Khanh Xuan Nguyen

• Username: 4★khanhptnk
• Student/Professional:Student
• CodeChef Pro Plan: No Active Plan. View Details

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Last 6 Months 2025 (Jan-Jun)2024 (Jul-Dec)2024 (Jan-Jun)

Rating Graph

No. of Contests Participated: 20

Current Ratings Graph Old Ratings Graph

1959 (-51)RatingProvisional
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May Challenge 2014(2014-05-12 15:00:00)

Global Rank:   5010

Cheated in:   

Ratings System Update

(2014-05-12 15:00:00)

This is the difference due to changing the rating system.This graph is not updated after 20th Dec 2022. Know more

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1959 (+247)RatingProvisional
Rating i Provisional Rating, click to know more

May Challenge 2014(2022-12-20 00:00:00)

Global Rank:   5010

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 (20)

October Cook-off

Chef Travel Routes

November Cook-Off

Moving Coins, Subanagrams

February 2012 Cook-off

Bears and Bees, Daily Train

March 2012 Challenge

Longest Weird Subsequence, Cosine Partition Function, Lucky Number, Free Shuttle Service, Home Delivery, Spoon in Matrix

March Cook-Off 2012

Ciel Numbers II, Ciel Numbers I

April Challenge 2012

Fit to Play, Double Strings, Stacking Pancakes, Greatest Dumpling Fight

April Cook-Off 2012

Top Batsmen, Crease Painting, Resistance

June Challenge 2012

Arranging Cup-cakes, Doom Bakes Cakes, Little Elephant and Product, Little Elephant and Candies

June Cook-Off 2012

Closing the Tweets

October Cook-Off 2012

Buying Sweets, Tennis Tournament

November Cook-Off 2012

Little Elephant and Permutations, Little Elephant and Divisors

January Challenge 2013

The Minimum Number Of Moves, Chef of the Year

February Cook-Off 2013

Lack of Logic, Row and Column Operations

March Cook-off 2013

The Ball And Cups, Palindrome

April Cook-Off 2013

Andrew and the Meatballs, Andrew and the Strings, Andrew and the Meatballs again

July Challenge 2013

Chef and Walking on the rectangle , Count K-Primes

July Cook-off 2013

Chopsticks, A Plus B Again!

September Cook-Off 2013

Strange Matrix, Code

Total Problems Solved: 47