Xueliang Ren

• Username: 3★moonlight131
• Student/Professional:Student
• Institution:Northeast Normal University, 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: 18

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June Challenge 2020 Division 2(2020-06-15 15:00:02)

Global Rank:   6863

Cheated in:   

Ratings System Update

(2020-06-15 15:00:02)

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1747 (+167)RatingProvisional
Rating i Provisional Rating, click to know more

June Challenge 2020 Division 2(2022-12-20 00:00:00)

Global Rank:   6863

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 (18)

January Cook-Off 2013

Many Chefs, Minimum Distance

February 2013 Challenge

Little Elephant and Cards, Buy1-Get1, Magic Board, Climbing Stairs, Efficient Painting

March Challenge 2013

Fire Escape Routes, Approximately, Tourist Translations

April Challenge 2013

Little Elephant and Music, Barcelona Gameplay Tactics, Kingdom Unity, Fault Tolerance, Maximum Weight Difference, Levy Conjecture

May Challenge 2013

Your Name is Mine, Field Trip, Name Reduction, Password Cracking Challenge, Matchsticks, Witua and Math

September Challenge 2013

Little Elephant and Exams, Merciless Chef, Cool Guys, Chef and Integers , Project Spoon, CAO Stage-1, CAO Stage-2, Sereja and Snake

October Challenge 2013

Little Elephant and Bamboo, Kamehameha, Edit Distance on Grid, Yet Another Nice Girl, CAO Stage-3, Sereja and Transformation, Maxim and Dividers, Helping Lira

November Challenge 2013

Uncle Johny, Square Digit Squares, Missing some chairs, Yet Another Cute Girl, Sereja and Vectors, Chef Game, Superpowers of 2

February Challenge 2014

Little Elephant and Movies, Draughts, Make Him Happy, Longest Common Pattern, Little Elephant and Subarrays, Colored Array

March Challenge 2014

Little Chef and Numbers, A Story with Strings, Mike and Stamps, Walk, Binary Tournament, Team Split

July Challenge 2014

Little Elephant and Painting, Garden Game, Chef and Frogs, Count Substrings, Reach The Point, Dish Owner, Game of Numbers

December Challenge 2014

XOR with Subset

January Challenge 2015

Sereja and Number Division 2, Chef and A Large Permutation, Chef and Stones, Sereja and Votes, One Dimensional Kingdoms, Gcd Queries, Queries on the String

May Challenge 2015

Chef and new recipe, Set Difference , Chef and Prime Divisors, Devu and binary String, Devu and his three Hands

January Challenge 2017

Capital Movement, Cats and Dogs, Tourists in Mancunia

December Challenge 2017

Total Diamonds, Chef And his Cake

May Challenge 2019 Division 2

Reduce to One

June Challenge 2020 Division 2

Even Matrix, The Tom and Jerry Game!, Chef and Icecream, Chef and String, Chef and Price Control

Total Problems Solved: 92