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[Codeforces] Round #689 (Div. 2, based on Zed Code Competition) D. Divide and Summarize 2022-11-05|PSCodeforces|Problem Solving-Divide and Conquer-Prefix Sum

Codeforces Round #689 (Div. 2, based on Zed Code Competition) D. Divide and Summarize

[Codeforces] 2020-2021 ICPC, NERC, Southern and Volga Russian Regional Contest (Online Mirror, ICPC Rules) K. The Robot 2022-11-05|PSCodeforces|Problem Solving-Simulation

2020-2021 ICPC, NERC, Southern and Volga Russian Regional Contest (Online Mirror, ICPC Rules) K. The Robot

[CodeChef] Moving Coins 2022-11-04|PSCodeChef|Problem Solving-Greedy

[CodeChef] XOR Equal 2022-11-04|PSCodeChef|Problem Solving-Hash Table-Bit Manipulation

[CodeChef] Vaccine Drive 2022-11-04|PSCodeChef|Problem Solving-Math

[CodeChef] Easy Subsequence Selection 2022-11-04|PSCodeChef|Problem Solving-Greedy

Easy Subsequence Selection

[CodeChef] Bon Appetit 2022-11-04|PSCodeChef|Problem Solving-Greedy

[LeetCode] Reverse Vowels of a String 2022-11-04|PSLeetCode|Problem Solving-Array

345. Reverse Vowels of a String

Given a string s, reverse only all the vowels in the string and return it.

The vowels are ‘a’, ‘e’, ‘i’, ‘o’, and ‘u’, and they can appear in both lower and upper cases, more than once.

[Codeforces] Educational Round 101 (Rated for Div. 2) C. Building a Fence 2022-11-04|PSCodeforces|Problem Solving-Dynamic Programming-Two Pointer

Educational Codeforces Round 101 (Rated for Div. 2) C. Building a Fence

[Codeforces] Round #697 (Div. 3) E. Advertising Agency 2022-11-04|PSCodeforces|Problem Solving-Binary Search-Combinatorics

Codeforces Round #697 (Div. 3) E. Advertising Agency

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