zhang xy

• Username: 3★powertest
• Country:  China
• Student/Professional:Other
• CodeChef Pro Plan: No Active Plan. View Details

Submissions Heat Map

Last 6 Months 2026 (Jan-Jun)2025 (Jul-Dec)2025 (Jan-Jun)

Rating Graph

No. of Contests Participated: 7

Current Ratings Graph Old Ratings Graph

1788 (+35)RatingProvisional
Rating i Provisional Rating, click to know more

Starters 46 Division 2 (Rated)(2022-07-06 23:00:02)

Global Rank:   795

Cheated in:   

Ratings System Update

(2022-07-06 23:00:02)

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?

1788 (-4)RatingProvisional
Rating i Provisional Rating, click to know more

Starters 46 Division 2 (Rated)(2022-12-20 00:00:00)

Global Rank:   795

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)

None

Practice Paths (0)

None

Contests (7)

December Challenge 2021 Division 3 (Rated)

List of Lists, Utkarsh and Placement tests, Valleys and Hills

CodeChef Starters 33 Division 3 (Rated)

Make Them Equal, Non Adjacent Flips, Minimum Cars required, Broken Life, Distinct Dilemma, Stable Mex, Max BIT Sum

Starters 36 Division 2 (Rated)

Presents for Cheffina

April Long Two 2022 Division 2 (Unrated)

Geometric Mean Inequality, Antipodal Points, Flip to Invert, Pseudo Sorted Array

May Long One 2022 Division 3 (Rated)

Sugarcane Juice Business, The Attack of Queen, Four Arrays, Alternating Diameter, In The Green Zone, Pushpa , Mystical Numbers, The Magical Stone

Starters 38 Division 2 (Rated)

Good Pairs, Average Gift, Anti-knapsack, Circular Track

May Long Two 2022 Division 2 (Unrated)

Xor Palindrome, Make them Zero

Starters 41 Division 2 (Rated)

Path Parity, Equal Integers

June Long Two 2022 Division 2 (Unrated)

Gcd and Lcm , Count the ACs, AP Grid, Reversal Sorting

July Long One 2022 Division 2 (Unrated)

Game of Piles Version 1, Find A, B, C, Slow Solution

Starters 46 Division 2 (Rated)

Prime Xor, Vowel Anxiety, Array sorting, Sort the String

Total Problems Solved: 57