chiheng lou

• Username: 6★gjghfd
• Student/Professional:Student
• Institution:University of Chinese Academy of Science
• 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: 10

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April Challenge 2020 Division 1(2020-04-13 17:30:00)

Global Rank:   649

Cheated in:   

Ratings System Update

(2020-04-13 17:30:00)

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2329 (+224)RatingProvisional
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April Challenge 2020 Division 1(2022-12-20 00:00:00)

Global Rank:   649

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?

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Contests (10)

October Challenge 2017

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

December Challenge 2017

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

January Challenge 2018

Killing Monsters, A humongous Query, K-Concatenation, Maximum Score, Rectangle, String Merging, Partition the numbers

March Challenge 2018 DIV 1

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

May Challenge 2018 Division 1

S-T Mincut, Change the Signs, Edges in Spanning Trees, Fake Binary Search, Dibs on Fibs

September Challenge 2019 Division 1

Biladerim Icin, Fuzzy Linear Combinations, Expected GCD, Chef Designed a Network

October Challenge 2019 Division 1

Bacterial Reproduction, Array Modification, Chef and Maximum Star Value, Even Edges, Queries on Matrix

November Challenge 2019 Division 1

Physical Exercise, Smallest Beautiful Number, From Zero to Infinity, Single Point of Failure

December Challenge 2019 Division 1

Chefina and Ranges, Binary XOR, Scoring Pairs, Sticky Notes, Addition

April Challenge 2020 Division 1

Strange Number, Squared Subsequences, Ready Bitwise, Factor Tree

Total Problems Solved: 65