[CS Academy] T-shapes|PSCS Academy|Problem Solving

T-shapes

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[CS Academy] Substring Restrictions|PSCS Academy|Problem Solving-Union Find

Substring Restrictions

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[CS Academy] Subset Trees|PSCS Academy|Problem Solving-Dynamic Programming

Subset Trees

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[Codeforces] Round 694 (Div. 1) B. Strange Definition|PSCodeforces|Problem Solving-Math

Codeforces Round 694 (Div. 1) B. Strange Definition

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[Codeforces] Round 697 (Div. 3) F. Unusual Matrix|PSCodeforces|Problem Solving-Greedy

Codeforces Round 697 (Div. 3) F. Unusual Matrix

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[Codeforces] Round 697 (Div. 3) G. Strange Beauty|PSCodeforces|Sorting-Problem Solving-Dynamic Programming-Math

Codeforces Round 697 (Div. 3) G. Strange Beauty

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[Codeforces] Round 698 (Div. 1) B. Nezzar and Binary String|PSCodeforces|Problem Solving-Lazy Propagation Segment Tree

Codeforces Round 698 (Div. 1) B. Nezzar and Binary String

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[Codeforces] Round 700 (Div. 1) B1. Painting the Array I|PSCodeforces|Problem Solving-Greedy

Codeforces Round 700 (Div. 1) B1. Painting the Array I

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[CS Academy] Product Replace|PSCS Academy|Problem Solving-Ad-hoc

Product Replace

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[CS Academy] Switch the Lights|PSCS Academy|Problem Solving-Bit Manipulation

Switch the Lights

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