Umang Singh

• Username: 3★umang_26
• Country:  India
• Student/Professional:Student
• Institution:University of Mumbai
• CodeChef Pro Plan: No Active Plan. View Details

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

Rating Graph

No. of Contests Participated: 25

Current Ratings Graph Old Ratings Graph

1704 (+29)RatingProvisional
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Starters 77 Division 2 (Rated)(2023-02-15 23:00:02)

Global Rank:   448

Cheated in:   

Ratings System Update

(2023-02-15 23:00:02)

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1639 (-60)RatingProvisional
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Starters 56 Division 2 (Rated)(2022-12-20 00:00:00)

Global Rank:   376

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

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Learning Paths (0)

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Contests (25)

November Challenge 2020 Division 2

Ada and Dishes, Restore Sequence

December Challenge 2020 Division 2

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

November Cook-Off 2020 Division 2

Chef and IPC Certificates

January Challenge 2021 Division 3

Watching CPL, Fair Elections, Chef and Division 3, Point Of Impact, Encoded String

May Challenge 2021 Division 3 (Rated)

Xor Equality, Tic Tac Toe, Golf, Solubility

SnackDown 2021 - Online Qualifiers

Lucky Number, Maximum Number Of Distinct Elements

SnackDown 2021 - Online Round 1A

Min Max LCM, Round Robin Ranks , Dance Moves

February Long 2022 - I, Division 2 (Unrated)

Binary Base Basics, N Queens Puzzle Solved !

February Cook-Off 2022 Division 2

Perfect Permutation, PerMEXuation , Prefix Permutation

February Lunchtime 2022 Division 2

Magnet Sort, Parallel Processing, Four Equidistant Points on a Grid

CodeChef Starters 29 Division 2 (Rated)

String protocol, Plusle and Minun on Array, Decomposition Reaction

CodeChef Starters 32 Division 2 (Rated)

Maximize the Minimum, Finding Shoes, Flip Sorting

April Cook-Off 2022 Division 2

Sticks and Rectangles

CodeChef Starters 33 Division 2 (Rated)

Make Them Equal, Non Adjacent Flips, Distinct Dilemma, Broken Life

CodeChef Starters 34 Division 2 (Rated)

Good Permutation, Average Array

April Lunchtime 2022 Division 2(Rated)

Buckets Full of Candies, Pair Pain

Starters 35 Division 2 (Rated)

Dark Light, Admins and Shopping

Starters 36 Division 2 (Rated)

Presents for Cheffina

Starters 37 Division 3 (Rated)

Laptop Recommendation , Maximum OR Minimum, Infernos, Beat the Average, Dazzling Even-Odd Challenge

Starters 38 Division 2 (Rated)

Good Pairs, Circular Track

May Lunchtime 2022 Division 2 (Rated)

Bucket and Water Flow , Maximum Pairwise Modular Sum

Starters 39 Division 2 (Rated)

Even Subarray XOR, Minimize Blocked Roads, Compress the Video

May Long Two 2022 Division 2 (Unrated)

Xor Palindrome, Make them Zero

Starters 41 Division 2 (Rated)

Equal Integers, Is this priority or parity!, Path Parity

Starters 42 Division 2 (Rated)

Minimum or Maximum, Divisible by 3

Starters 54 Division 2 (Unrated)

Equal Distinct

Starters 56 Division 2 (Rated)

K-Subarrays, Maximize Colours, Binary Substitution

February Cook-Off 2023 Division 2 (Rated)

Take Not Less, Alice Potter And Dumbledore Army, Permutation and Modulus, Minimum Beauty

Starters 77 Division 2 (Rated)

Concat Palindrome, K Increment Palindrome, Three Numbers

Total Problems Solved: 135