sysulby

• Username: 7★sysulby
• Country:  China
• Student/Professional:Professional
• Organisation:
• CodeChef Pro Plan: No Active Plan. View Details

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

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No. of Contests Participated: 15

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Starters 174 (Rated upto 2700)(2025-02-19 22:15:00)

Global Rank:   6

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Global Rank:   0

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Contests (15)

February Cook-Off 2023 Division 4 (Rated)

Take Not Less, Alice Potter And Dumbledore Army, Bi_lindrome!, Pasha and Good Ones, Permutation and Modulus, Minimum Beauty , Netflix, Battery Health

Starters 77 Division 2 (Rated)

Three Numbers, K Increment Palindrome, Concat Palindrome, K Forests, Sort a String, Yet Another XOR Sort

Starters 78 Division 1 (Rated till 6 stars)

MinAdd, Bitwise Equation, Balanced Suffix, Solve More Problems!, Divisible Subarray Counting

Starters 79 Division 1 (Rated till 5 Stars)

Love Squares Hate Cubes, K-Beautiful Subarrays, Mountain, One Stone or Two Stones, Split or Decrease

Starters 80 Division 1 (Rated till 5 stars)

c8kbf and Tree, Matrix Pain, Eat Rock!, Prefix Permutation, Permutation Subsequence, Three-People Contests

Starters 81 Division 1 (Unrated)

Beautiful Strings, Horde Chess, Unimodal Subsets, Good XOR, Arrange the array, Binary Ternary

Starters 82 Division 1 (Rated till 6 stars)

Difference Matrix, Find eX, Make Them Alike, Tree Game

Starters 84 Division 1 (Rated till 6 Stars)

SUM OR, Max count of 1, Digit Operation, Chef And Adjacent Sums

Starters 85 Division 1 (Rated till 6 stars)

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

Starters 87 Division 1 (Rated till 6 Stars)

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

Starters 83 Division 1 (Rated)

Construct String, Order by XOR

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)

Crushed Apples and a Balance Scale, Anti Palindrome, Printing Binary Array, Sum of Goodness

Starters 91 Division 1 (Rated till 6 Stars)

XOR & Sum, Odd GCD Permutation, Chef Odd, Maximum Sum Permutation

Starters 92 Division 1 (Rated till 6 Stars)

Distance Coloring, Beautification of array, Chef and Polygons, Dividing into Groups, Rectangular Tiling, A Peculiar Arrangement

Starters 95 Division 1 (Rated till 6 Stars)

Chef and Moves of GCD, Partition and Maximize, Boxes, Transfusion Chain, Break This Array

Starters 97 Division 1 (Rated till 6 Stars)

Disappearing Domino Game, Triplets Min, No Palindrome, Chef and Division, Unreachability Cost, Make It Special

Starters 173 (Rated upto < 2700)

Cool Subsequences, Postman and LLM, Introverts, Cool Checker, Min-Max Product Partition, Time Penalty, Overwrite

Starters 174 (Rated upto 2700)

GCD Add Size, Meximal Sum, Mystic Slimes, Graph Monsters

Total Problems Solved: 113