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• Username: 2★error_503_404
• Country:  United States
• Student/Professional:Student
• Institution:University of South Dakota United States
• CodeChef Pro Plan: No Active Plan. View Details

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Last 6 Months 2026 (Jan-Jun)2025 (Jul-Dec)2025 (Jan-Jun)

Rating Graph

No. of Contests Participated: 20

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1581 (-79)RatingProvisional
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May Challenge 2020 Division 2(2020-05-11 15:00:02)

Global Rank:   19623

Cheated in:   

Ratings System Update

(2020-05-11 15:00:02)

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1581 (+301)RatingProvisional
Rating i Provisional Rating, click to know more

May Challenge 2020 Division 2(2022-12-20 00:00:00)

Global Rank:   19623

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 (20)

September Challenge 2016

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

November Challenge 2016

Count Permutations, Chef and squares, Task for Alexey

March Challenge 2017

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

April Challenge 2017

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

September Challenge 2017

Sereja and Functions (Challenge), Chef and Pick Digit, Minimum Good Permutation, Little Chef and Sums

October Challenge 2017

Chef and a great voluntary Program, (Challenge) Connecting computers, A Balanced Contest, Counter Test For CHEFSUM, Max Mex

November Challenge 2017

Villages and Tribes, Periodic Palindrome Construction, Chef goes Left Right Left, Chef and Subarray Queries, Product on the segment by modulo , Chef and Intersection Line, Chef Hates Palindromes

May Cook-Off 2017

La Liga, Balanced Array, Nasty Queries

January Challenge 2018

(Challenge) Chef and Palindromes, Simplify the Square Root, K-Concatenation, Maximum Score, Rectangle, String Merging, Partition the numbers

May Challenge 2018 Division 1

Dibs on Fibs, Xor Again, Mighty Friend, Minimum Deletions

July Challenge 2018 Division 1

No Strings Attached, Strike or Spare, Magic Set, Gears, No Minimum No Maximum, Chef and War with Taran (Challenge), Reach Equilibrium, Pizza Delivery

September Challenge 2018 Division 1

Magician versus Chef, War of XORs, Chef and Adventures, Bad Shuffle

November Challenge 2018 Division 2

Chef and Difficult Contests

October Challenge 2018 Division 1

Appy and Balloons

August Lunchtime 2018 Division 1

Chef and Eid, Mix Mix Game

Total Problems Solved: 67