[Codeforces] Round 261 (Div. 2) C. Pashmak and Buses|PSCodeforces|Problem Solving-Math

Codeforces Round 261 (Div. 2) C. Pashmak and Buses

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[Codeforces] Round 261 (Div. 2) E. Pashmak and Graph|PSCodeforces|Sorting-Problem Solving-Dynamic Programming

Codeforces Round 261 (Div. 2) E. Pashmak and Graph

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[Codeforces] Round 874 (Div. 3) E. Round Dance|PSCodeforces|Problem Solving-Union Find

Codeforces Round 874 (Div. 3) E. Round Dance

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[Codeforces] Round 871 (Div. 4) G. Hits Different|PSCodeforces|Segment Tree-Problem Solving-Math

Codeforces Round 871 (Div. 4) G. Hits Different

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[Codeforces] Round 867 (Div. 3) E. Making Anti-Palindromes|PSCodeforces|Problem Solving-Greedy

Codeforces Round 867 (Div. 3) E. Making Anti-Palindromes

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[Codeforces] Round 863 (Div. 3) D. Umka and a Long Flight|PSCodeforces|Problem Solving-Math

Codeforces Round 863 (Div. 3) D. Umka and a Long Flight

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[Codeforces] Round 858 (Div. 2) C. Sequence Master|PSCodeforces|Problem Solving-Math

Codeforces Round 858 (Div. 2) C. Sequence Master

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[Hacker Earth] Light Up the Bulbs|PSHacker Earth|Problem Solving-Heap-Union Find

Light Up the Bulbs

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[Hacker Earth] OR-XOR|PSHacker Earth|Problem Solving-Greedy-Bit Manipulation

OR-XOR

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[Hacker Earth] Wise Business|PSHacker Earth|Problem Solving-DFS

Wise Business

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