lych_cys

• Username: 7★lych_cys
• Country:  China
• Student/Professional:Student
• Institution:Zhenhai High School, China
• CodeChef Pro Plan: No Active Plan. View Details

Submissions Heat Map

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

Rating Graph

No. of Contests Participated: 9

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March Challenge 2018 DIV 1(2018-03-12 15:00:00)

Global Rank:   13

Cheated in:   

Ratings System Update

(2018-03-12 15:00:00)

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2845 (+221)RatingProvisional
Rating i Provisional Rating, click to know more

March Challenge 2018 DIV 1(2022-12-20 00:00:00)

Global Rank:   13

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 (9)

March Challenge 2017

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, Cooking Schedule

April Challenge 2017

Bear and Random Grid, Similar Dishes, Bear and Clique Distances, Bear and Row 01, Dish Of Life, Heavy-Light Decomposition, Stable market, Chef and Divisor Tree, (CH) Serejs and Billiards, Chef and Digits

July Challenge 2017

Pishty and tree, Two Coins, IPC Trainers, Calculator , Servers (Challenge), Tree Expectancy, Multiplication Program, Chef and Sign Sequences, Irrational Root, Whats in the Name

September Challenge 2017

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

October Challenge 2017

Lucky Edge, Chef and a great voluntary Program, (Challenge) Connecting computers, A Balanced Contest, Counter Test For CHEFSUM, Max Mex, Chef and Horcrux, Chef and Magic Arrays, Chef and Cycled Cycles, Shooting on the array

November Challenge 2017

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

IOPC 2017 (Rated)

Solve the Assignment, Christmas Time, Game Of Life, The Birthday Tears, Max Out

January Challenge 2018

Rectangle, Partition the numbers, String Merging, Maximum Score, K-Concatenation, Killjee and k-th letter , Simplify the Square Root, A humongous Query, Killing Monsters, (Challenge) Chef and Palindromes

March Challenge 2018 DIV 1

Pishty and Triangles, Chef and Interval Painting, Chef Cuts Tree, Chef and Easy Problem, Chef and Gcd Queries, Mix the Colors, Minions and Voting

Total Problems Solved: 90