[CS Academy] Final C|PSCS Academy|Problem Solving-Combinatorics

Final C

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[CS Academy] Final D|PSCS Academy|Problem Solving-Math

Final D

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[Codeforces] Round 509 (Div. 2) E. Tree Reconstruction|PSCodeforces|Problem Solving-Graph Theory-Greedy

Codeforces Round 509 (Div. 2) E. Tree Reconstruction

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[Codeforces] Round 519 by Botan Investments E. Train Hard, Win Easy|PSCodeforces|Problem Solving-Binary Search-Prefix Sum

Codeforces Round 519 by Botan Investments E. Train Hard, Win Easy

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[Codeforces] Lyft Level 5 Challenge 2018 - Final Round B. Intersecting Subtrees|PSCodeforces|Problem Solving-DFS

Lyft Level 5 Challenge 2018 - Final Round B. Intersecting Subtrees

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[Codeforces] Mail.Ru Cup 2018 Round 1 D. Changing Array|PSCodeforces|Problem Solving-Math-Bit Manipulation

Mail.Ru Cup 2018 Round 1 D. Changing Array

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[Codeforces] Mail.Ru Cup 2018 Round 2 C. Lucky Days|PSCodeforces|Problem Solving-Math

Mail.Ru Cup 2018 Round 2 C. Lucky Days

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[CS Academy] Flawed Olympiad|PSCS Academy|Problem Solving-Bit Manipulation

Flawed Olympiad

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[CS Academy] Gerrymandering|PSCS Academy|Problem Solving-Two Pointer-Greedy

Gerrymandering

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[CS Academy] Gina`s Necklace|PSCS Academy|Problem Solving-Two Pointer

Gina’s Necklace

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