Qi Langrui

• Username: 7★aoligei
• Country:  China
• Student/Professional:Student
• 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: 7

Current Ratings Graph Old Ratings Graph

2567 (+98)RatingProvisional
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March Lunchtime 2022 Division 1(2022-03-19 23:00:00)

Global Rank:   8

Cheated in:   

Ratings System Update

(2022-03-19 23:00:00)

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2567 (+41)RatingProvisional
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March Lunchtime 2022 Division 1(2022-12-20 00:00:00)

Global Rank:   8

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 (7)

December Lunchtime 2020 Division 2 (Unrated)

Even Sequence, Three Letters, Sed Sequences, Horoscope Matrix, One Zero Swaps, K-Tuple Tree

January Challenge 2021 Division 3

Chef and Division 3, Encoded String, Point Of Impact, Fair Elections, Watching CPL, Blackjack, Guess the Tiling, Chef and Ants

March Cook-Off 2021 Division 2

Consecutive Deletions, Water Transfer, Matrix XOR, Guess the Number

March Challenge 2021 Division 2

Maximum Topological Sort, Random Walk Queries, Locked Safe, Wireless Electricity (Challenge), Space Arrays, Consecutive Adding, College Life 4, Dense Graph, Interesting XOR!, Paparazzi Gennady

March Lunchtime 2021 Division 1

Motivation, Node Codon, Uniform, Lunchtime, Gamer

April Challenge 2021 Division 1

Boolean Game, Chef and Dice, Destroy the EMP Chip, Tree Permutations, Binary String MEX, Worthy Matrix

June Challenge 2021 Division 1 (Unrated)

Shortest Route, Bitwise Tuples, Bella ciao, Summer Heat

December Lunchtime 2021 Division 1

Romantic Reversals, Point constraints, Sleep Technique , Optimal Sorting, In-tree-active Node Coloring

March Lunchtime 2022 Division 1

Subsequence, Mathology, Sussy Rooks, Winter, Adjacency Love, Separate Them All

Total Problems Solved: 71