Vaibhav Mathur

• Username: 2★vaibhav117
• Country:  India
• Student/Professional:Student
• Institution:Netaji Subhas University of Technology Dwarka, 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: 20

Current Ratings Graph Old Ratings Graph

1571 (-29)RatingProvisional
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June Challenge 2018 Division 2(2018-06-11 15:00:05)

Global Rank:   3170

Cheated in:   

Ratings System Update

(2018-06-11 15:00:05)

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1571 (+45)RatingProvisional
Rating i Provisional Rating, click to know more

June Challenge 2018 Division 2(2022-12-20 00:00:00)

Global Rank:   3170

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 (20)

October Challenge 2014

Magical Girl and Colored Liquid Potions, Chef and Ground

November Challenge 2014

Distinct Characters Subsequence

January Challenge 2015

Chef and Stones

February Challenge 2015

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

April Challenge 2015

Chef and Interview, Broken Telephone, Chef and Piano Scales

June Challenge 2015

Chef and Memory Limit

July Challenge 2015

Na2a and lucky stone, Chef and Cube, Bread

August Challenge 2015

Gravity Guy, Cooking Machine, Aditi and Magic Trick

September Challenge 2015

Chain of Doughnuts, Count Steps in Matrix, Bank robbery, Lighthouses

October Challenge 2015

Spheres, Count Subarrays, Who dares to be a millionaire

December Challenge 2015

Chef and the stones, Plane Division, Oracle Devu and Longest Common Subsequence, Chef and Filters

October Cook-Off 2015

Almost Sorted Permutation

August Lunchtime 2015

Churu and lost string, Minimum Maximum

March Challenge 2016

Palindromic substrings, maximize the sum

April Challenge 2016

Chef And Magical Path, Chef And Coloring, Chef and Ballons

June Challenge 2016

Chef And The Hiring Event, Chef and Rectangle Array, Chef and Array and K, Chef And Binary Operation, Chef and Coins Game, Devu and an Array

May Challenge 2018 Division 2

Mighty Friend, Minimum Deletions, Xor Again, Dibs on Fibs

June Challenge 2018 Division 2

Naive Chef

Total Problems Solved: 67