ABHISHEK SINHA

• Username: 4★a7b2_3
• 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: 25

Current Ratings Graph Old Ratings Graph

1832 (-24)RatingProvisional
Rating i Provisional Rating, click to know more

September Challenge 2015(2015-09-14 15:00:00)

Global Rank:   2021

Cheated in:   

Ratings System Update

(2015-09-14 15:00:00)

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?

1832 (+103)RatingProvisional
Rating i Provisional Rating, click to know more

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

Global Rank:   2021

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 (25)

January Challenge 2014

Chef and Feedback, Please like me

May Cook-Off 2014

Divide the Cake, Ups and Downs

June Cook-Off 2014

Counting Flags

July Cook-Off 2014

Copy-Paste, Sum Queries

September Cook-Off 2014, ACM-ICPC Warm up

Sherlock and the Grid, Subarray GCD

May Challenge 2014

Compilers and Parsers, Chef-jumping, Stone

June Challenge 2014

Forgot Password, Guessing Game, Chef and Subarray

July Challenge 2014

Chef and Frogs, Count Substrings, Reach The Point

August Challenge 2014

The Leaking Robot, Cleaning Tables, Chef and Gift

September Challenge 2014

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

October Challenge 2014

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

November Challenge 2014

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

December Challenge 2014

Chef and Apple Trees, XOR with Subset

May Lunchtime 2014

Approximately II

June Lunchtime 2014

The Smallest Pair

August Lunchtime 2014

Harrenhal

September Lunchtime 2014

Chef and easy problem

October Lunchtime 2014

Tanu and Head-bob

January Challenge 2015

Chef and Stones, Gcd Queries, One Dimensional Kingdoms, Sereja and Votes, Chef and A Large Permutation

March Challenge 2015

Chef and Notebooks

June Challenge 2015

Steady tables, Chef and His Friend, Chef and Memory Limit, Chef and Polygons

July Challenge 2015

Bread, MasterChef, Na2a and lucky stone, Chef and Cube

September Challenge 2015

Chain of Doughnuts, Count Steps in Matrix

February Lunchtime 2015

Lucky Four

Total Problems Solved: 183