Sumit Sinha

• Username: 3★sum1ts1nha
• Country:  India
• Student/Professional:Student
• Institution:National Institute of Technology, Jamshedpur Jharkhand, India
• CodeChef Pro Plan: No Active Plan. View Details

Submissions Heat Map

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

Rating Graph

No. of Contests Participated: 37

Current Ratings Graph Old Ratings Graph

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March Challenge 2021 Division 3(2021-03-15 15:00:04)

Global Rank:   24544

Cheated in:   

Ratings System Update

(2021-03-15 15:00:04)

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1682 (+395)RatingProvisional
Rating i Provisional Rating, click to know more

March Challenge 2021 Division 3(2022-12-20 00:00:00)

Global Rank:   24544

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 (37)

October Challenge 2013

Maxim and Dividers

November Lunchtime 2013

Lucy and the Number Game

December Challenge 2013

Magic Pairs

April Cook-Off 2014

Snape and Ladder

May Cook-Off 2014

Ups and Downs, Divide the Cake

July Cook-Off 2014

Copy-Paste

August Cook-Off 2014

Permutation Shuffle

November Cook-Off 2014

Brackets, Petersen Graph

December Cook-Off 2014

Good Joke!

February Challenge 2014

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

March Challenge 2014

Sereja and Sorting 2, Team Split, Walk, Little Chef and Numbers, Mike and Stamps

April Challenge 2014

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

May Challenge 2014

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

June Challenge 2014

Chef and Subarray, Guessing Game

July Challenge 2014

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

August Challenge 2014

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

September Challenge 2014

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

October Challenge 2014

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

November Challenge 2014

Chef and Segment Game, Distinct Characters Subsequence, Chef and Red Black Tree, Let us construct palindrome

December Challenge 2014

Alok-nath and His Sanskars, Chef and Apple Trees, XOR with Subset

June Lunchtime 2014

The Smallest Pair

July Lunchtime 2014

And Operation

October Lunchtime 2014

Tanu and Head-bob, Physics Class

November Lunchtime 2014

A wolf, a sheep and cabbage

December Lunchtime 2014

Delivery Man

January Challenge 2015

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

January Cook-Off 2015

Suraj goes shopping, Tojo hates probabilities

January Lunchtime 2015

Piece of cake

February Challenge 2015

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

June Challenge 2015

Chef and Memory Limit, Chef and Polygons

July Challenge 2015

Chef and Cube

May Cook-Off 2015

Devu and friendship testing, Devu and decorating birthday cake

June Lunchtime 2015

Chef and Submatrix, Chef and Two Strings

August Lunchtime 2015

Minimum Maximum

Total Problems Solved: 113