Rohan

• Username: 5★rohan_coder123
• Country:  India
• Student/Professional:Student
• Institution:Indian Institute of Technology Kharagpur West Bengal, India
• CodeChef Pro Plan: No Active Plan. View Details

Submissions Heat Map

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

Rating Graph

No. of Contests Participated: 17

Current Ratings Graph Old Ratings Graph

2150 (+30)RatingProvisional
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December Lunchtime 2021 Division 1(2021-12-25 23:00:00)

Global Rank:   66

Cheated in:   

Ratings System Update

(2021-12-25 23:00:00)

This is the difference due to changing the rating system.This graph is not updated after 20th Dec 2022. Know more

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2150 (-131)RatingProvisional
Rating i Provisional Rating, click to know more

December Lunchtime 2021 Division 1(2022-12-20 00:00:00)

Global Rank:   66

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 (17)

December Cook-Off 2020 Division 2

Catch the Thief, Self-Destructing Strings, Minimum Attendance Requirement

January Lunchtime 2021 Division 2 (Unrated)

Binary Subsequence, Even Differences, Even Sum

September Cook-Off 2020 Division 2

Bulbs and Wires, Bowling Strategy

September Lunchtime 2020 Division 2

GCD operations, Root the Tree, Watermelon

February Challenge 2021 Division 2

Prime Game

March Cook-Off 2021 Division 2

Consecutive Deletions, Matrix XOR, Guess the Number

February Lunchtime 2021 Division 2

Coprime Range, Average Sorting, Palpal Strings

March Challenge 2021 Division 2

Interesting XOR!, College Life 4, Consecutive Adding, Paparazzi Gennady, Space Arrays, Maximum Topological Sort

March Lunchtime 2021 Division 2

Dinner by Candlelight, Lunchtime, Racing

April Challenge 2021 Division 2

Binary String MEX, Tree Permutations, Worthy Matrix, Chef and Dice, Boolean Game

April Cook-Off 2021 Division 2

Chocolate Monger, Tree Distances, OR of ANDs

May Cook-Off 2021 Division 1

Permutation Swaps, Double Burgers

May Lunchtime 2021 Division 1

Total Components, K-Subarrays

September Cook-Off 2021 Division 1

Chef and Pairwise Distances, Half Sequence, Fake Swaps

CodeChef Starters 12 Division 1 (Unrated)

K - balanced string, Maximum Points, Another Shortest Paths Problem

September Lunchtime 2021 Division 1

Interesting Representation, Subsequence LCS, Alice vs Bob Faceoff

October Lunchtime 2021 Division 1

Median Rearrangement

November Challenge 2021 Division 1 (Unrated)

Maximise the bridges, Xor Equation, Hill Sequence, Weird Palindrome Making, Wildcard Replacement

CodeChef Starters 20 Division 1 (Unrated)

Stable Sequence, Weird Values, Brutal-Xors

December Challenge 2021 Division 1 (Unrated)

Increasing String , Yet Another Tree Problem, Valleys and Hills, Rock Paper Scissors, Pyramid Traversal, Squares Counting

SnackDown 2021 - Elimination Parallel (Rated for Div 1)

Graduate Work Matters, Sorting Segments

December Lunchtime 2021 Division 1

Optimal Sorting, Romantic Reversals, Sleep Technique

Total Problems Solved: 115