uday kumar

• Username:2★udaykumar123
• Country:  India
• Student/Professional:Student
• Institution:Indian Institute of Information Technology, Allahabad Uttar Pradesh
• CodeChef Pro Plan: No Active Plan. View Details

Activity Heat Map

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

Rating Graph

No. of Contests Participated: 14

Current Ratings Graph Old Ratings Graph

1460 (+26)RatingProvisional
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December Lunchtime 2019 Division 2(2019-12-28 22:30:02)

Global Rank:   1178

Cheated in:   

Ratings System Update

(2019-12-28 22:30:02)

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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1460 (-133)RatingProvisional
Rating i Provisional Rating, click to know more

December Lunchtime 2019 Division 2(2022-12-20 00:00:00)

Global Rank:   1178

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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Contests (14)

July Challenge 2015

Chef and Cube

October Challenge 2015

Count Subarrays, Who dares to be a millionaire

August Cook-Off 2015

Chef and the Wildcard Matching

June Lunchtime 2015

Chef and Two Strings

August Lunchtime 2015

Minimum Maximum

September Lunchtime 2015

Sum of palindromic numbers

June Challenge 2016

Devu and an Array

February Challenge 2017

Chef and His Apartment Dues

April Challenge 2017

Similar Dishes

June Lunchtime 2017

Two Numbers

December Lunchtime 2019 Division 2

Stupid Machine, Check Algorithm

Total Problems Solved: 20