Chef and Division, Ghoul-icious Goodies, Manhattan Xor, Remove the Peaks
Contests (658):
October Challenge 2015:
Time measure, Count Subarrays, Who dares to be a millionaire, Spheres, Rupsa and Equilateral Triangle
December Challenge 2015:
Chef and the stones, Plane Division, Oracle Devu and Longest Common Subsequence
January Long Challenge 2016:
Rupsa and the Game, Churu and Balls, Chef and Time Machine, Devu and Perfume
April Challenge 2016:
Help Watson Escape, Fibonacci Queries, Chef and Ballons, Devu and good strings, Chef And Magical Path, Chef And Coloring
June Challenge 2016:
Chef And The Hiring Event, Chef and Array and K, Chef And Binary Operation, Chef and Coins Game, Devu and an Array
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:
Sereja and Stones, Chef and Keyboard, Big Queries, Fenwick Iterations, Chef and Three Dogs, Power Sums, Chef and Two String
November Challenge 2016:
Count Permutations, Friends Meeting, Urban Development, Gift and Chef, Chef and squares, Task for Alexey
October Cook-Off 2016:
Sherlock and the Ugly Flower, Watson asks Does Permutation Exist, ChefWatson uses Social Network
Intra AUST Programming Contest Fall 2015:
Swapnil And Shibly Again , Gaint and Sifat, Euler Circuit , Dabur Honey, Social Network, Printer Machine, Guitar Fret Note
LoC Competitive Programming Marathon:
Bipin vs Balajiganapathi , Acronym counter, Pankaj and Icecream, Polynomial Differentiation, Rectangles
February Challenge 2017:
Eugene and big number, Chef and Triangles, Chef and his Best Friend, Chef and His Apartment Dues
April Challenge 2017:
Chef and Digits, Bear and Random Grid, Chef and Divisor Tree, Stable market, Dish Of Life, Bear and Row 01, Bear and Clique Distances, 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, Euler Sum, A Good Set, Cloning, 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
August Long Challenge 2017:
Chef and Rainbow Array, Chef And Fibonacci Array, Chef and Mover, Palindromic Game, Greedy Candidates, Strings and Graphs
September Challenge 2017:
Sereja and Commands, Chef and Pick Digit, Minimum Good Permutation, Weasel does Xor on Tree, Fill The Matrix, Little Chef and Sums
November Challenge 2017:
Chef and Intersection Line, Product on the segment by modulo , Chef Hates Palindromes, Polynomials, Chef and Subarray Queries, Chef goes Left Right Left, Lovers Gift, Periodic Palindrome Construction, Villages and Tribes
April Challenge 2018 Division 1:
Vaibhav and Ministers, Cutting Plants, Highway Crossing, Chef and Same Old Recurrence, Count Good Prefixes
June Challenge 2018 Division 1:
Two Flowers, Vision, Ways to Work, Expected Buildings, Archi and Tree
July Challenge 2018 Division 1:
Pizza Delivery, Tom and Jerry, Reach Equilibrium, No Minimum No Maximum, Gears
October Lunchtime 2018 Division 1:
Robots Again, Coloring the Grid, Weird Question, Niceness of the Arrays
December Lunchtime 2018 Division 1:
Choosing from Buckets, Drawing Lines, Maximize the NOSS, Age Calculator
January Challenge 2019 Division 1:
Yet Another Problem About Sequences, Different Neighbours, Partition the Graph, Distinct Pairs, Party, A Pizza Slice
February Cook-Off 2019 Division 1:
Max Range Queries, Chef and Secret Password, Chef in Evil Land, Chef and Party
March Cook-Off 2019 Division 1:
XOR N-bonacci Sequence, Points and Convex Hulls, Markers and Caps, Music Shopping
April Challenge 2019 Division 1:
Offer for Chef, Kira Loves Palindromes, Mininum XOR over Tree, Playing with Numbers, Subtree Removal
April Cook-Off 2019 Division 1:
Doubly Increasing Path, Random Game, Pied Piper vs Hooli, Mystery Tree
May Cook-Off 2019 Division 1:
Misha and Nice Sets, Bitsetbaba and Power Grid, Expected Xor, Searching for a Biclique
