sachin kumar

• Username: 4★sach129606
• Country:  India
• Student/Professional:Student
• Institution:National Institute of Technology Tiruchirappalli Tamil Nadu, India
• 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: 35

Current Ratings Graph Old Ratings Graph

1875 (-6)RatingProvisional
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November Cook-Off 2015(2015-11-23 00:00:00)

Global Rank:   315

Cheated in:   

Ratings System Update

(2015-11-23 00:00:00)

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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1875 (+34)RatingProvisional
Rating i Provisional Rating, click to know more

November Cook-Off 2015(2022-12-20 00:00:00)

Global Rank:   315

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 (35)

February 2013 Challenge

Climbing Stairs, Buy1-Get1

April Challenge 2013

Barcelona Gameplay Tactics, Maximum Weight Difference, Levy Conjecture

August Challenge 2013

Little Elephant and Lemonade, Splitting Candies

August Cook-Off 2013

Chef and The Right Triangles

September Challenge 2013

CAO Stage-1, CAO Stage-2, Chef and Integers , Cool Guys, Little Elephant and Exams

September Cook-Off 2013

Code

October Cook-Off 2013

Polo the Penguin and the Test

October Challenge 2013

Little Elephant and Bamboo, Helping Lira, Maxim and Dividers, Sereja and Transformation, Yet Another Nice Girl

November Challenge 2013

Missing some chairs, Square Digit Squares, Uncle Johny, Superpowers of 2

November Lunchtime 2013

Lucy and the Number Game

December Challenge 2013

Chef and Codes, Funny Marbles, Magic Pairs, Reign

January Challenge 2014

Sereja and Graph, Bon Appetit, Please like me, Chef and Feedback

March Cook-Off 2014

Dividing Stamps

July Cook-Off 2014

Copy-Paste, Sum Queries

September Cook-Off 2014, ACM-ICPC Warm up

Sherlock and the Grid, Subarray GCD

November Cook-Off 2014

Brackets

February Challenge 2014

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

March Challenge 2014

Little Chef and Numbers, Mike and Stamps, Team Split, Binary Tournament, Walk

May Challenge 2014

Compilers and Parsers, Chef-jumping, Chef and Strange Matrix, Stone, Little Elephant and Balloons

June Challenge 2014

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

October Challenge 2014

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

January Challenge 2015

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

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

October Challenge 2015

Time measure, Who dares to be a millionaire, Spheres, Rupsa and Equilateral Triangle

March Cook-Off 2015

How to Minimize a String, How to Repaint a Fence

August Cook-Off 2015

Chef and the XORed Number , Chef and the Wildcard Matching

September Mega Cook-Off 2015

Forgotten Language, Stacks

October Cook-Off 2015

Word Stem, Almost Sorted Permutation

November Cook-Off 2015

Sereja and Line, Sereja and Array and Subtracting

Total Problems Solved: 149