[AtCoder] B - GCD Subtraction|PSAtCoder|Problem Solving-Math-Euclidean Algorithm

B - GCD Subtraction

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[AtCoder] E - Transition Game|PSAtCoder|Problem Solving-Topological Sort

E - Transition Game

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[Codeforces] Educational Round 85 (Rated for Div. 2) D. Minimum Euler Cycle|PSCodeforces|Problem Solving-Ad-hoc

Educational Codeforces Round 85 (Rated for Div. 2) D. Minimum Euler Cycle

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[Codeforces] Round 633 (Div. 1) B. Edge Weight Assignment|PSCodeforces|Problem Solving-Graph Theory-Dynamic Programming-DFS

Codeforces Round 633 (Div. 1) B. Edge Weight Assignment

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[Codeforces] Round 643 (Div. 2) C. Count Triangles|PSCodeforces|Problem Solving-Math-Geometry

Codeforces Round 643 (Div. 2) C. Count Triangles

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[Codeforces] Round 650 (Div. 3) D. Task On The Board|PSCodeforces|Sorting-Problem Solving-Greedy

Codeforces Round 650 (Div. 3) D. Task On The Board

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[Codeforces] Round 658 (Div. 1) B. Unmerge|PSCodeforces|Problem Solving-Dynamic Programming-0/1 Knapsack-Greedy

Codeforces Round 658 (Div. 1) B. Unmerge

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[CS Academy] Fast Typing|PSCS Academy|Problem Solving

Fast Typing

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[CS Academy] Falling Leaves|PSCS Academy|Problem Solving-Math-Geometry

Falling Leaves

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[CS Academy] Fake Coins|PSCS Academy|Problem Solving-Divide and Conquer

Fake Coins

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