LOU

• Username: 4★pbus
• Country:  China
• Student/Professional:Student
• Institution:China Zhejiang Quzhou No.2 High School China
• 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: 6

Current Ratings Graph Old Ratings Graph

1944 (-316)RatingProvisional
Rating i Provisional Rating, click to know more

April Challenge 2018 Division 1(2018-04-17 15:00:00)

Global Rank:   650

Cheated in:   

Ratings System Update

(2018-04-17 15:00:00)

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?

1944 (+474)RatingProvisional
Rating i Provisional Rating, click to know more

April Challenge 2018 Division 1(2022-12-20 00:00:00)

Global Rank:   650

Cheated in:   Plagiarised in DEC17

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)

None

Practice Paths (0)

None

Contests (6)

August Long Challenge 2017

Chef and Mover, Palindromic Game, Greedy Candidates, Chef and Rainbow Array

October Challenge 2017

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

December Challenge 2017

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

January Challenge 2018

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

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

April Challenge 2018 Division 1

Chef at the Food Fair, Chef and Same Old Recurrence

Total Problems Solved: 54