Siddhant Manna

• Username: 3★sidrainman
• Country:  India
• Student/Professional:Student
• Institution:National Institute of Technology, Srinagar Jammu and Kashmir, 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: 45

Current Ratings Graph Old Ratings Graph

1632 (-37)RatingProvisional
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Starters 72 Division 2 (Rated)(2023-01-04 23:00:02)

Global Rank:   1626

Cheated in:   

Ratings System Update

(2023-01-04 23:00:02)

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1681 (-50)RatingProvisional
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Starters 69 Division 2 (Rated)(2022-12-20 00:00:00)

Global Rank:   1172

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 (45)

June Challenge 2017

A Good Set, Xenny and Coin Rankings

August Lunchtime 2017

Mathison and pangrams

January Challenge 2018

Rectangle

April Challenge 2018 Division 2

Workers

June Challenge 2018 Division 2

Naive Chef

November Challenge 2018 Division 2

Chef and Difficult Contests

December Lunchtime 2018 Division 2

Print Pattern, Choosing from Buckets, Age Calculator

March Challenge 2019 Division 2

Chef and Number Game, Chef and a Beautiful Digit

Coders' Legacy 2019 (Rated for all)

Bathwater, IPL and RCB

April Challenge 2019 Division 2

Maximum Remaining

July Lunchtime 2019 Division 2

Easy Math

August Challenge 2019 Division 2

Guddu and his Mother, Dilemma, Football, Distribute Apples, Zombie and the Caves

August Lunchtime 2019 Division 2

Eidi Gift

September Challenge 2019 Division 2

Chef and Good Subsequences, Easy Fibonacci, Chef Designed a Network, Chef and Interesting Subsequences

September Mega Cook-Off 2019 Division 2

Playing with Matches

October Challenge 2019 Division 2

Even Edges, Missing Number, Chef and Maximum Star Value, Array Modification, Operations on a Matrix, Phone Prices

October Mega Cook-Off 2019 Division 2

Cakewalk, Medel

October Lunchtime 2019 Division 2

Khaled in HIT

D'Code Division 2 (Rated)

Full Barrier Alchemist, The Promised Land

September Challenge 2020 Division 2

A Problem on Sticks, Ada Matrix, Coronavirus Spread 2

October Challenge 2020 Division 2

Chef and Easy Queries

December Challenge 2020 Division 2

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

UWCOI 2021 (Rated for all)

Array Swaps, Hidden Numbers

SnackDown 2021 - Online Qualifiers

Lucky Number

CodeChef Starters 13 Division 3 (Rated)

Chef in Vaccination Queue, Maximum Light Up, The Preparations, Magical Doors

CodeChef Starters 14 Division 2 (Unrated)

Odd GCD, Diagonal movement, FIXFIX

October Challenge 2021 Division 2 (Unrated)

Longest AND Subarray, Digit Removal, MEX-OR

September Lunchtime 2021 Division 2

Balanced and Unique Arrays, Yet another SOD problem

October Lunchtime 2021 Division 2

Exactly N plus 1 Values

CodeChef Starters 17 Division 2 (Rated)

Binary Inversion, GCD of Prefixes, New Piece

CodeChef Starters 21 Division 2 (Rated)

Akash and Grid, And Or Union

CodeChef Starters 34 Division 2 (Rated)

Average Array, Good Permutation

Starters 35 Division 2 (Rated)

Dark Light, Admins and Shopping

Starters 36 Division 2 (Rated)

Buying Sweets, Presents for Cheffina

Starters 37 Division 2 (Rated)

Dazzling Even-Odd Challenge, Beat the Average, Infernos, Maximum OR Minimum, Too Mean

Starters 39 Division 2 (Rated)

Compress the Video, Closest Vowels, Even Subarray XOR

June Lunchtime 2022 Division 2 (Rated)

Zero Ones Equal One Zeros, The Lost Array, XOR Times 2 Is Sum

July Long One 2022 Division 2 (Unrated)

Journey of the Knight, Game of Piles Version 1, Slow Solution

Starters 52 Division 2 (Unrated)

Minimum Sum, WA Test Cases, K-Flip

Starters 54 Division 2 (Unrated)

Equal Distinct

Starters 57 Division 2 (Unrated)

Maximum Expression, Even Splits, Two Different Palindromes

Starters 59 Division 2 (Rated)

Maximum Subarray , Suspense String, Confusing Concatenations

Starters 60 Division 2 (Rated)

Distinct Numbers, Yet Another Palindrome Problem, Palindrome Flipping

Starters 69 Division 2 (Rated)

Akash and Dinner, Distinct Sequence

Starters 71 Division 2 (Rated)

Pet Store, Maximizing LCS

Total Problems Solved: 134