[Codeforces] Round #109 (Div. 1) A. Hometask|PSCodeforces|Problem Solving-Greedy

Codeforces Round #109 (Div. 1) A. Hometask

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[Codeforces] Round #107 (Div. 1) B. Quantity of Strings|PSCodeforces|Problem Solving-Combinatorics

Codeforces Round #107 (Div. 1) B. Quantity of Strings

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[Codeforces] Round #109 (Div. 1) B. Colliders|PSCodeforces|Problem Solving-Hash Table-Sieve of Eratosthenes

Codeforces Round #109 (Div. 1) B. Colliders

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[Codeforces] Round #110 (Div. 1) B. Suspects|PSCodeforces|Problem Solving-Greedy

Codeforces Round #110 (Div. 1) B. Suspects

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[CodeChef] Ciel and Tomya|PSCodeChef|Problem Solving-Dijkstra

Ciel and Tomya

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[CodeChef] Field Trip|PSCodeChef|Problem Solving-Combinatorics-Probability and Statistics

Field Trip

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[CodeChef] Chef and Reversing|PSCodeChef|Problem Solving-Dijkstra

Chef and Reversing

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[CodeChef] Mike and Task Packages|PSCodeChef|Problem Solving-Greedy-Simulation

Mike and Task Packages

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[CodeChef] XOR with Subset|PSCodeChef|Problem Solving-Dynamic Programming

XOR with Subset

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[AtCoder] E - Handshake|PSAtCoder|Problem Solving-Hash Table-Binary Search-Prefix Sum

E - Handshake

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