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Programming and DSA

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Practice Compete Compiler
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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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Catalogue

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 » Song Chol Ju
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Song Chol Ju

  • 7★redstar06
  •   North Korea
  • Student
  • University of Sciences, D.P.R Korea
  • No Active Plan. View Details

Submissions Heat Map

Rating Graph

No. of Contests Participated: 11
2553 (+72)RatingProvisional
Rating i Provisional Rating, click to know more
Starters 113 Division 1 (Rated)(2023-12-20 22:30:00)
Global Rank:   5
Cheated in:   

Ratings System Update

(2023-12-20 22:30:00)
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?
2153 (+41)RatingProvisional
Rating i Provisional Rating, click to know more
Starters 65 Division 2 (Rated)(2022-12-20 00:00:00)
Global Rank:   4
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)

None

Contests (11)

December Challenge 2021 Division 3 (Rated)

Increasing String , Yet Another Tree Problem, Check Mate, Valleys and Hills, Rock Paper Scissors, Pyramid Traversal, List of Lists, Min Manhattan Distance, Utkarsh and Placement tests, Squares Counting

December Cook-Off 2021 Division 2

Median Minimization, Binary String Game, Musical Chairs

December Lunchtime 2021 Division 2

Maximum Trio, Optimal Sorting, Romantic Reversals, Sleep Technique

January Long 2022 - I, Division 1 (Unrated)

Sequence Master, Generating Cycles, Retrieve back the Array, Chef and Riffles

January Long 2022 - II, Division 1 (Unrated)

Array Partition, Power Sum, Tree Master, Sum and OR, Crying Colours

February Long 2022 - I, Division 1 (Unrated)

Random OR, Digit Multiplication By K, Binary Base Basics, Bitwise Blend, Remove Adjacent

February Long 2022 - II, Division 1 (Unrated)

Sequence GCD, Area Sums in Convex Polygons, Bitwise swaps, Xor Palindrome

March Long One 2022, Division 1 (Unrated)

Subarray XOR, Substring of a Substring, Count the Ones, Exact Marks, MEX on Trees

March Long Two 2022, Division 1 (Unrated)

Minimum Longest Substring, Same Parity Swaps in Binary Strings, Kostomuksha and AESC MSU, Perfect Imperfections 2

April Long One 2022 Division 1 (Unrated)

Yet Another Mex Problem, Dazzling AXNODR Challenge , Bullets and Enemies, Min Max Equality, Pairwise Xors

April Long Two 2022 Division 1 (Unrated)

Geometric Mean Inequality, Antipodal Points, Flip to Invert, Chef And Division

May Long One 2022 Division 1 (Unrated)

Mystical Numbers, In The Green Zone, The Magical Stone, Alternating Diameter, Four Arrays

June Long One 2022 Division 1 (Unrated)

Full Path Eraser, Expected move, Reduce to zero, Add By Permutation, Divisible by i , Possible GCD

June Long Two 2022 Division 1 (Unrated)

Counting Is Fun, Gcd and Lcm , AP Grid, The Subarray XOR, Reversal Sorting

July Long One 2022 Division 1 (Unrated)

Largest Square in the garden, Expected Difference, Game of Piles Version 1, Game of Piles Version 2, Find A, B, C

July Long Two 2022 Division 1 (Unrated)

Maximize Difference, Concat Sort, Sum of Product 2, Similar Subsequence

August Long 2022 Division 1 (Unrated)

Angled Flip, Tree of Trees, XOR with smallest element, Hello Equation, Crazy Subsequences

September Long 2022 Division 1 (Unrated)

Yet Another Chef And Numbers, Distinct Numbers, Pokemon Battles, Alone Alice!, Interesting Subarray

October Long 2022 Division 1 (Unrated)

A drawing game, Chef And Array Construction, Twos and Zeros, Binary Substituition

Starters 64 Division 1 (Rated till 5-stars)

Luigi and Uniformity, Square Sort, Xor Array, Prime Factor Division, Planning the Trip, Distinct Neighbours

Starters 65 Division 2 (Rated)

Coordinate Points, Nahaane Jaa, Paisa Double, Candies, Binod, Gormint Aunty, Potato to Gold

November Long 2022 Division 1 (Unrated)

MaxEdges, Minimize swaps, Minimum BFS Length, Alice and the Array

December Long 2022 Division 1 (Unrated)

Counting Subsequences, Not Divisible, Break into Powers, Sum of Cube , Divisible by A_i

January Long 2023 Division 1 (Unrated)

A Short Counting Problem, Swap Shift, Maximum of GCDs, Symmetric Swaps, Minimize the Maximum

Starters 85 Division 1 (Rated till 6 stars)

Crazy Bishops on Chessboard, Efficient PAN Linking, GCD Queries, Bomb Blast, TripTastic

Starters 86 Division 1 (Rated for All)

Trees Are Fun, Least Size, Minimum Operation, String Game , Largest Y

Starters 87 Division 1 (Rated till 6 Stars)

Count the Permutations (always), Checkpoint, Inversions of subsequences, AB plus C, One or All

Starters 97 Division 1 (Rated till 6 Stars)

Make It Special, Unreachability Cost, No Palindrome, Triplets Min

Starters 98 Division 1 (Rated till 6 Stars)

3-Blast Palindrome, Happiness , Build Towers, Ball Distribution, Some Queries

August Long 2023 Division 1 (Unrated)

Codechef Copy, Spiritual Chef, All New CodeChef, Maximum Deliciousness, I Can Use Both Hands!

Starters 113 Division 1 (Rated)

Count Distinct Arrays, Counting Is Fun, Maximise The Minimum, Minimise Maximum Subarray Sum, Make All Equal, Score Sum, Maximum Score

Total Problems Solved: 165

2553
(Div 1)
★★★★★★★
CodeChef Rating (Highest Rating 2553)
  • Inactive Global Rank
  • Inactive Country Rank

Badges

Contest Contender - Bronze Badge

Contest Contender - Bronze Badge

Received for participating in 5 Contests

Problem Solver - Bronze Badge

Problem Solver - Bronze Badge

Received for solving 50 Problems

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