[CS Academy] Groups|PSCS Academy|Problem Solving-Hash Table

Groups

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[CS Academy] Hill Skateboarding|PSCS Academy|Problem Solving-Sliding Window

Hill Skateboarding

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[Codeforces] Round 883 (Div. 3) F. Rudolph and Mimic|PSCodeforces|Problem Solving-Greedy

Codeforces Round 883 (Div. 3) F. Rudolph and Mimic

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[Codeforces] Round 886 (Div. 4) H. The Third Letter|PSCodeforces|Problem Solving-DFS

Codeforces Round 886 (Div. 4) H. The Third Letter

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[Codeforces] Round 885 (Div. 2) C. Vika and Price Tags|PSCodeforces|Problem Solving-Math

Codeforces Round 885 (Div. 2) C. Vika and Price Tags

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[Codeforces] Round 883 (Div. 3) E2. Rudolf and Snowflakes (hard version)|PSCodeforces|Problem Solving-Math

Codeforces Round 883 (Div. 3) E2. Rudolf and Snowflakes (hard version)

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[Codeforces] Educational Round 151 (Rated for Div. 2) D. Rating System|PSCodeforces|Problem Solving-Greedy-Prefix Sum

Educational Codeforces Round 151 (Rated for Div. 2) D. Rating System

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[AtCoder] C - Dyed by Majority (Odd Tree)|PSAtCoder|Problem Solving-Dynamic Programming-DFS-Greedy

C - Dyed by Majority (Odd Tree)

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[AtCoder] E - NAND repeatedly|PSAtCoder|Problem Solving-Dynamic Programming

E - NAND repeatedly

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[AtCoder] F - Cans and Openers|PSAtCoder|Problem Solving-Two Pointer-Prefix Sum

F - Cans and Openers

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