Umang

• Username: 4★jedyn
• Country:  India
• Student/Professional:Student
• Institution:Dhirubhai Ambani Institute of Information and Communication Technology, Gandhinagar Gujarat, 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: 21

Current Ratings Graph Old Ratings Graph

1849 (-31)RatingProvisional
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IOPC 2017 (Rated)(2017-04-21 19:00:00)

Global Rank:   309

Cheated in:   

Ratings System Update

(2017-04-21 19:00:00)

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?

1849 (+67)RatingProvisional
Rating i Provisional Rating, click to know more

IOPC 2017 (Rated)(2022-12-20 00:00:00)

Global Rank:   309

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 (21)

July Challenge 2016

Chefland and Electricity, Andrash and Stipendium

August Challenge 2016

Chef and Round Run, Chef and Chocolate

September Challenge 2016

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

October Challenge 2016

Chef and Keyboard, Fenwick Iterations, Chef and Three Dogs

November Challenge 2016

Chef and squares, Task for Alexey, Count Permutations

December Challenge 2016

Train Partner

July Cook-Off 2016

Chef and Proportion, Chef and Numbers

September Cook-Off 2016

Lazy Jem, The Lost Arithmetic Sequences

October Cook-Off 2016

Sherlock and the Ugly Flower, Watson asks Does Permutation Exist, ChefWatson uses Social Network

November Cook-Off 2016

Sebi and the highway

July Lunchtime 2016

Drumpf for President!, Lumpy - The Bus Driver

August Lunchtime 2016

Studying Alphabet

September Lunchtime 2016

Chef and Inequality

October Lunchtime 2016

The Largest Bouquet

January Challenge 2017

Capital Movement, Cats and Dogs, Reservior, Tourists in Mancunia

February Challenge 2017

Chef and Triangles, Chef and His Apartment Dues, Most Frequent Element, Gerrymander

March Challenge 2017

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

January Cook-Off 2017

Digit Longest Increasing Subsequences 2

January Lunchtime 2017

Nothing in Common

April Challenge 2017

Chef and Divisor Tree, Stable market, Dish Of Life, Bear and Row 01, Bear and Clique Distances, Similar Dishes

IOPC 2017 (Rated)

Max Out

Total Problems Solved: 74