[Codeforces] Round 878 (Div. 3) E. Character Blocking|PSCodeforces|Problem Solving-Hash Table

Codeforces Round 878 (Div. 3) E. Character Blocking

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[Hacker Earth] Lonely M`s array|PSHacker Earth|Segment Tree-Problem Solving-Dynamic Programming

Lonely M’s array

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[Hacker Earth] A beauty factor|PSHacker Earth|Problem Solving-DFS

A beauty factor

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[Hacker Earth] Minimum indexes|PSHacker Earth|Problem Solving-Math-Binary Search-Greedy-Monotonic Deque

Minimum indexes

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[Hacker Earth] Maximum subsequences|PSHacker Earth|Sorting-Problem Solving-Two Pointer-Greedy

Maximum subsequences

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[Hacker Earth] Friendly Neighbors|PSHacker Earth|Sorting-Problem Solving-Heap-Greedy-Sliding Window

Friendly Neighbors

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[Codeforces] Round 841 (Div. 2) and Divide by Zero 2022 E. Graph Cost|PSCodeforces|Problem Solving-Math

Codeforces Round 841 (Div. 2) and Divide by Zero 2022 E. Graph Cost

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[Codeforces] Round 821 (Div. 2) D2. Zero-One (Hard Version)|PSCodeforces|Problem Solving-Dynamic Programming-Greedy

Codeforces Round 821 (Div. 2) D2. Zero-One (Hard Version)

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[Codeforces] Round 826 (Div. 3) F. Multi-Colored Segments|PSCodeforces|Segment Tree-Problem Solving

Codeforces Round 826 (Div. 3) F. Multi-Colored Segments

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[Codeforces] Round 828 (Div. 3) F. MEX vs MED|PSCodeforces|Problem Solving-Math

Codeforces Round 828 (Div. 3) F. MEX vs MED

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