Chandan Kumar

• Username: 3★chandu74
• Country:  India
• Student/Professional:Student
• Institution:Haldia Institute of Technology Haldia, West Bengal
• CodeChef Pro Plan: No Active Plan. View Details

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Last 6 Months 2026 (Jan-Jun)2025 (Jul-Dec)2025 (Jan-Jun)

Rating Graph

No. of Contests Participated: 22

Current Ratings Graph Old Ratings Graph

1622 (+42)RatingProvisional
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Starters 109 Division 3 (Rated)(2023-11-22 22:00:04)

Global Rank:   77

Cheated in:   

Ratings System Update

(2023-11-22 22:00:04)

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1506 (+0)RatingProvisional
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Starters 67 Division 3 (Rated)(2022-12-20 00:00:00)

Global Rank:   2736

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)

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Practice Paths (0)

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Contests (22)

September Lunchtime 2022 Division 4 (Rated) (Based on EJOI)

Flip the cards, Equalize AB, Stick Break, Permutation Creation, Sleep deprivation

Starters 57 Division 4 (Rated)

Alice and Marks, Integers that sum to the same value, Maximum Expression, Even Splits, Non-Negative Product, Two Different Palindromes

Starters 58 Division 3 (Rated)

Break the elements, Remove Bad elements, Add to Subsequence

Starters 59 Division 3 (Rated)

Chef and Happy String , Suspense String, Confusing Concatenations

October Long 2022 Division 3 (Rated)

Building Race, Single Operation Part 1, Single Operation Part 2

Starters 60 Division 3 (Rated)

Yet Another Palindrome Problem, Card Removal, Paper Cutting, Palindrome Flipping

Starters 61 Division 3 (Rated)

Minimise LCS, Different Consecutive Characters , Odd Sum Pair

Starters 62 Division 3 (Rated)

Test Score, X Jumps, Final Sum, Make Multiple, Sorted Substrings

Starters 64 Division 3 (Rated)

Mario and the Broken String, Luigi and Uniformity, Range Assign, Number of Distinct Elements Minimize, Distinct Colors

Starters 65 Division 3 (Rated)

Nahaane Jaa, Candies, Hackerman

November Long 2022 Division 3 (Rated)

Split and Maximize, String Game, Spliting Balls

Starters 67 Division 3 (Rated)

Maximum Angriness, Counting Problem, Minimum Number of Ones

Starters 72 Division 3 (Rated)

Indivisible, N Triplets

Starters 74 Division 3 (Rated)

Chef And Babla, Lcm hates Gcd, Odd Even Binary String

Starters 76 Division 3 (Rated)

Redistributing Chocolates, Make Array Odd, Zero String, 400M Race, Not Divisible

Starters 77 Division 3 (Rated)

Spreading Charges, Tekken, Concat Palindrome

Starters 81 Division 3 (Unrated)

Maximum Capacity, Divide Pages

Starters 82 Division 3 (Rated)

Find eX, Reach Home, Difference Matrix, MIN To MAX

Starters 83 Division 3 (Rated)

Chef Eren, Construct String

Starters 98 Division 3 (Rated)

Ball Distribution, Airport Management, FIND A and B

Starters 101 Division 3 (Rated)

Warrior Chef, Work Smarter, Not Harder, Lockpicking Chef

Starters 102 Division 3 (Rated)

Selling Insurance, Chef and Stocks

Starters 109 Division 3 (Rated)

Minimum XOR, Best of N Sets, Worth of a Video, Alter Ego

Total Problems Solved: 82