UPENDRA KUMAR

• Username: 3★scorpio_coder
• Country:  India
• Student/Professional:Student
• Institution:Indian Institute of Information Technology, Sri City
• 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: 31

Current Ratings Graph Old Ratings Graph

1601 (+0)RatingProvisional
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July Challenge 2019 Division 2(2019-07-15 15:00:02)

Global Rank:   3723

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?

1601 (+52)RatingProvisional
Rating i Provisional Rating, click to know more

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

Global Rank:   3723

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 (31)

October Cook-Off 2014

Walk on the Axis, The Army

October Challenge 2014

Chef and Ground, Magical Girl and Colored Liquid Potions

November Challenge 2014

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

January Challenge 2015

Chef and Stones

February Challenge 2015

Chef and Chain, 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, Count Sequences

May Challenge 2015

Chef and Prime Divisors, Set Difference , Chef and new recipe

June Challenge 2015

Chef and Memory Limit, Chef and Polygons

July Challenge 2015

Bread, Na2a and lucky stone, Chef and Cube

August Challenge 2015

Gravity Guy, Cooking Machine

September Challenge 2015

Count Steps in Matrix

October Challenge 2015

Spheres, Who dares to be a millionaire, Time measure, Count Subarrays

November Challenge 2015

Eugene and function, Chef and cakes

September Mega Cook-Off 2015

Forgotten Language

November Cook-Off 2015

Sereja and Line, Sereja and Array and Subtracting

July Lunchtime 2015

Greedy puppy

August Lunchtime 2015

Minimum Maximum

November Lunchtime 2015

Query over Matrix, Black And White Cells

February Challenge 2016

Chef-Detective

March Challenge 2016

Palindromic substrings

April Challenge 2016

Chef And Coloring

September Challenge 2016

Chef and calculation, Faded Palindromes, Chef and digits of a number, Dividing Machine, Chef and Friends

October Challenge 2016

Chef and Keyboard, Chef and Three Dogs

November Challenge 2016

Count Permutations, Chef and squares, Task for Alexey

September Cook-Off 2016

Lazy Jem

June Challenge 2017

A Good Set, Chef and the Feast, Xenny and Coin Rankings, Triplets

February Challenge 2019 Division 2

Appy and Contest

May Challenge 2019 Division 2

Reduce to One

July Challenge 2019 Division 2

Minimum and Maximum, Chef and Mean

Total Problems Solved: 90