Jatin Singh

• Username: 4★jatin_singh
• Country:  India
• Student/Professional:Student
• Institution:University of Lübeck, Germany
• CodeChef Pro Plan: No Active Plan. View Details

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Last 6 Months 2026 (Jan-Jun)2025 (Jul-Dec)2025 (Jan-Jun)

Rating Graph

No. of Contests Participated: 37

Current Ratings Graph Old Ratings Graph

1845 (+17)RatingProvisional
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Starters 147 Division 2 (Rated till 5 stars)(2024-08-14 22:00:02)

Global Rank:   508

Cheated in:   

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(2024-08-14 22:00:02)

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1648 (-11)RatingProvisional
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Starters 56 Division 2 (Rated)(2022-12-20 00:00:00)

Global Rank:   1272

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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Contests (37)

November Cook-Off 2021 Division 3

Odds and Evens, Disabled King, Missing Sums

CodeChef Starters 17 Division 3 (Rated)

Chef on Vacation, New Piece

CodeChef Starters 19 Division 3 (Rated)

Chef and Contest, Sleepy Chef, Indivisible Permutation

CodeChef Starters 20 Division 3 (Rated)

Stable Sequence, Genes, Chef and Pal

November Lunchtime 2021 Division 3

Chef and Stock Prices

December Challenge 2021 Division 3 (Rated)

Utkarsh and Placement tests

December Lunchtime 2021 Division 3

Chef and Vacation Transportation , Maximum Trio, Chef Loves 1010

CodeChef Starters 21 Division 3 (Rated)

Devendra and Water Sports, Akash and Grid, Covid and Theatre Tickets

CodeChef Starters 22 Division 3 (Rated)

An Interesting Sequence, Equal Card Game, Elections in Chefland, Equal LIS

Code Drive Division 3 (Rated)

Game between friends, Favourite String of Chef

Exun 2021-22 Division 3 (Rated)

Vishesh and his Popcorn Combo, Sarthak and his Magic Grid

January Cook-Off 2022 Division 3

Palindromes Not Allowed, Mask Policy, Hungry Ashish

CodeChef Starters 23 Division 3 (Rated)

Average of Three, Chef and Profits, Subarray Mex

January Lunchtime 2022 Division 2

Subarray permutations

CodeChef Starters 25 Division 2 (Rated)

Equal MEX, Points and Lines, Building Towers

Starters 35 Division 2 (Rated)

Dark Light

Starters 36 Division 3 (Rated)

Presents for Cheffina, Chef and Bird farm

Starters 38 Division 3 (Rated)

Good Pairs, Dominant Army, Circular Track

July Cook-Off 2022 Division 2 (Rated)

Permutation And Median, Xor Permutation

Starters 41 Division 3 (Rated)

Equal Integers, Determine the Winner, Is this priority or parity!, Path Parity

Starters 46 Division 2 (Rated)

Sort the String

Starters 47 Division 3 (Rated)

Copy and Push Back, Similar Heights, Construct N, End Sorted, Minimum Coins

Starters 48 Division 2 (Rated)

Fill The Grid, Make Palindrome 2, Positive array

Starters 51 Division 2 (Rated)

Copy and Paste, Different Medians, Split N

August Lunchtime 2022 Division 2 (Rated)

Easy Permutation, Array Equality

Starters 53 Division 2 (Rated)

Make A and B equal

Starters 54 Division 2 (Unrated)

Equal Distinct

Starters 55 Division 2 (Rated)

Balls and Boxes, Mean and Median, OR Tuples

Starters 56 Division 2 (Rated)

Maximize Colours

Starters 106 Division 2 (Rated)

Playing with OR, Guess the winner!, Save People

Starters 108 Division 2 (Rated)

Clan Expansion, Palindromic Prime Numbers

Starters 130 Division 2 (Rated)

Make Equal, Alternating Binary String, Good Binary String

Starters 131 Division 2 (Rated)

K-Closeness, Dice Deception, Encrypt Value

Starters 143 Division 2 (Rated)

Binary Conversion, Non-Divisor Array

Starters 144 Division 2 (Rated)

Budget Allotment, Largest K

Starters 145 Division 2 (Rated)

Make Bob Win , Make My Array Equal, Square String

Starters 147 Division 2 (Rated till 5 stars)

Truth Teller And Liars 101, Independence Day 101, Non-Primes 101, Gold Coins 101

Total Problems Solved: 139