[CS Academy] Transpermutation|PSCS Academy|Problem Solving-Greedy

Transpermutation

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[CS Academy] Traveling Time|PSCS Academy|Problem Solving-Lazy Propagation Segment Tree

Traveling Time

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[CS Academy] Triangular Matrix|PSCS Academy|Problem Solving-Greedy

Triangular Matrix

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[Codeforces] Educational Round 86 (Rated for Div. 2) D. Multiple Testcases|PSCodeforces|Problem Solving-Hash Table-Simulation

Educational Codeforces Round 86 (Rated for Div. 2) D. Multiple Testcases

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[Codeforces] Round 638 (Div. 2) D. Phoenix and Science|PSCodeforces|Problem Solving-Math

Codeforces Round 638 (Div. 2) D. Phoenix and Science

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[Codeforces] Round 642 (Div. 3) E. K-periodic Garland|PSCodeforces|Problem Solving-Hash Table-Greedy

Codeforces Round 642 (Div. 3) E. K-periodic Garland

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[Codeforces] Educational Round 87 (Rated for Div. 2) D. Multiset|PSCodeforces|Fenwick Tree-Problem Solving-Binary Search

Educational Codeforces Round 87 (Rated for Div. 2) D. Multiset

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[Codeforces] Round 645 (Div. 2) D. The Best Vacation|PSCodeforces|Problem Solving-Binary Search-Sliding Window

Codeforces Round 645 (Div. 2) D. The Best Vacation

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[CS Academy] Two Rows|PSCS Academy|Problem Solving-Dynamic Programming

Two Rows

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[CS Academy] Water Supply|PSCS Academy|Problem Solving-Greedy-Union Find

Water Supply

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