charAt 을 사용하지 않고 배열로 바꿔 사용한점 빼고는 거의 동일한 코드같은데 실패합니다 ㅠㅠ
한참동안 코드를 살펴봐도 어디가 잘못된 건지 모르겠네요 ㅜㅜ 테스트케이스에 올라온건 통과하는데 fail 이라 이해가 잘 되지 않습니다 ㅠㅠ
확인 한번 부탁드립니다
import java.util.HashMap;
import java.util.Scanner;
public class Main {
public static void main(String[] args) {
Scanner sc = new Scanner(System.in);
String source = sc.nextLine();
String target = sc.nextLine();
System.out.println(solution(source, target));
}
private static int solution(String source, String target) {
int answer = 0;
HashMap<Character, Integer> t = new HashMap<>();
for(char c : target.toCharArray()){
t.put(c, t.getOrDefault(c, 0)+1);
}
HashMap<Character, Integer> s = new HashMap<>();
char[] sArr = source.toCharArray();
for(int i = 0; i < t.size()-1; i++){
s.put(sArr[i], s.getOrDefault(sArr[i], 0) +1);
}
int lt = 0;
for(int rt = t.size()-1; rt < sArr.length; rt++){
s.put(sArr[rt], s.getOrDefault(sArr[rt], 0) +1);
if(t.equals(s)) answer++;
s.put(sArr[lt], s.get(sArr[lt])-1);
if(s.get(sArr[lt]) == 0) s.remove(sArr[lt]);
lt++;
}
return answer;
}
}답변 1
0
안녕하세요^^
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위 입력이 오답으로 나옵니다. 답은 180입니다.
채점사이트에서 결과로 "오답입니다" 라고 나오는 부분을 클릭해보세요. 그러면 자세한 결과를 볼 수 있고, 오답이 나온 채점데이터도 볼 수 있습니다.
안녕하세요. 바뀐 채점사이트 관련해서 문의드립니다.
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좌표 정렬 문제 이 코드가 왜 틀린지 모르겠습니다 ㅠㅠ
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이런 풀이는 어떨까요
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55
1
이런 코드는 어떤가요?
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