[Codeforces] Round #779 (Div. 2) C. Shinju and the Lost Permutation|PSCodeforces|Problem Solving-Greedy

Codeforces Round #779 (Div. 2) C. Shinju and the Lost Permutation

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[Codeforces] Round #780 (Div. 3) F2. Promising String (hard version)|PSCodeforces|Problem Solving-Math

Codeforces Round #780 (Div. 3) F2. Promising String (hard version)

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[Codeforces] Round #780 (Div. 3) F1. Promising String (easy version)|PSCodeforces|Problem Solving-Math

Codeforces Round #780 (Div. 3) F1. Promising String (easy version)

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[CodeChef] The Gray-Similar Code|PSCodeChef|Problem Solving-Math-Greedy

The Gray-Similar Code

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[CodeChef] Yet Another Nice Girl|PSCodeChef|Problem Solving-Binary Search

Yet Another Nice Girl

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[CodeChef] Chef and Sub Array|PSCodeChef|Problem Solving-Monotonic Stack-Sliding Window

Chef and Sub Array

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[CodeChef] Strange Swaps|PSCodeChef|Sorting-Problem Solving

Strange Swaps

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[CodeChef] And Operation|PSCodeChef|Problem Solving-Greedy-Bit Manipulation

And Operation

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[AtCoder] D - Greedy customers|PSAtCoder|Problem Solving-Greedy

D - Greedy customers

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[AtCoder] C - Gr-idian MST|PSAtCoder|Problem Solving-Math-Greedy

C - Gr-idian MST

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