Suraj Kumar Mall

• Username: 1★surajmall
• 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: 44

Current Ratings Graph Old Ratings Graph

875 (+53)RatingProvisional
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March Cook-Off 2021 Division 3(2021-03-22 00:00:04)

Global Rank:   995

Cheated in:   

Ratings System Update

(2021-03-22 00:00:04)

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?

875 (-484)RatingProvisional
Rating i Provisional Rating, click to know more

March Cook-Off 2021 Division 3(2022-12-20 00:00:00)

Global Rank:   995

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 (44)

August Challenge 2016

Chef and Chocolate

October Cook-Off 2016

Watson asks Does Permutation Exist

January Challenge 2017

Reservior, Cats and Dogs

February Challenge 2017

Chef and His Apartment Dues

March Challenge 2017

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

January Cook-Off 2017

Digit Longest Increasing Subsequences 2

January Lunchtime 2017

Nothing in Common

May Challenge 2017

Chef and his daily routine, Courses in an university, Median of adjacent maximum numbers

June Challenge 2017

A Good Set, Pairwise union of sets, Triplets, Xenny and Coin Rankings, Chef and the Feast

July Challenge 2017

Chef and Sign Sequences, Tree Expectancy, Whats in the Name, Calculator

August Long Challenge 2017

Chef and Rainbow Array, Greedy Candidates, Chef and Mover, Palindromic Game

November Challenge 2017

Chef Hates Palindromes, Chef goes Left Right Left, Periodic Palindrome Construction, Villages and Tribes

May Cook-Off 2017

La Liga

June Cook-Off 2017

Ada and crayons

July Cook-Off 2017

Chang and the Perfect Function, Chang and Bitwise OR

August Cook-Off 2017

Real obtuse, From heaven to earth

October Cook-Off 2017

Chef and Employment Test

June Lunchtime 2017

Two Numbers

August Lunchtime 2017

Mathison and pangrams

November Lunchtime 2017

Smart Strategy

January Challenge 2018

Partition the numbers, String Merging, Maximum Score, Rectangle, K-Concatenation

January Cook-Off 2018

Survive in ChocoLand

February Challenge 2018

Chef And His Characters, Chef And The Patents, Akanksha and End of Semester, Car-pal Tunnel, Permutation and Palindrome

March Challenge 2018 DIV 2

Minions and Voting, Chef and Glove, Mix the Colors, A Big Sale

April Cook-off 2018 Division 2

Cut the Board

May Cook-off 2018 Division 2

Secret Recipe

July Cook-Off 2018 Division 2

Encoding Message, OR Matrix

May Lunchtime 2018 Division 2

Trace of Matrix, Count Substrings

June Challenge 2018 Division 2

Binary Shuffle, Naive Chef

August Challenge 2018 Division 2

Spell Bob

Quick Code (Rated for Division 2)

Immortal Frieza, Majin Vegeta

February Challenge 2019 Division 2

Chef and Secret Ingredients, Appy and Contest, Deputy Chef

June Challenge 2019 Division 2

Chef and Proxy, Guddu on a Date

September Mega Cook-Off 2019 Division 2

Playing with Matches

September Lunchtime 2019 Division 2

Chef Feeds Cats, Chef and Football Match, All Substrings

October Challenge 2019 Division 2

Operations on a Matrix, Phone Prices, Array Modification

January Challenge 2020 Division 2

Doraemon, Breaking Bricks

April Challenge 2020 Division 2

Strange Number, Unit GCD, Sell All the Cars, COVID Pandemic and Long Queue

March Cook-Off 2021 Division 3

Pawri Meme, Weight Balance, Guess the Number

Total Problems Solved: 135