Suraj Singh

• Username: 2★suraj_singh89
• Country:  India
• Student/Professional:Student
• Institution:Delhi Technological University New Delhi, 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: 23

Current Ratings Graph Old Ratings Graph

1577 (-36)RatingProvisional
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October Challenge 2015(2015-10-12 15:00:00)

Global Rank:   6347

Cheated in:   

Ratings System Update

(2015-10-12 15:00:00)

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?

1577 (+130)RatingProvisional
Rating i Provisional Rating, click to know more

October Challenge 2015(2022-12-20 00:00:00)

Global Rank:   6347

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 (23)

July Cook-Off 2014

Copy-Paste

October Cook-Off 2014

The Army, Walk on the Axis

December Cook-Off 2014

Good Joke!

August Challenge 2014

The Leaking Robot

September Challenge 2014

Chef and Rainbow Array - 2, Chef and Left-Right, Fun with Rotation

October Challenge 2014

DevuLand, Dinosaurs and Laddus, Magical Girl and Colored Liquid Potions, Chef and Ground

November Challenge 2014

Chef and Segment Game, Distinct Characters Subsequence, Chef and Red Black Tree, Let us construct palindrome

December Challenge 2014

XOR with Subset, Chef and Apple Trees

October Lunchtime 2014

Tanu and Head-bob

January Challenge 2015

Chef and Stones, Gcd Queries, One Dimensional Kingdoms, Chef and A Large Permutation, Sereja and Votes

January Lunchtime 2015

Piece of cake

February Challenge 2015

Chef and Chain, Chef and Strange Formula, Let us play with rank list, Chef and Equality

March Challenge 2015

Chef and Notebooks

April Challenge 2015

Chef and Interview, Chef and Piano Scales, Broken Telephone

May Challenge 2015

Chef and new recipe

June Challenge 2015

Chef and Memory Limit

July Challenge 2015

Bread, Chef and Cube

August Challenge 2015

Gravity Guy, Cooking Machine

Total Problems Solved: 224