Rajat Mehra

• Username: 3★rajat_m
• Country:  India
• Student/Professional:Student
• Institution:Indian Institute of Technology Mandi Suran, Himachal Pradesh, India
• CodeChef Pro Plan: No Active Plan. View Details

Submissions Heat Map

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

Rating Graph

No. of Contests Participated: 22

Current Ratings Graph Old Ratings Graph

1735 (+34)RatingProvisional
Rating i Provisional Rating, click to know more

December Challenge 2017(2017-12-11 15:00:00)

Global Rank:   824

Cheated in:   

Ratings System Update

(2017-12-11 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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1735 (-41)RatingProvisional
Rating i Provisional Rating, click to know more

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

Global Rank:   824

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 (22)

August Challenge 2015

Cooking Machine, Gravity Guy, Aditi and Magic Trick

September Challenge 2015

Chain of Doughnuts, Count Steps in Matrix, Bank robbery, Lighthouses

September Mega Cook-Off 2015

Forgotten Language

March Challenge 2016

Palindromic substrings, maximize the sum

April Challenge 2016

Help Watson Escape, Chef and Ballons, Chef And Magical Path, Chef And Coloring

July Challenge 2016

Andrash and Stipendium, Chefland and Electricity

August Challenge 2016

Chef and Chocolate, Chef and Round Run

September Challenge 2016

Chef and digits of a number, Faded Palindromes, Chef and calculation

November Challenge 2016

Count Permutations, Chef and squares, Task for Alexey

February Cook-Off 2016

Puppy and Sum

June Cook-Off 2016

Sticks

August Cook-Off 2016

Tweedle-Dee and Tweedle-Dum

June Lunchtime 2016

Collisions, One more weird game

August Lunchtime 2016

Studying Alphabet

January Challenge 2017

Cats and Dogs, Reservior

March Challenge 2017

Xenny and Alternating Tasks, Bear and Extra Number, Bandwidth of a matrix

February Cook-Off 2017

Download file

February Lunchtime 2017

Bear and Milky Cookies

April Challenge 2017

Bear and Row 01, Similar Dishes, Bear and Clique Distances, Dish Of Life

September Challenge 2017

Sereja and Commands, Chef and Pick Digit, Minimum Good Permutation, Little Chef and Sums

December Challenge 2017

Total Diamonds, Chef And his Cake, Penalty Shoot-out, Chef and Hamming Distance of arrays

August Cook-Off 2017

Real obtuse

Total Problems Solved: 82