Kundan Sen

• Username: 4★krs_j2150
• Country:  India
• Student/Professional:Student
• Institution:Indian Institute of Information Technology, Allahabad Uttar Pradesh
• 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: 18

Current Ratings Graph Old Ratings Graph

1808 (-7)RatingProvisional
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June Challenge 2017(2017-06-12 15:00:00)

Global Rank:   2725

Cheated in:   

Ratings System Update

(2017-06-12 15:00:00)

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1808 (+68)RatingProvisional
Rating i Provisional Rating, click to know more

June Challenge 2017(2022-12-20 00:00:00)

Global Rank:   2725

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 (18)

October Challenge 2015

Count Subarrays, Time measure, Rupsa and Equilateral Triangle, Who dares to be a millionaire, Spheres

February Challenge 2016

Chef and Strange Operations, Devu and a light discussion, Rectangles of Love, Chef-Detective

March Challenge 2016

Palindromic substrings, maximize the sum, Chef And Special Dishes

April Challenge 2016

Chef And Magical Path, Chef And Coloring, Chef and Ballons, Help Watson Escape

June Challenge 2016

Chef And Binary Operation, Chef and Coins Game, Devu and an Array

August Challenge 2016

Chef and Circle Run, Chef and Chocolate, Chef and Round Run

September Challenge 2016

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

October Challenge 2016

Chef and Three Dogs, Chef and Keyboard, Fenwick Iterations

November Challenge 2016

Count Permutations, Chef and squares, Task for Alexey

February Cook-Off 2016

Puppy and Sum

January Lunchtime 2016

Triangle Classification

August Lunchtime 2016

Studying Alphabet

October Lunchtime 2016

The Largest Bouquet

January Challenge 2017

Capital Movement, Cats and Dogs, Reservior

February Challenge 2017

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

March Challenge 2017

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

April Challenge 2017

Dish Of Life, Bear and Row 01, Bear and Clique Distances, Similar Dishes

June Challenge 2017

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

Total Problems Solved: 98