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Programming and DSA

Learn to think like a programmer. Develop your problem-solving skills with essential data structures and algorithms.

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Programming and DSA

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Programming and DSA

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Practice Compete Compiler
Home » Rupantar Chowdhury
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Rupantar Chowdhury

  • 4★rupantar99
  •   India
  • Student
  • Techno Main Salt Lake Kolkata, West Bengal, India
  • No Active Plan. View Details

Submissions Heat Map

Rating Graph

No. of Contests Participated: 72
1803 (+34)RatingProvisional
Rating i Provisional Rating, click to know more
Starters 128 Division 2 (Rated)(2024-04-03 22:00:02)
Global Rank:   264
Cheated in:   

Ratings System Update

(2024-04-03 22:00:02)
This is the difference due to changing the rating system.This graph is not updated after 20th Dec 2022. Know more
How the rating system works?
1610 (-1)RatingProvisional
Rating i Provisional Rating, click to know more
Starters 67 Division 2 (Rated)(2022-12-20 00:00:00)
Global Rank:   1044
Cheated in:   

Ratings System Update

(2022-12-20 00:00:00)
This is the difference due to changing the rating system.This graph is not updated after 20th Dec 2022. Know more
How the rating system works?

Learning Paths (0)

None

Practice Paths (0)

None

Contests (72)

July Challenge 2021 Division 3 (Rated)

XxOoRr, Optimal Denomination, Maximum Production, Relativity

July Cook-Off 2021 Division 3

Shoe Fit

July Lunchtime 2021 Division 3

Chef and Spells, Beautiful Pairs, Red Alert

CodeChef Starters 6 Division 3 (Rated)

Three Dices, Cricket Ranking

CodeChef Starters 7 Division 3 (Rated)

Ceiling Sum, Chess Format, Food Chain

August Cook-Off 2021 Division 3

Equal Difference, Which Division

August Lunchtime 2021 Division 3

K-th Maximum, Maximum Length Even Subarray, Programming Languages

CodeChef Starters 8 Division 3 (Rated)

Penalty Shots

CodeChef Starters 9 Division 3 (Rated)

Black cells in a chessboard, Large Square, Bus full of passengers

CodeChef Starters 10 Division 3 (Rated)

Hardest Problem Bet, Odd Repeat, Maximise the Subsequence Sum

September Challenge 2021 Division 3 (Rated)

XOR Equal, Shuffling Parities, Airline Restrictions, Travel Pass

September Cook-Off 2021 Division 3

Cars and Bikes, Fake GCD, Adjacency Hatred

SnackDown 2021 - Online Qualifiers

Lucky Number, Maximum Number Of Distinct Elements

CodeChef Starters 11 Division 2 (Rated)

The Grid Fill Problem, Obtain the Sum

CodeChef Starters 12 Division 3 (Rated)

Good Weather, Make it Divisible

CodeChef Starters 13 Division 2 (Rated)

Chef in Vaccination Queue, Maximum Light Up, Magical Doors

October Challenge 2021 Division 3 (Rated)

Longest AND Subarray, Digit Removal, MEX-OR, Three Boxes, Which Mixture

September Lunchtime 2021 Division 3

Two Dishes, Balanced and Unique Arrays, Vaccine Dates , Yet another SOD problem

SnackDown 2021 - Online Round 1A

Round Robin Ranks , Dance Moves, Equal Beauty, Min Max LCM

August Long 2022 Division 3 (Rated)

Sale Season, XOR with smallest element, Hello Equation, Two Trains, Make A and B equal

Starters 52 Division 3 (Rated)

Minimum Sum, WA Test Cases, Air Conditioner Temperature, K-Flip, Gritty Grid, Nil Xor

Starters 55 Division 2 (Rated)

Balls and Boxes, Mean and Median, OR Tuples

Starters 62 Division 2 (Rated)

Sorted Substrings, Make Multiple, Final Sum

Starters 64 Division 2 (Rated)

Luigi and Uniformity, Range Assign, Number of Distinct Elements Minimize

Starters 65 Division 2 (Rated)

Nahaane Jaa, Candies, Binod

Starters 66 Division 2 (Rated)

Good Binary Strings, Palindrome by Splitting, Just Like Mob!

Starters 67 Division 2 (Rated)

Maximum Angriness, Expensive Steps , Counting Problem

Starters 71 Division 3 (Rated)

Pet Store, Snapchat, Perfect Trio, Maximizing LCS

Starters 73 Division 2 (Rated)

Find an integer, Consecutive Xor, Append for OR

Starters 74 Division 2 (Rated)

Lcm hates Gcd, Minimal Inversions, Odd Even Binary String

Starters 75 Division 2 (Rated)

Equal Hamming Distance, Prefix Ones, Three Powers of Two

Starters 76 Division 2 (Rated)

Make Array Odd, Zero String, Construct Array, Not Divisible

February Cook-Off 2023 Division 2 (Rated)

Take Not Less, Alice Potter And Dumbledore Army, Permutation and Modulus, Minimum Beauty

Starters 77 Division 2 (Rated)

Concat Palindrome, K Increment Palindrome, Three Numbers

Starters 78 Division 2 (Rated)

Valid Expression, Solve More Problems!

