Upendra Nishad

• Username: 2★upenkumar31
• Country:  India
• Student/Professional:Professional
• Organisation:Ribbon Communications
• 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: 24

Current Ratings Graph Old Ratings Graph

1411 (-71)RatingProvisional
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July Challenge 2019 Division 2(2019-07-15 15:00:02)

Global Rank:   10433

Cheated in:   

Ratings System Update

(2019-07-15 15:00:02)

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?

1411 (+150)RatingProvisional
Rating i Provisional Rating, click to know more

July Challenge 2019 Division 2(2022-12-20 00:00:00)

Global Rank:   10433

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 (24)

November Challenge 2016

Chef and squares, Count Permutations, Task for Alexey

December Challenge 2016

Train Partner

January Challenge 2017

Capital Movement, Cats and Dogs, Reservior

February Challenge 2017

Most Frequent Element, Gerrymander, Chef and His Apartment Dues, Chef and Triangles, Eugene and big number

March Challenge 2017

Xenny and Alternating Tasks, Bear and Extra Number, (CH) Bear and Sorted Rows, Bandwidth of a matrix

January Cook-Off 2017

Digit Longest Increasing Subsequences 2

February Cook-Off 2017

Download file

April Challenge 2017

Similar Dishes, Dish Of Life, Bear and Row 01

July Challenge 2017

Whats in the Name, Calculator

August Long Challenge 2017

Chef and Rainbow Array, Chef and Mover, Palindromic Game, Greedy Candidates

September Challenge 2017

Chef and Pick Digit, Minimum Good Permutation, Little Chef and Sums

September Cook-Off 2017

Statistics Construction, Subsequence Equality

August Lunchtime 2017

Mathison and pangrams

January Challenge 2018

K-Concatenation, Maximum Score, Rectangle, String Merging, Partition the numbers

September Challenge 2018 Division 2

Chef and Condition Zero (Challenge)

November Challenge 2018 Division 2

Chef and Difficult Contests, Chef and Happiness

Total Problems Solved: 75