[Codeforces] Round 121 (Div. 1) C. Fools and Roads|PSCodeforces|Lowest Common Ancestor-Problem Solving-Heap-Prefix Sum

Codeforces Round 121 (Div. 1) C. Fools and Roads

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[Codeforces] Round 123 (Div. 2) D. Analyzing Polyline|PSCodeforces|Problem Solving-Geometry

Codeforces Round 123 (Div. 2) D. Analyzing Polyline

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[Codeforces] Round 125 (Div. 2) B. Special Olympics|PSCodeforces|Problem Solving-Geometry

Codeforces Round 125 (Div. 2) B. Special Olympics

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[Hacker Earth] Number of RBS|PSHacker Earth|Problem Solving-Dynamic Programming

Number of RBS

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[Hacker Earth] Three problems|PSHacker Earth|Problem Solving

Three problems

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[Hacker Earth] Range queries|PSHacker Earth|Segment Tree-Problem Solving-Offline Query Technique

Range queries

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[Hacker Earth] A special date|PSHacker Earth|Problem Solving-Binary Search

A special date

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[Hacker Earth] The score game|PSHacker Earth|Sorting-Problem Solving-Greedy

The score game

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[Codeforces] Abbyy Cup 2.0 - Final (unofficial) B2. Military Trainings|PSCodeforces|Problem Solving-Dynamic Programming

Abbyy Cup 2.0 - Final (unofficial) B2. Military Trainings

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[Codeforces] Round 130 (Div. 2) B. Solitaire|PSCodeforces|Problem Solving-Graph Theory

Codeforces Round 130 (Div. 2) B. Solitaire

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