May Lunchtime 2019 Division 1 (Unrated):
Grid Tour, Reverse Maximisation, XOR Magic, Abdullah and Toll Discounts
June Challenge 2019 Division 1:
Lent Money, Count Arrays, Chef and Ingredients, Chef and His Dish, Intersecting Paths, Sum and GCD
June Lunchtime 2019 Division 1:
The Grux Permutation , Gii and His Club, Igzi and Burly Array, Ivan Pesic and His World Tour
October Challenge 2019 Division 1:
Even Edges, Bacterial Reproduction, Chef and Maximum Star Value, Array Modification
November Challenge 2019 Division 1:
Physical Exercise, Smallest Beautiful Number, From Zero to Infinity, Single Point of Failure, Winning Ways
December Challenge 2019 Division 1:
Chefina and Ranges, Binary XOR, Binomial Fever, Scoring Pairs, Sticky Notes, Test Generation, Addition
April Challenge 2020 Division 1:
Strange Number, Squared Subsequences, Perfect Power Divisors, Ready Bitwise, Factor Tree, Leaked Answers (Challenge)
May Challenge 2020 Division 1:
Buying a New String, Triple Sort, Binary Land, Sorting Vases, Not a Real World Problem, Chef and Rainbow Road, Chef and Bitwise Product
March Cook-Off 2020 Division 1 :
Mysterious Sequence, A Tree to Remember, Maximize Letter Beauty, Random Chocolates, Escape the Tree
July Challenge 2020 Division 1:
LCM Constraints, Chefina and Swaps, Easy Geo xD, Chef and Dragon Dens, Missing a Point, Doctor Chef, Weird Product, Expected Repetitions, Expected Spanning Trees
August Challenge 2020 Division 1:
Insanely Hard School Exams, Subsequence Frequency Counting, Precious Stones , Chefina and Strange Tree, Smallest KMP, Chef Thanos Wants Perfect Balance, Chef and Wedding Arrangements
September Challenge 2020 Division 1:
Chefina and Swap, Chef and Trump Cards, Find XOR, Rotate the Polyline, Ada Matrix
July Cook-Off 2020 Division 1:
What Is This, a Crossover Episode, The In-XOR-able Task, Even-tual Reduction, OR-thodox Distinction, Path-etic Products
October Challenge 2020 Division 1:
Inversions, Positive AND, Replace for X, Compress all Subsegments, Adding Squares
November Challenge 2020 Division 1:
Panic! at the Disco, Chef and the Combination Lock, Restore Sequence, Magical Candy Store, Red-Black Boolean Expression, Scalar Product Tree, Unusual Queries
December Challenge 2020 Division 1:
Hail XOR, Square Root of LCA Convolution, Calculus, Permutations, String Operations, Positive Prefixes, Even Pair Sum
December Cook-Off 2020 Division 1 :
Self-Destructing Strings, Sed Passwords, Circle of Chaos, Carry All Fruits
October Cook-Off 2020 Division 1:
Path-etic Sums, An Inveractive Problem, The In-XOR-able Task, Yet Another Crossover Episode
November Cook-Off 2020 Division 1:
Flip the String, Chef and IPC Certificates, Communication Channel, Hiring Workers
October Lunchtime 2020 Division 1:
Chef Likes Good Sequences, Chef Is Just Throwing Random Words, Counting Spaghetti, Cute Chef Gift
CodeJunk:
Zaikia and sticks, The king of snakes, Uttu at war with Gangwar, Venkatesh is bored, Ladki ka chakkar Babu Bhaiya
Coders' Legacy (Rated for all):
Chef vs Doof, Doof on Cartesian, Doof fires Brackets, Jeremy gets a gift
September Cook-Off 2020 Division 1 :
Joined Subarrays on Tree, Maximise Subsequence Value, Minimum Insertions
February Challenge 2021 Division 1:
Team Name, Another Tree with Number Theory, Prime Game, XOR Sums
June Challenge 2021 Division 1 (Unrated):
Minimum Dual Area, Bitwise Tuples, Maximum Frequent Subarray Sum, MathBuzz, Minimum Subtree Cover
August Lunchtime 2021 Division 1:
Bunny Hops, Just a Graph, Longest Spanning Substrings, Chef and Deque
SnackDown 2021 - Online Qualifiers:
Prefix as a Substring 2, Lucky Number, Maximum Number Of Distinct Elements, Minimise Difference
SnackDown 2021 - Online Round 1A:
Yet Another Flipping Problem, Round Robin Ranks , Dance Moves, Equal Beauty, Min Max LCM
