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Programming and DSA

Learn to think like a programmer. Develop your problem-solving skills with essential data structures and algorithms.

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Programming and DSA

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Programming and DSA

Learn to think like a programmer. Develop your problem-solving skills with essential data structures and algorithms.

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Practice Compete Compiler
Home » Khacthu Khacthu
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Khacthu Khacthu

  • 6★thunopro
  •   Vietnam
  • Student
  • High School for Gifted Students, Hanoi National University of Education Hanoi, Vietnam Hanoi Vietnam
  • No Active Plan. View Details

Submissions Heat Map

Rating Graph

No. of Contests Participated: 26
2233 (+0)RatingProvisional
Rating i Provisional Rating, click to know more
Starters 113 Division 1 (Rated)(2023-12-20 22:30:00)
Global Rank:   94
Cheated in:   

Ratings System Update

(2023-12-20 22:30:00)
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1921 (-9)RatingProvisional
Rating i Provisional Rating, click to know more
Starters 69 Division 2 (Rated)(2022-12-20 00:00:00)
Global Rank:   55
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 (3)

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Learn JavaScript

3%
learn-icon

Learn PHP

1%
learn-icon

Problem solving in Python

43%

Practice Paths (2)

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Practice for ZCO and INOI

13%
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Level up from 1* to 2*

2%

Contests (26)

February Long 2022 - I, Division 3 (Rated)

Binary Base Basics, N Queens Puzzle Solved !, Chef and the Hair Salon

February Cook-Off 2022 Division 3

Perfect Permutation, PerMEXuation , Lazy Salesman, Peaceful Party, Prefix Permutation

February Long 2022 - II, Division 3 (Rated)

Avoid Fixed Points, World Chess Championship, Chef and NextGen, Xor Palindrome

CodeChef Starters 26 Division 3 (Rated)

Careless Chef, Count the Notebooks, Hostel Room, Control the Pollution

February Lunchtime 2022 Division 2

Four Equidistant Points on a Grid, Parallel Processing, Magnet Sort

March Long One 2022, Division 2 (Unrated)

Akash and Function, Exact Marks

CodeChef Starters 30 Division 2 (Rated)

Minimum Coloring, Maximizing LIS, Gift Shop and Coupon, Balanced Reversals

March Cook-Off 2022 Division 2

Fixed Weight, Janmansh at Fruit Market, Equal Mex Splitting, Alternating Divisibility

April Long Two 2022 Division 2 (Unrated)

Akash and Equal Mean, Pseudo Sorted Array

May Long Two 2022 Division 2 (Unrated)

Make them Zero

Starters 42 Division 2 (Rated)

Minimum or Maximum, Divisible by 3

Starters 43 Division 2 (Rated)

Array Sorting, Make them Equal, The Optimal Pairs, Permutation AND, Distinct Palindrome

June Lunchtime 2022 Division 2 (Rated)

Zero Ones Equal One Zeros, The Lost Array, Equal by XORing

Starters 46 Division 2 (Rated)

Vowel Anxiety, Array sorting, Sort the String

July Lunchtime 2022 Division 2 (Rated)

Easy Pronunciation, Yet Another Palindrome Making Problem, Maximum Median Matching

Starters 48 Division 2 (Rated)

Fill The Grid, Make Palindrome 2, Positive array

Starters 49 Division 2 (Rated)

Split The String, High Frequency, Monks, Valid Minimum

Starters 50 Division 2 (Rated)

Air Blimp, Permutation GCD, Sum Product Segments, Average Permutation

Starters 51 Division 2 (Rated)

Adjacent Xors, Split N, Copy and Paste, Different Medians

Starters 52 Division 2 (Unrated)

Minimum Sum, WA Test Cases, K-Flip, Gritty Grid, Flipping Failure

Starters 68 Division 2 (Rated)

Boring String, XOR Product, Expense List, Make Money

Starters 69 Division 2 (Rated)

Akash and Dinner, Distinct Sequence, Longest Subarray

Starters 71 Division 2 (Rated)

Pet Store, Flip the Prefix, Expected Sum, Maximizing LCS, Smallest Difference

Starters 106 Division 2 (Rated)

Playing with OR, Save People, Guess the winner!, Count Possibilities, Reach Anywhere

Starters 107 Division 1 (Rated till 6 Stars)

Maximal Expression, Adjacent Flips, Odd Matrix, OR Permutation

Starters 109 Division 1 (Rated till 5 Stars)

Minimum XOR, Chef Lost an Array, Alter Ego, Chroma Swap

Starters 110 Division 1 (Rated till 5-stars)

Marbles,  Am I Lucky!, Monsters, Tetris

Starters 111 Division 1 (Rated till 6 Stars)

LCM Mania, Prefixing, Prime Range Game, Beautiful Strings

Starters 112 Divison 1 (Rated till 6 Stars)

Cursed Indices, 3 Logicians Walk into a Bar, Yet Another Array Game, Subtree Coloring, Permutation Construction

Starters 113 Division 1 (Rated)

Count Distinct Arrays, Minimise Maximum Subarray Sum, Make All Equal, Score Sum, Maximum Score

Weekend Dev Challenge 11: ML Projects

Language Detection System

Total Problems Solved: 331

2233
(Div 1)
★★★★★★
CodeChef Rating (Highest Rating 2233)
  • Inactive Global Rank
  • Inactive Country Rank

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Contest Contender - Silver Badge

Contest Contender - Silver Badge

Received for participating in 25 Contests

Problem Solver - Silver Badge

Problem Solver - Silver Badge

Received for solving 250 Problems

Daily Streak - Bronze Badge

Daily Streak - Bronze Badge

Received for maintaining a streak of 5 days

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