Robin Om Nehra

• Username: 5★robin10
• Country:  India
• Student/Professional:Student
• Institution:National Institute of Technology Warangal
• CodeChef Pro Plan: No Active Plan. View Details

Submissions Heat Map

Last 6 Months 2025 (Jul-Dec)2025 (Jan-Jun)2024 (Jul-Dec)2024 (Jan-Jun)

Rating Graph

No. of Contests Participated: 21

Current Ratings Graph Old Ratings Graph

2065 (-5)RatingProvisional
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February Challenge 2015(2015-02-16 15:00:00)

Global Rank:   711

Cheated in:   

Ratings System Update

(2015-02-16 15:00:00)

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2065 (+104)RatingProvisional
Rating i Provisional Rating, click to know more

February Challenge 2015(2022-12-20 00:00:00)

Global Rank:   711

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 (21)

January Challenge 2014

Chef and Feedback, Please like me

July Cook-Off 2014

Sum Queries, Copy-Paste

August Cook-Off 2014

Permutation Shuffle

September Cook-Off 2014, ACM-ICPC Warm up

Sherlock and the Grid, Subarray GCD

October Cook-Off 2014

The Army, Walk on the Axis

February Challenge 2014

Colored Array, Little Elephant and Subarrays, Longest Common Pattern, Make Him Happy

March Challenge 2014

Sereja and Sorting 2, Team Split, Binary Tournament, Walk, Little Chef and Numbers

April Challenge 2014

Shortest Path in Binary Trees, Divide the Tangerine, Chef and Digits, Counting Matrices, Sereja and Permutation, Farmer Feb

May Challenge 2014

Compilers and Parsers, Chef-jumping, Chef and Strange Matrix, Stone

June Challenge 2014

Guessing Game, Forgot Password, Chef and Subarray, Chef and Digit Jumps, Maxim and Progressions

July Challenge 2014

Garden Game, Chef and Frogs, Chef and Rectangle Genome, Count Substrings, Reach The Point, Dish Owner

August Challenge 2014

Chef and Gift, Cleaning Tables, Chef and Reversing, The Leaking Robot

September Challenge 2014

Factorisation, Chef and Rainbow Array - 2, Chef and Left-Right, Chef and sequence, Fun with Rotation, Flooring

October Challenge 2014

Sereja and two strings, DevuLand, Dinosaurs and Laddus, Magical Girl and Colored Liquid Potions, Chef and Square, Chef and Painting, Chef and Ground, Remy paints the fence

November Challenge 2014

Let us construct palindrome, The Spelling Problem, Chef and Red Black Tree, Sereja and Permutations, Chef and Words, Chef and Segment Game, Distinct Characters Subsequence

May Lunchtime 2014

Approximately II

August Lunchtime 2014

Harrenhal

October Lunchtime 2014

Tanu and Head-bob, Cascading Style Sheets

January Challenge 2015

Sereja and LCM, Gcd Queries, One Dimensional Kingdoms, Sereja and Votes, Chef and Stones, Chef and A Large Permutation, Sereja and Number Division 2, Queries on the String

January Cook-Off 2015

Suraj goes shopping, Tojo hates probabilities

February Challenge 2015

Chef and Chain, Chef and Strange Formula, Chef and Strings, Let us play with rank list, Chef and Equality

Total Problems Solved: 198