[CS Academy] Min Max Sum|PSCS Academy|Problem Solving-Monotonic Stack-Lazy Propagation Segment Tree

Min Max Sum

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[CS Academy] Minimize Ancestor Cost|PSCS Academy|Problem Solving-Graph Theory-Skip List

Minimize Ancestor Cost

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[CS Academy] String Concat|PSCS Academy|Problem Solving

String Concat

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[Codeforces] Beta Round 58 B. Tyndex.Brome|PSCodeforces|Problem Solving-Binary Search

Codeforces Beta Round 58 B. Tyndex.Brome

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[Codeforces] Beta Round 60 A. Harry Potter and Three Spells|PSCodeforces|Problem Solving-Math

Codeforces Beta Round 60 A. Harry Potter and Three Spells

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[Codeforces] Beta Round 61 (Div. 2) C. Petya and File System|PSCodeforces|Problem Solving-Trie

Codeforces Beta Round 61 (Div. 2) C. Petya and File System

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[Codeforces] Manthan 2011 A. Partial Teacher|PSCodeforces|Problem Solving-Greedy

Manthan 2011 A. Partial Teacher

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[Codeforces] Manthan 2011 B. Restoration of the Permutation|PSCodeforces|Problem Solving-Greedy

Manthan 2011 B. Restoration of the Permutation

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[CS Academy] Permutation Matrix|PSCS Academy|Problem Solving-Sliding Window-Prefix Sum-Cycle Detection Algorithm

Permutation Matrix

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[CS Academy] Path Travel|PSCS Academy|Problem Solving-Binary Search

Path Travel

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