coldplay

• Username: 1★heartbreaker
• 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 2026 (Jan-Jun)2025 (Jul-Dec)2025 (Jan-Jun)

Rating Graph

No. of Contests Participated: 28

Current Ratings Graph Old Ratings Graph

117 (+64)RatingProvisional
Rating i Provisional Rating, click to know more

July Challenge 2017(2017-07-17 15:00:00)

Global Rank:   3853

Cheated in:   

Ratings System Update

(2017-07-17 15:00:00)

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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117 (-1398)RatingProvisional
Rating i Provisional Rating, click to know more

July Challenge 2017(2022-12-20 00:00:00)

Global Rank:   3853

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 (28)

November Cook-Off 2014

Petersen Graph

December Cook-Off 2014

Matrix Again, Player

October Challenge 2014

Remy paints the fence, Chef and Painting, Chef and Square, DevuLand, Dinosaurs and Laddus

November Challenge 2014

Sereja and Permutations

December Challenge 2014

Kali and Devtas, XOR with Subset

October Lunchtime 2014

And Tuples, Cascading Style Sheets

January Challenge 2015

Queries on the String, Sereja and LCM, Chef and A Large Permutation

February Challenge 2015

Chef and Chain, Time to Study Graphs with Chef, Chef and Complex String Coverage, Chef and Strings, Let us play with rank list

March Challenge 2015

Devu and his Class

April Challenge 2015

Division of Lands

May Challenge 2015

Devu and binary String

June Challenge 2015

Steady tables, Chef and His Friend, Chef and String

July Challenge 2015

MasterChef, Rohith and Circles

September Challenge 2015

Count Steps in Matrix

November Challenge 2015

Eugene and function, Chef and cakes

December Challenge 2015

Chef and the stones, Chef and cinema

June Cook-Off 2015

Longest non regular parentheses sub-sequence, Strange operations

June Lunchtime 2015

Chef and Bitwise OR Operation

July Lunchtime 2015

Puppy and game

March Challenge 2016

Chef And Special Dishes

February Cook-Off 2016

Puppy and Board

May Cook-Off 2016

Phantasialand

July Challenge 2017

Chef and Sign Sequences, Whats in the Name

Total Problems Solved: 49