Bartłomiej Karasek

• Username: 3★crucian
• Country:  Poland
• Student/Professional:Student
• Institution:University of Warsaw
• CodeChef Pro Plan: No Active Plan. View Details

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

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No. of Contests Participated: 28

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August Challenge 2019 Division 1(2019-08-12 15:00:00)

Global Rank:   922

Cheated in:   

Ratings System Update

(2019-08-12 15:00:00)

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1754 (-85)RatingProvisional
Rating i Provisional Rating, click to know more

August Challenge 2019 Division 1(2022-12-20 00:00:00)

Global Rank:   922

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 (28)

June Cook-Off 2014

Counting Flags

September Cook-Off 2014, ACM-ICPC Warm up

Sherlock and the Grid, Subarray GCD

May Challenge 2014

Chef-jumping, Stone

June Challenge 2014

Chef and Subarray, Guessing Game

July Challenge 2014

Chef and Rectangle Genome, Count Substrings, Reach The Point

August Challenge 2014

The Leaking Robot, Chef and Gift, Cleaning Tables, Chef and Reversing

September Challenge 2014

Factorisation, Chef and Rainbow Array - 2, Chef and Left-Right, Chef and sequence, Fun with Rotation

October Challenge 2014

Chef and Ground, Magical Girl and Colored Liquid Potions

November Challenge 2014

Chef and Segment Game, Chef and Words, Distinct Characters Subsequence, Chef and Red Black Tree, Let us construct palindrome

December Challenge 2014

Chef and Apple Trees

June Lunchtime 2014

The Smallest Pair

July Lunchtime 2014

And Operation

September Lunchtime 2014

Chef and easy problem, Chef and medium problem 2, Chef and easy problem 2

October Lunchtime 2014

Tanu and Head-bob, Physics Class, Cascading Style Sheets

January Challenge 2015

Gcd Queries, Ranka, One Dimensional Kingdoms, Sereja and Votes, Chef and A Large Permutation, Sereja and Number Division 2, Queries on the String, Chef and Stones

February Challenge 2015

Chef and Chain

May Challenge 2015

Devu and binary String, Chef and Prime Divisors, Set Difference , Chef and new recipe

August Challenge 2015

Devu And Churu , Chef and Path, Chef and insomnia, Aditi and Magic Trick, Cooking Machine, Gravity Guy, Social Cluster, Way Out

September Challenge 2015

Chain of Doughnuts, Nikitosh and xor, Count Steps in Matrix, Lighthouses

December Challenge 2015

Chef and cinema, Chef and Girls, Chef and Filters, Plane Division, Chef and the stones, Oracle Devu and Longest Common Subsequence

December Cook-Off 2015

Chef and Subarrays, Chef and Queries

May Lunchtime 2015

Devu and Grapes

June Challenge 2016

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

May Lunchtime 2016

Akhil Recovers The Lost Array, Akhil And Colored Balls, Akhil And Pending Homework, Akhil And Random String

August Challenge 2019 Division 1

Guddu and his Mother, Dilemma

Total Problems Solved: 104