[Hacker Earth] Multiple Subtrees <Liv.ai>|PSHacker Earth|Problem Solving-Dynamic Programming-DFS

Multiple Subtrees

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[Hacker Earth] Nice Queries|PSHacker Earth|Problem Solving-Binary Search

Nice Queries

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[Codeforces] Round 257 (Div. 1) B. Jzzhu and Cities|PSCodeforces|Problem Solving-Dijkstra

Codeforces Round 257 (Div. 1) B. Jzzhu and Cities

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[Codeforces] Round 258 (Div. 2) D. Count Good Substrings|PSCodeforces|Problem Solving-Math

Codeforces Round 258 (Div. 2) D. Count Good Substrings

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[Codeforces] Round 259 (Div. 1) B. Little Pony and Harmony Chest|PSCodeforces|Problem Solving-Dynamic Programming-Bit Manipulation

Codeforces Round 259 (Div. 1) B. Little Pony and Harmony Chest

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[Codeforces] Round 263 (Div. 1) B. Appleman and Tree|PSCodeforces|Problem Solving-Dynamic Programming-DFS

Codeforces Round 263 (Div. 1) B. Appleman and Tree

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[Codeforces] Round 265 (Div. 1) B. Restore Cube|PSCodeforces|Problem Solving-Graph Theory-Math-Geometry

Codeforces Round 265 (Div. 1) B. Restore Cube

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[Hacker Earth] Scroll-a-palooza|PSHacker Earth|Segment Tree-Problem Solving-Prefix Sum

Scroll-a-palooza

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[Hacker Earth] Substring Xor|PSHacker Earth|Problem Solving-Binary Search-Trie-Bit Manipulation-Lazy Evaluation Technique

Substring Xor

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[Hacker Earth] Watching Video|PSHacker Earth|Problem Solving-Binary Search-Prefix Sum

Watching Video

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