S Kowsihan

• Username: 3★kowsihan
• Country:  India
• Student/Professional:Student
• Institution:Govind Ballabh Pant Engineering College, New Delhi
• 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: 24

Current Ratings Graph Old Ratings Graph

1742 (+5)RatingProvisional
Rating i Provisional Rating, click to know more

Starters 63 Division 2 (Rated)(2022-11-02 23:00:02)

Global Rank:   562

Cheated in:   

Ratings System Update

(2022-11-02 23:00:02)

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?

1742 (-27)RatingProvisional
Rating i Provisional Rating, click to know more

Starters 63 Division 2 (Rated)(2022-12-20 00:00:00)

Global Rank:   562

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)

None

Practice Paths (0)

None

Contests (24)

May Challenge 2020 Division 2

Isolation Centers, Coronavirus Spread

May Cook-Off 2020 Division 2

Chef, Chefina and Their Friendship, Chef and Recipe

May Lunchtime 2020 Division 2

Weird Walk, Lost Weekends

June Challenge 2020 Division 2

Even Matrix, The Tom and Jerry Game!, Chef and Icecream, Chef and String, Chef and Price Control

July Challenge 2020 Division 2

Chef and Card Game, Chef and Strings, Missing a Point, Ada King

August Challenge 2020 Division 2

Chef Wars - Return of the Jedi, Another Card Game Problem, Chef and Linear Chess, Smallest KMP

June Cook-Off 2020 Division 2

Cache Hits

June Lunchtime 2020 Division 2

Chef and Demonetisation, Increasing Decreasing

December Challenge 2020 Division 2

Positive Prefixes, Vaccine Distribution, Even Pair Sum, Vaccine Production

February Challenge 2021 Division 3

Frog Sort, Chef and Meetings, Maximise Function, Highest Divisor

March Challenge 2021 Division 3

Space Arrays, No Time to Wait, College Life 4, Chef and Groups, Interesting XOR!

April Challenge 2021 Division 2

Worthy Matrix, Chef and Dice

April Cook-Off 2021 Division 2

OR of ANDs, Chocolate Monger

May Challenge 2021 Division 2 (Rated)

Xor Equality, Tic Tac Toe

August Challenge 2021 Division 2 (Unrated)

Chef and Bulb Invention, Problem Difficulties

SnackDown 2021 - Online Qualifiers

Lucky Number

SnackDown 2021 - Online Round 1A

Dance Moves, Equal Beauty, Min Max LCM, Round Robin Ranks

June Cook-Off 2022 Division 2 (Rated)

Simple XOR, Break the Stick

Starters 43 Division 2 (Rated)

Make them Equal, The Optimal Pairs, Distinct Palindrome

June Lunchtime 2022 Division 2 (Rated)

Zero Ones Equal One Zeros, Equal by XORing, XOR Times 2 Is Sum, Max Shift After XOR

Starters 45 Division 2 (Rated)

Even Equal Odd, Xor and Multiply, Retrieve the Array, Adjacent Sum Parity

Starters 46 Division 2 (Rated)

Sort the String, Vowel Anxiety, Prime Xor, Array sorting

Starters 47 Division 2 (Rated)

Copy and Push Back, Similar Heights, End Sorted

July Lunchtime 2022 Division 2 (Rated)

Easy Pronunciation, Yet Another Palindrome Making Problem, Maximum Median Matching, Largest Family

Starters 48 Division 2 (Rated)

Fill The Grid, Positive array, Make Palindrome 2

Starters 50 Division 2 (Rated)

Air Blimp, Permutation GCD, Sum Product Segments, Average Permutation

Starters 63 Division 2 (Rated)

One-XOR Deletions, Make Length 1, Minimum Absolute Score

Total Problems Solved: 145