Starters 79 Division 2 (Rated)

One Stone or Two Stones, Add smallest prime factor, Distinct Opposite Sums

Starters 80 Division 2 (Rated)

Permutation Subsequence, Prefix Permutation, Equal Elements

Starters 81 Division 2 (Unrated)

Divide Pages

Starters 82 Division 2 (Rated)

Make A-B Same, Difference Matrix, MIN To MAX

Starters 84 Division 3 (Rated)

Max count of 1, Elections in Chefland, Max Binary, Chef And Adjacent Sums, Melt Gold

Starters 85 Division 3 (Rated)

Crazy Bishops on Chessboard, Efficient PAN Linking, Inside The Stadium, Can Chef

Starters 86 Division 3 (Rated)

String Game , Cricket Match, Chef and Battery , Maximise Score

Starters 87 Division 3 (Rated)

Return the Change, Existence, AB plus C

Starters 83 Division 3 (Rated)

Chef Eren, Construct String, Order by XOR

Starters 88 Division 2 (Rated)

Unstable Subarray

Starters 89 Division 3 (Rated)

Monopoly, Plus 2 or Minus 1, Positive or Negative Subarrays, DDMM or MMDD

Starters 90 Division 3 (Rated)

Crushed Apples and a Balance Scale, AP Free Sequences, Printing Binary Array, Anti Palindrome

Starters 91 Division 2 (Rated)

Odd GCD Permutation, Chef Odd, Blobby Volley Scores, Maximum Sum Permutation

Starters 92 Division 2 (Rated)

Rectangular Tiling, Distance Coloring, Dotify Playlist

Starters 93 Division 2 (Rated)

Break Free, Problem

Starters 94 Division 2 (Rated)

CodeChef Streak, Possible or Not, The Vowel Matrix

Starters 95 Division 2 (Rated)

Boxes, Transfusion Chain, EVacuate to Moon

Starters 96 Division 2 (Rated)

Mex Array, Remove Multiples

Starters 97 Division 2 (Rated)

Schrodinger Smiley, No Palindrome

Starters 98 Division 2 (Rated)

3-Blast Palindrome, Airport Management, Ball Distribution

Starters 99 Division 2 (Rated)

Segment Three, Card Swipe, Exclusion-Inclusion

Starters 100 Division 2 (Rated)

Prime Permutation, Stamps 100

Starters 101 Division 2 (Rated)

Warrior Chef, Lockpicking Chef

Starters 102 Division 2 (Rated)

Bit Play

Starters 104 Division 2 (Rated)

Maximise Sum, GCD and LCM

Starters 107 Division 2 (Rated)

Maximal Expression, Rock Paper Scissor, OR Permutation

August Long 2023 Division 2 (Unrated)

Codechef Copy, All New CodeChef, Maximum Deliciousness, I Can Use Both Hands!

Starters 114 Division 2 (Rated)

Rock-Paper-Scissors, Christmas Candy

Starters 115 Division 2 (Rated)

Greedy LIS Algorithm, A PLUS B Remastered, Decorating Christmas Tree

Starters 116 Division 2 (Rated)

Chef Product, ORST , Access Control

Starters 117 Division 2 (Rated)

Equality Etiquette, Not Prime Permutation, Spell Shortening

Starters 118 Division 2 (Rated)

Subset GCD, Join States, Xorry 2, Xorry 1

Starters 119 Division 2 (Rated)

Cookie Day, Another Good String , K Odd Sum, Unalike Gcd & Lcm

Starters 120 Division 2 (Rated)

Find Permutation , Count Subarrays, Count Arrays, Sub or Swp

Starters 123 Division 2 (Rated)

Maximise Adjacent Sum, Check Adjacent Sum, Minimum And Maximum I, Yet Another Alice Bob Game, Minimum And Maximum II

Starters 124 Division 2 (Rated)

Binary Parity, Table Strength, Swap and Unite, Make It One

Starters 125 Division 2 (Rated)

Fake Certificate, Binary Minimal

Starters 128 Division 2 (Rated)

Binary Substring, XOR And Multiply, MEXimize the Array, Disjoint Non-Decreasing Array

Total Problems Solved: 324

1803
(Div 2)
★★★★
CodeChef Rating (Highest Rating 1803)
  • Inactive Global Rank
  • Inactive Country Rank

Badges

Contest Contender - Gold Badge

Contest Contender - Gold Badge

Received for participating in 50 Contests

Problem Solver - Silver Badge

Problem Solver - Silver Badge

Received for solving 250 Problems

Daily Streak - Bronze Badge

Daily Streak - Bronze Badge

Received for maintaining a streak of 5 days

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