upendra yadav

• Username: 2★uppu123
• Country:  India
• Student/Professional:Student
• Institution:National Institute of Technology Tiruchirappalli Tamil Nadu, 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: 24

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1518 (-40)RatingProvisional
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December Challenge 2018 Division 2(2018-12-18 01:02:02)

Global Rank:   7977

Cheated in:   

Ratings System Update

(2018-12-18 01:02:02)

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1518 (+130)RatingProvisional
Rating i Provisional Rating, click to know more

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

Global Rank:   7977

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 (24)

February Challenge 2016

Chef-Detective

June Challenge 2016

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

July Challenge 2016

Andrash and Stipendium, Chef and Tetris, Chefland and Electricity

August Challenge 2016

Chef and Chocolate

September Challenge 2016

Chef and digits of a number, Faded Palindromes, Chef and calculation

October Challenge 2016

Chef and Keyboard, Chef and Three Dogs, Fenwick Iterations

May Cook-Off 2016

Phantasialand

June Cook-Off 2016

Sticks, Right Triangle

July Cook-Off 2016

Chef and Proportion, Chef and Numbers

May Lunchtime 2016

Akhil And Colored Balls

January Challenge 2017

Reservior, Capital Movement, Cats and Dogs

February Challenge 2017

Chef and His Apartment Dues

March Challenge 2017

Xenny and Alternating Tasks, Bear and Extra Number, Bandwidth of a matrix

January Cook-Off 2017

Digit Longest Increasing Subsequences 2

January Lunchtime 2017

Nothing in Common

April Challenge 2017

Dish Of Life, Similar Dishes

May Challenge 2017

Courses in an university, Median of adjacent maximum numbers, Chef and his daily routine, Chef and Sub Array

July Challenge 2017

Chef and Sign Sequences, Whats in the Name, Calculator , IPC Trainers

March Lunchtime 2017

Bear and Ladder

June Lunchtime 2017

Two Numbers

January Challenge 2018

Rectangle

March Challenge 2018 DIV 2

A Big Sale, Chef and Glove

December Challenge 2018 Division 2

Chef and Interactive Contests

Total Problems Solved: 122