cowwycow

Rookie League

• Username: 5★cowwycow
• Country:  Vietnam
• Student/Professional:Other
• CodeChef Pro Plan: No Active Plan. View Details

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Last 6 Months 2026 (Jan-Jun)2025 (Jul-Dec)2025 (Jan-Jun)

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No. of Contests Participated: 20

Current Ratings Graph Old Ratings Graph

2012 (+10)RatingProvisional
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Starters 229 (Rated till 6 star)(2026-03-11 22:00:00)

Global Rank:   74

Cheated in:   

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(2026-03-11 22:00:00)

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None(None)

Global Rank:   0

Cheated in:   

Ratings System Update

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Contests (20)

Starters 98 Division 4 (Rated)

FIND A and B, Messi vs Ronaldo

Starters 190 (Rated)

Subsequence Sort, Maximum Slams, Number Reduction, Light All, Min-Max Deletion

Starters 191 (Rated)

Add 1 or 2, Grid Path (Easy), Add to get GCD, Permuted Greater than 2, Divide into 3, Nearest Square

Starters 192 (Rated)

No 3 Please!, Equate XY, MinPath Minimize, Security Lines, No Odd Sum

Starters 197 (Rated)

Good Ranking (Pair), All Odd Prefix Sums, Split

Starters 199 (Rated)

Perfect Ranges, Fence Colouring, Grid MEX, Subtract or Divide

Starters 200 (Rated)

Permutation Counting (Easy), Good Subsequence, Restrict Palindromes, Random NIM, Minimum Set, Lexicographic Matching

Starters 202 (Rated for 5 star)

If Only I Could Read, Min-Max Deque (Easy)

Starters 206 (Rated)

Prime Sum, Gladiator Fighting, Product Equal Sum, Min Steps, Cyclic Shift Minimization

Starters 207 (Rated till 5 star)

Adjacent Sums, Make Subarray, Maximum Smaller

Starters 208 (Rated till 6 star)

GCND, Cycle and Add

Starters 209 (Rated till 5 star)

Binary Love, Tactical Conversion, High Score (Easy Version)

Starters 210 (Rated till 5-star)

Delete Sorted Subsequence, First Element Counting, Make All, Min Modular Subarray

Starters 211 (Rated till 6 - star)

Subarray Maximums, No Doubling, Tournament Rigging (Minimum)

Starters 212 (Rated till 6 star)

Binary Flip, Distinct Fun, Interesting Binary (Easy Version), Counting MEX Is Fun

Starters 213 (Rated till 5 star)

Mean Difference (Easy), Chef and String, Separation, Maximum Product Walk

Starters 214 (Unrated)

Crazy Permutations, Scam, Delete For Fun

Starters 217 (Rated till 5 star)

Tree Counting, Range MEX, Make An AP

Starters 223 (Unrated)

Expansion, Less than Max

Starters 224 (Rated till 6 star)

Advitiya Coin, MAX MIN MEX

Starters 228 (Rated till 6 star)

Min And Operations

Starters 229 (Rated till 6 star)

Sum Not Equal, Minimal Usage

Total Problems Solved: 110