Ritwik

• Username: 3★kalki_2527
• Country:  India
• Student/Professional:Student
• Institution:Motilal Nehru National Institute of Technology Allahabad Uttar Pradesh, India
• CodeChef Pro Plan: No Active Plan. View Details

Submissions Heat Map

Last 6 Months 2025 (Jan-Jun)2024 (Jul-Dec)2024 (Jan-Jun)

Rating Graph

No. of Contests Participated: 13

Current Ratings Graph Old Ratings Graph

1763 (-64)RatingProvisional
Rating i Provisional Rating, click to know more

April Cook-Off 2021 Division 1(2021-04-19 00:30:00)

Global Rank:   165

Cheated in:   

Ratings System Update

(2021-04-19 00:30:00)

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?

1763 (-211)RatingProvisional
Rating i Provisional Rating, click to know more

April Cook-Off 2021 Division 1(2022-12-20 00:00:00)

Global Rank:   165

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 (13)

May Challenge 2020 Division 2

Isolation Centers, Coronavirus Spread

May Lunchtime 2020 Division 2

Lost Weekends, Weird Walk

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

Ada King, Chefina and Swaps, Missing a Point, Doctor Chef, Chef and Card Game, Chef and Strings

August Challenge 2020 Division 2

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

September Challenge 2020 Division 2

Chefina and Swap, A Problem on Sticks, Chef and Trump Cards, Find XOR, Ada Matrix, Coronavirus Spread 2

August Cook-Off 2020 Division 2

Chef and Work

June Cook-Off 2020 Division 2

Cache Hits

June Lunchtime 2020 Division 2

Chef and Demonetisation

January Challenge 2021 Division 2

Chef and Ants, Guess the Tiling, Expected Number of SCCs, Watching CPL, Fair Elections

December Challenge 2020 Division 2

Hail XOR, String Operations, Positive Prefixes, Even Pair Sum, Vaccine Production, Vaccine Distribution

April Challenge 2021 Division 1

Tree Permutations, Boolean Game, Chef and Dice, Destroy the EMP Chip, Worthy Matrix, Binary String MEX

April Cook-Off 2021 Division 1

OR of ANDs

June Challenge 2021 Division 2 (Unrated)

Shortest Route, Bitwise Tuples, Bella ciao, Summer Heat, Minimum Subtree Cover

SnackDown 2021 - Online Qualifiers

Lucky Number

October Challenge 2021 Division 2 (Unrated)

Longest AND Subarray, MEX-OR

Total Problems Solved: 77