SnackDown 2021 - Online Pre-Elimination:
Non-Decreasing Subsequence of size K, Product Pain, Guests like slippers
December Lunchtime 2021 Division 1:
Optimal Sorting, Romantic Reversals, Sleep Technique , Point constraints
February Cook-Off 2022 Division 1:
Xor Becoming Uncanny, Perfect Permutation, PerMEXuation , Mango Market
April Lunchtime 2022 Division 1(Rated):
Do Not Touch the MEX!!!, Secret Machine Mania, AND Palindromes
June Cook-Off 2022 Division 1 (Rated):
Throw and Take, Simple XOR, Prefix Suffix Distinct, Split AND Sum
June Lunchtime 2022 Division 1 (Rated):
The Lost Array, Max Shift After XOR, XOR Times 2 Is Sum, Minimum Xor On Segment, XOR, The Detective
Starters 71 Division 1 (Unrated):
Pet Store, Flip the Prefix, Unique Mode, Instagram, Snapchat, Expected Sum, Perfect Trio, Maximizing LCS
Starters 87 Division 1 (Rated till 6 Stars):
Count the Permutations (always), Inversions of subsequences, AB plus C, One or All
Starters 88 Division 1 (Rated till 6 Stars):
Maximum And Or, Chef and Asteroids, Good Operations, Minimize the Bits, Chef and Good Array, Minimum OR Spanning Tree
Starters 89 Division 1 (Rated till 5 Stars):
Positive or Negative Subarrays, Subarray Removal, Two Averages, Restore Communication, Tree Queries, Evil Infection
Starters 90 Division 1 (Rated till 6 Stars):
Crushed Apples and a Balance Scale, Minimum Ugliness, Sum of Goodness, Printing Binary Array, Anti Palindrome
Starters 91 Division 1 (Rated till 6 Stars):
Cheapest Office, Odd GCD Permutation, Chef Odd, Maximum Sum Permutation
Starters 92 Division 1 (Rated till 6 Stars):
Rectangular Tiling, Dividing into Groups, Beautification of array, Distance Coloring
Starters 95 Division 1 (Rated till 6 Stars):
Guess Game, Chef and Moves of GCD, Partition and Maximize, Boxes, Transfusion Chain, Break This Array
Starters 97 Division 1 (Rated till 6 Stars):
Make It Special, Unreachability Cost, No Palindrome, Triplets Min
Starters 99 Division 1 (Rated till 6 Stars):
Segment Three, Musical Chairs, Two Piles, Yet Another Bitwise Problem, Exclusion-Inclusion
Starters 100 Division 1 (Rated):
Prime Permutation, Stamps 100, Concussive Sequence, Combinatorics Is Fun, Ant
Starters 102 Division 1 (Rated till 6 Stars):
Chess ELO, Parity Permutation, Light The Bulb, Chef Segment, Bit Play
Starters 104 Division 1 (Rated till 6 Stars):
Find Diameter, Combinatorics Is Fun, Longest Non Decreasing Subsequence, Lexicographically Largest , Construct An Array, Maximise Sum
Starters 105 Division 1 (Rated till 6 Stars):
Ghoul-icious Goodies, Racing Dead, Spooky Sequences, Dull Operation, Wishcraft
Starters 106 Division 1 (Rated till 5 Stars):
Playing with OR, Save People, Guess the winner!, Count Possibilities, Smallest Excluded LCM, Reach Anywhere, Summing the values, Is it Obvious
Starters 111 Division 1 (Rated till 6 Stars):
LCM Mania, Prefixing, Prime Range Game, Beautiful Strings, ODI Cricket, Component Count, Square Count
Starters 112 Divison 1 (Rated till 6 Stars):
Cursed Indices, Yet Another Array Game, Subtree Coloring, Permutation Construction
Starters 113 Division 1 (Rated):
Count Distinct Arrays, Counting Is Fun, Maximise The Minimum, Minimise Maximum Subarray Sum, Make All Equal, Score Sum, Maximum Score
Starters 115 Division 1 (Rated):
Delete The Array, Subtraction Sequence I, Subtraction Sequence II, Greedy LIS Algorithm, Binary Grid Forces, Make All Zero
Starters 126 Division 1 (Rated till 6 Stars):
Tree Distance Set, Freedom, Uncommon Cycles, LCD, Triangular Swaps
Learning Paths (0):
None
Practice Paths (13):
Contributions
Problems Authored (3)
Problems Tested (0)
No Contribution
Editorials Contributed (0)
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