Himanshu Singh

• Username: 2★ziddi15
• Country:  India
• Student/Professional:Student
• Institution:JC Bose University Of Science And Technology,YMCA Faridabad, Haryana, 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: 25

Current Ratings Graph Old Ratings Graph

1585 (+15)RatingProvisional
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CodeChef Starters 25 Division 2 (Rated)(2022-02-09 23:00:02)

Global Rank:   2346

Cheated in:   

Ratings System Update

(2022-02-09 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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1585 (-135)RatingProvisional
Rating i Provisional Rating, click to know more

CodeChef Starters 25 Division 2 (Rated)(2022-12-20 00:00:00)

Global Rank:   2346

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 (25)

July Challenge 2019 Division 2

Minimum and Maximum

August Cook-Off 2019 Division 2

Chef Drinks Coke

September Challenge 2019 Division 2

Chef and Interesting Subsequences

October Challenge 2019 Division 2

Operations on a Matrix, Phone Prices

November Challenge 2019 Division 2

Hard Sequence, Weapon Value

November Lunchtime 2019 Division 2

Planting Trees

December Challenge 2019 Division 2

That Is My Score!, Addition, Easy Subsequence Selection, Plus Multiply

January Challenge 2020 Division 2

Chef and Dynamo, Doraemon, Equality, Breaking Bricks

February Challenge 2020 Division 2

No Change Required, Long Contest and Cook Off Overlaps, Hard Cash, School of Geometry, The Theatre Problem

May Challenge 2020 Division 2

Coronavirus Spread, Isolation Centers

January Cook-Off 2020 Division 2

Chef Chick

February Lunchtime 2020 Division 2

At the Gates

June Challenge 2020 Division 2

Even Matrix, Chef and Icecream, Chef and String, Chef and Price Control

August Challenge 2020 Division 2

Chef and Linear Chess, Another Card Game Problem, Chef Wars - Return of the Jedi

January Challenge 2021 Division 2

Watching CPL, Fair Elections

December Challenge 2020 Division 2

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

February Challenge 2021 Division 2

Frog Sort, Team Name, Prime Game, Maximise Function

February Lunchtime 2021 Division 2

Palpal Strings, Coprime Range

May Challenge 2021 Division 2 (Rated)

Xor Equality, Tic Tac Toe

October Challenge 2021 Division 2 (Unrated)

Longest AND Subarray, MEX-OR

CodeChef Starters 21 Division 2 (Rated)

Akash and Grid, And Or Union

CodeChef Starters 24 Division 2 (Rated)

Avoid Contact, Yet Another Constructive Problem

February Long 2022 - I, Division 3 (Rated)

Binary Base Basics, Bitwise Blend, N Queens Puzzle Solved !, Chef and the Hair Salon

CodeChef Starters 25 Division 2 (Rated)

Building Towers, Equal MEX, Points and Lines

Total Problems Solved: 76