Ania Piekarska

• Username: 7★ania7
• Country:  Poland
• Student/Professional:Student
• Institution:Polish Academy of Sciences Wroclaw, Poland
• CodeChef Pro Plan: No Active Plan. View Details

Submissions Heat Map

Last 6 Months 2025 (Jul-Dec)2025 (Jan-Jun)2024 (Jul-Dec)2024 (Jan-Jun)

Rating Graph

No. of Contests Participated: 21

Current Ratings Graph Old Ratings Graph

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June Challenge 2019 Division 1(2019-06-17 15:00:00)

Global Rank:   18

Cheated in:   

Ratings System Update

(2019-06-17 15:00:00)

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2526 (+50)RatingProvisional
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June Challenge 2019 Division 1(2022-12-20 00:00:00)

Global Rank:   18

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)

March 2010 Contest

Treasure Hunting, K-important Strings, The Best Tower, Tri-Hexagonal Puzzle, Traffic jam

April 2010 Contest

Flood, Travelling Salesman Again !, Trip, Adding Fractions

July 2010

Closest Ranking, Maximal crosses

October 2010 Challenge

Logging Game, Count palindromes

June Cook-off

Correctness of Knight Move, Super-plane

March Challenge 2017

Cooking Schedule, Completing favorite game, Sum of distances, Path Triples On Tree, Xenny and Alternating Tasks, Pishty and birthday, Bear and Extra Number, Bear and Cat Trap, (CH) Bear and Sorted Rows, Bandwidth of a matrix

April Challenge 2017

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

May Challenge 2017

Chef and Sub Array , Long Sandwich , Gotham PD, Chef and his daily routine, Courses in an university, Blocked websites, Median of adjacent maximum numbers, Chef and Subsequences, Chef and Battleship

June Challenge 2017

Chef and Prime Queries, Saboteur (Challenge), Euler Sum, A Good Set, Chef and the Feast, Xenny and Coin Rankings, Triplets, Pairwise union of sets

September Challenge 2017

Sereja and Commands, Sereja and Functions (Challenge), Chef and Pick Digit, Minimum Good Permutation, Sum of Cubes, Weasel does Xor on Tree, Fill The Matrix, Little Chef and Sums

November Challenge 2017

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

May Cook-Off 2017

La Liga, Balanced Array, Nasty Queries

June Cook-Off 2017

Ada and crayons, Knight Covering, SnackUp, Centeroid

April Lunchtime 2017

Bear and Digit Virus, Bear and Segments, Bear and Segment 01

March Challenge 2018 DIV 1

Pishty and Triangles, Chef and Easy Problem, Chef and Gcd Queries, Mix the Colors, Minions and Voting, Embedding a Tree (Challenge)

June Cook-Off 2018 Division 1

Masha and Minions, Sonya and Segments, Good Permutations

May Challenge 2018 Division 1

S-T Mincut, Change the Signs, Not a Convex Hull (Challenge), Fake Binary Search, Dibs on Fibs

August Challenge 2018 Division 1

Coordinate Compression , Modular GCD, Lonely Cycles

November Challenge 2018 Division 1

Max-digit Tree, Appy Loves One, Good Median, Chef, Primes and Trees (Challenge), Magician versus Chef 2, Binary Strings

April Challenge 2019 Division 1

Offer for Chef, Kira Loves Palindromes, Mininum XOR over Tree, Playing with Numbers, Subtree Removal, Edgy, Moving Rectangles (Challenge)

June Challenge 2019 Division 1

Lent Money, Count Arrays, Chef and Ingredients, Chef and His Dish, Intersecting Paths, Sum and GCD, Forgotten Tree 9, (Challenge) SnackDown 99

Total Problems Solved: 117