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목록hacker rank (2)
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문제 - https://www.hackerrank.com/challenges/sherlock-and-valid-string/problem?h_l=interview&playlist_slugs%5B%5D=interview-preparation-kit&playlist_slugs%5B%5D=strings Sherlock and the Valid String | HackerRank Remove some characters from the string such that the new string's characters have the same frequency. www.hackerrank.com 풀이 import java.io.*; import java.math.*; import java.security.*; im..
문제 - https://www.hackerrank.com/challenges/alternating-characters/problem?h_l=interview&playlist_slugs%5B%5D=interview-preparation-kit&playlist_slugs%5B%5D=strings Alternating Characters | HackerRank Calculate the minimum number of deletions required to convert a string into a string in which consecutive characters are different. www.hackerrank.com 풀이 import java.io.*; import java.math.*; import..