zrjak

• Username: 4★zrjak
• Country:  China
• Student/Professional:Other
• 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: 28

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1958 (+63)RatingProvisional
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Starters 137 Division 2 (Rated)(2024-06-05 22:30:02)

Global Rank:   36

Cheated in:   

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(2024-06-05 22:30:02)

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1936 (+0)RatingProvisional
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Starters 69 Division 2 (Rated)(2022-12-20 00:00:00)

Global Rank:   265

Cheated in:   

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(2022-12-20 00:00:00)

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Contests (28)

October Long 2022 Division 4 (Rated)

Minimum Pizzas, Binary Substituition, Building Race, Single Operation Part 1, Single Operation Part 2, Podium Finish

Starters 60 Division 4 (Rated)

Paper Cutting, Card Removal, Palindrome Flipping, Tax in Chefland, Yet Another Palindrome Problem, Red Green Grids, Expert Setter, Distinct Numbers

Starters 61 Division 2 (Rated)

Minimise LCS, Weird Subarrays, Subarray Removal

Starters 62 Division 2 (Rated)

Sorted Substrings, Make Multiple, Final Sum

Starters 63 Division 2 (Rated)

Make Length 1, Greedy Grid Moves, Minimum Absolute Score, One-XOR Deletions, Maximize 1s

Starters 64 Division 2 (Rated)

Luigi and Uniformity, Range Assign, Number of Distinct Elements Minimize, Distinct Neighbours

Starters 65 Division 2 (Rated)

Nahaane Jaa, Candies, Binod

Starters 66 Division 2 (Rated)

Good Binary Strings, Palindrome by Splitting, Just Like Mob!

Starters 68 Division 2 (Rated)

Boring String, Make Money, Expense List, XOR Product

Starters 69 Division 2 (Rated)

Akash and Dinner, Distinct Sequence

Starters 70 Division 2 (Rated)

Minimum distance between 1s, Prime Reversal, Frequency Array Retrieval

Starters 71 Division 2 (Rated)

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

Starters 72 Division 1 (Rated till 5-Stars)

N Triplets

Starters 78 Division 2 (Rated)

Bitwise Equation, Valid Expression, Solve More Problems!

Starters 79 Division 2 (Rated)

Love Squares Hate Cubes, Mountain, One Stone or Two Stones, Add smallest prime factor, Distinct Opposite Sums

Starters 80 Division 1 (Rated till 5 stars)

Permutation Subsequence, Prefix Permutation

Starters 81 Division 1 (Unrated)

Distinct Matrix

Starters 82 Division 1 (Rated till 6 stars)

Find eX, Difference Matrix

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, TripTastic, Efficient PAN Linking, GCD Queries

Starters 86 Division 1 (Rated for All)

Minimum Operation, String Game , Largest Y

Starters 83 Division 1 (Rated)

Construct String, Budget of Technex, Order by XOR, Couple Game

Starters 89 Division 1 (Rated till 5 Stars)

Positive or Negative Subarrays

Starters 90 Division 1 (Rated till 6 Stars)

Crushed Apples and a Balance Scale, Minimum Ugliness, Printing Binary Array, Anti Palindrome

Starters 93 Division 1 (Rated for All)

NASA

Starters 124 Division 1 (Rated till 5-Stars)

Make It One

Starters 137 Division 2 (Rated)

Speedrun, Double Trouble, Large Differences

Total Problems Solved: 132