Sonu Kumar

• Username: 3★sonu_kumar12
• Country:  India
• Student/Professional:Student
• Institution:MIT ADT University Loni Kalbhor, Maharashtra, 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: 15

Current Ratings Graph Old Ratings Graph

1690 (-6)RatingProvisional
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January Lunchtime 2022 Division 2(2022-01-29 23:00:02)

Global Rank:   2453

Cheated in:   

Ratings System Update

(2022-01-29 23:00:02)

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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1690 (-44)RatingProvisional
Rating i Provisional Rating, click to know more

January Lunchtime 2022 Division 2(2022-12-20 00:00:00)

Global Rank:   2453

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 (15)

May Lunchtime 2021 Division 3

Hoop Jump

May Challenge 2021 Division 3 (Rated)

An Interesting Sequence, Solubility, Golf, Tic Tac Toe, Xor Equality, Modular Equation

June Challenge 2021 Division 3 (Rated)

Shortest Route, Bitwise Tuples, Bella ciao, Summer Heat

June Cook-Off 2021 Division 3

XOR Folding, ICPC Balloons, Chefland Visa, The Wave

June Lunchtime 2021 Division 3

Richie Rich

July Challenge 2021 Division 3 (Rated)

XxOoRr, Chef vs Bharat, Optimal Denomination, Maximum Production, Relativity

July Cook-Off 2021 Division 3

Shoe Fit

July Lunchtime 2021 Division 3

Chef and Spells, Beautiful Pairs, Red Alert, Array Rotation Returns

CodeChef Starters 7 Division 3 (Rated)

Food Chain, Chess Format

August Challenge 2021 Division 2 (Unrated)

Special Triplets, Array Filling, Chef and Bulb Invention, Problem Difficulties, Olympics Ranking

August Lunchtime 2021 Division 2

K-th Maximum, Crossing Blocks, Just a Graph

September Cook-Off 2021 Division 2

Chef and Pairwise Distances, Zebra Crossing, Fake Swaps, Adjacency Hatred

CodeChef Starters 11 Division 2 (Rated)

The Grid Fill Problem, Obtain the Sum

September Lunchtime 2021 Division 2

Interesting Representation, Balanced and Unique Arrays, Alice vs Bob Faceoff, Yet another SOD problem

CodeChef Starters 22 Division 2 (Rated)

An Interesting Sequence, Even Subset Xor, Equal LIS

January Lunchtime 2022 Division 2

Subarray permutations, Prefix Zeros

July Long One 2022 Division 2 (Unrated)

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

Total Problems Solved: 69