sailesh kumar upadhyaya

• Username: 4★sr421
• Country:  India
• Student/Professional:Professional
• Organisation:Adobe Systems
• 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

1932 (+1)RatingProvisional
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October Lunchtime 2017(2017-10-28 22:30:00)

Global Rank:   417

Cheated in:   

Ratings System Update

(2017-10-28 22:30:00)

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1932 (+49)RatingProvisional
Rating i Provisional Rating, click to know more

October Lunchtime 2017(2022-12-20 00:00:00)

Global Rank:   417

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)

September Cook-Off 2014, ACM-ICPC Warm up

Subarray GCD, Sherlock and the Grid

March Challenge 2014

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

April Challenge 2014

Farmer Feb, Chef and Digits, Shortest Path in Binary Trees

May Challenge 2014

Compilers and Parsers, Chef-jumping, Stone

July Challenge 2014

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

August Challenge 2014

The Leaking Robot, Cleaning Tables, Chef and Gift

September Challenge 2014

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

October Challenge 2014

Chef and Ground, DevuLand, Dinosaurs and Laddus, Magical Girl and Colored Liquid Potions, Chef and Square, Sereja and two strings, 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, The Spelling Problem

September Lunchtime 2014

Chef and easy problem

January Challenge 2015

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

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

October Cook-Off 2017

Chef and Counting Test, Chef and Employment Test, Chef and Weird Queries

October Lunchtime 2017

Buggy Calculator

Total Problems Solved: 76