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Ri Hak Yong
- 7★redstar07
North Korea
- Student
- University of Sciences, D.P.R Korea
- No Active Plan. View Details
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Ratings System Update
(2024-01-31 22:00:00)Ratings System Update
(2022-12-20 00:00:00)Learning Paths (0)
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Contests (11)
August Long 2022 Division 4 (Rated)
Tree of Trees, Sale Season, XOR with smallest element, Hello Equation, Two Trains, Maximum Submissions, Make A and B equal, Crazy Subsequences, Angled Flip
Starters 53 Division 2 (Rated)
Winter Is Here, Queen Blocks, Make A and B equal, Make It One, Black&White Ring Game
September Long 2022 Division 2 (Unrated)
Yet Another Chef And Numbers, Distinct Numbers, Pokemon Battles, Alone Alice!, Interesting Subarray, Good Pairs
October Long 2022 Division 3 (Rated)
Building Race, Single Operation Part 2, Single Operation Part 1, Binary Substituition, A drawing game, Chef And Array Construction, Twos and Zeros
Starters 63 Division 2 (Rated)
Distinct Neighbours , Maximize 1s, Count Partitions , One-XOR Deletions, Make Length 1, Minimum Absolute Score
Starters 64 Division 2 (Rated)
Xor Array, Distinct Neighbours , Prime Factor Division, Square Sort, Range Assign, Number of Distinct Elements Minimize, Luigi and Uniformity
Starters 65 Division 2 (Rated)
Coordinate Points, Nahaane Jaa, Candies, Binod, Gormint Aunty, Lazy Ancestors
November Long 2022 Division 2 (Unrated)
Spliting Balls, Alice and the Array, Minimize swaps, Minimum BFS Length, Split and Maximize, MaxEdges
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)
Minimize the Maximum, Symmetric Swaps, Maximum of GCDs, Swap Shift, A Short Counting Problem
Starters 89 Division 1 (Rated till 5 Stars)
Positive or Negative Subarrays, Subarray Removal, Two Averages, Restore Communication, Tree Queries, Evil Infection
Starters 90 Division 1 (Rated till 6 Stars)
Anti Palindrome, Printing Binary Array, Sum of Goodness, Crushed Apples and a Balance Scale, Chef And Partytions, Minimum Ugliness
Starters 91 Division 1 (Rated till 6 Stars)
Cheapest Office, XOR & Sum, Limited Shopping, Odd GCD Permutation, More Inversions, Chef Odd, Maximum Sum Permutation
Starters 95 Division 1 (Rated till 6 Stars)
Transfusion Chain, Boxes
August Long 2023 Division 1 (Unrated)
Codechef Copy, Spiritual Chef, All New CodeChef, Maximum Deliciousness, I Can Use Both Hands!
Starters 119 Division 1 (Rated till 6-Stars)
K Odd Sum, Xorred, Unalike Gcd & Lcm, Guess Who Delivers, Luxury Inflation