K Kishan

• Username: 1★kishank7
• Country:  India
• Student/Professional:Student
• Institution:Amrita School of Engineering Coimbatore Tamil Nadu
• 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: 31

Current Ratings Graph Old Ratings Graph

1383 (-43)RatingProvisional
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Starters 194 (Rated)(2025-07-13 23:00:04)

Global Rank:   1713

Cheated in:   

Ratings System Update

(2025-07-13 23:00:04)

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1474 (+94)RatingProvisional
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June Challenge 2020 Division 2(2022-12-20 00:00:00)

Global Rank:   27106

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

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Learning Paths (0)

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Practice Paths (0)

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Contests (31)

October Challenge 2014

Chef and Ground

November Challenge 2014

Distinct Characters Subsequence, Let us construct palindrome

December Challenge 2014

Chef and Apple Trees

October Lunchtime 2014

Tanu and Head-bob, Cascading Style Sheets

January Challenge 2015

Chef and Stones

January Lunchtime 2015

Piece of cake

February Challenge 2015

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

March Challenge 2015

Sign Wave, Devu and his Class, Chef and Notebooks, Count Substrings

April Challenge 2015

Chef and Interview, Broken Telephone, Chef and Piano Scales

May Challenge 2015

Chef and new recipe

August Challenge 2015

Cooking Machine

September Challenge 2015

Count Steps in Matrix

October Challenge 2015

Count Subarrays

November Challenge 2015

Chef and cakes

February Lunchtime 2015

Lucky Four

February Challenge 2016

Chef and Strange Operations, Chef-Detective

March Challenge 2016

Palindromic substrings, Chef And Special Dishes, maximize the sum

April Challenge 2016

Chef and Ballons, Chef And Coloring

May Challenge 2016

Chef and Balls, Laddu

March Challenge 2017

Xenny and Alternating Tasks, Bear and Extra Number

April Challenge 2017

Similar Dishes

June Challenge 2017

A Good Set, Xenny and Coin Rankings

September Challenge 2017

Sereja and Commands

December Cook-Off 2017

Football Match

January Challenge 2018

Maximum Score, Rectangle

January Challenge 2019 Division 2

Yet Another Problem About Sequences, Different Neighbours, Lucky Number Game, Distinct Pairs, Chef and Modulo Game, Fancy Quotes

May Challenge 2020 Division 2

Coronavirus Spread

June Challenge 2020 Division 2

Chef and Price Control

Starters 193 (Rated)

Count Odd Even Divisors

Starters 194 (Rated)

Chef Bakes Cake 2, Chef Bakes Cake 3

Total Problems Solved: 56