hamayanhamayan

• Username: 5★hamayanhamayan
• Country:  Japan
• Student/Professional:Student
• Institution:Kanazawa University Kanazawa, Japan
• 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: 23

Current Ratings Graph Old Ratings Graph

2045 (-67)RatingProvisional
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November Challenge 2019 Division 1(2019-11-11 15:00:00)

Global Rank:   620

Cheated in:   

Ratings System Update

(2019-11-11 15:00:00)

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2045 (+333)RatingProvisional
Rating i Provisional Rating, click to know more

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

Global Rank:   620

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 (23)

January Challenge 2017

Cats and Dogs, Capital Movement

March Challenge 2017

Cooking Schedule

April Challenge 2017

(CH) Serejs and Billiards, Chef and Divisor Tree, Stable market, Dish Of Life, Bear and Row 01, Bear and Clique Distances, Similar Dishes

May Challenge 2017

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

June Challenge 2017

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

July Challenge 2017

Whats in the Name, IPC Trainers, Calculator , Servers (Challenge), Chef and Sign Sequences, Pishty and tree

August Long Challenge 2017

Chef and Rainbow Array, Chef And Fibonacci Array, Chef and Mover, Palindromic Game, Greedy Candidates, Strings and Graphs

September Challenge 2017

Minimum Good Permutation, Little Chef and Sums, Fill The Matrix, Chef and Pick Digit, Sereja and Commands

November Challenge 2017

Chef and Intersection Line, Chef Hates Palindromes, Chef and Subarray Queries, Chef goes Left Right Left, Periodic Palindrome Construction, Villages and Tribes

December Challenge 2017

Penalty Shoot-out, Red and blue points, Chef and Hamming Distance of arrays, Santa Delivering Problem, Chef And his Cake, Total Diamonds, Chef and Universe, Chef And Easy Xor Queries

March Cook-Off 2017

Safe Robot

May Cook-Off 2017

La Liga, Balanced Array

July Cook-Off 2017

Chang and Bitwise OR, Chang and the Perfect Function, Chang and Perfect Quadruples

August Cook-Off 2017

Real obtuse, From heaven to earth

November Cook-Off 2017

Skiing, Random Pair, Online Chess

December Cook-Off 2017

Minimum SubArray, Rotate Point, Beautiful Array, Football Match

April Lunchtime 2017

Bear and Segment 01

June Lunchtime 2017

Maximum Unique Segment, Two Numbers

January Challenge 2018

Partition the numbers, Maximum Score, String Merging, K-Concatenation, Rectangle

February Challenge 2018

Chef And His Characters, Chef And The Patents, Car-pal Tunnel, Permutation and Palindrome

February Cook-Off 2018

Chef and Cook-Off, Chef and Tuples, Chef and Chefness, Chef and Line

March Challenge 2018 DIV 1

Chef and Easy Problem, Minions and Voting, Mix the Colors, Chef and Gcd Queries, Pishty and Triangles

April Challenge 2018 Division 1

Cutting Plants, Highway Crossing, Count Good Prefixes

February Challenge 2019 Division 1

Chef and Secret Ingredients, Appy and Contest, Art of Balance

November Challenge 2019 Division 1

A Simple Game

Total Problems Solved: 123