[AtCoder] A - Long Shuffle|PSAtCoder|Problem Solving-Math-Ad-hoc

A - Long Shuffle

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[Codeforces] Round 681 (Div. 1, based on VK Cup 2019-2020 - Final) A. Extreme Subtraction|PSCodeforces|Problem Solving-Math-Greedy

Codeforces Round 681 (Div. 1, based on VK Cup 2019-2020 - Final) A. Extreme Subtraction

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[Codeforces] Round 681 (Div. 1, based on VK Cup 2019-2020 - Final) B. Identify the Operations|PSCodeforces|Problem Solving-Math-Combinatorics

Codeforces Round 681 (Div. 1, based on VK Cup 2019-2020 - Final) B. Identify the Operations

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[Codeforces] Round 683 (Div. 1, by Meet IT) B. Catching Cheaters|PSCodeforces|Problem Solving-Dynamic Programming-Longest Common Subsequence

Codeforces Round 683 (Div. 1, by Meet IT) B. Catching Cheaters

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[Codeforces] Global Round 12 D. Rating Compression|PSCodeforces|Problem Solving-Math-Two Pointer

Codeforces Global Round 12 D. Rating Compression

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[Codeforces] Round 862 (Div. 2) D. A Wide, Wide Graph|PSCodeforces|Problem Solving-DFS-Binary Search

Codeforces Round 862 (Div. 2) D. A Wide, Wide Graph

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[AtCoder] D - Range Add Query|PSAtCoder|Problem Solving-Math

D - Range Add Query

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[AtCoder] F - Substring of Sorted String|PSAtCoder|Fenwick Tree-Problem Solving

F - Substring of Sorted String

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[AtCoder] C - ± Increasing Sequence|PSAtCoder|Problem Solving-Math-Ad-hoc

C - ± Increasing Sequence

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[AtCoder] B - Unique XOR Path|PSAtCoder|Problem Solving-Math

B - Unique XOR Path

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