Problem Solving/Baekjoon
[백준] 10813 공 바꾸기 - Implementation / Java
graycode
2024. 6. 4. 13:21
• 문제 링크
https://www.acmicpc.net/problem/10813
• 풀이 코드
import java.io.BufferedWriter;
import java.io.IOException;
import java.io.OutputStreamWriter;
public class Main {
public static void main(String[] args) throws IOException {
BufferedWriter bw = new BufferedWriter(new OutputStreamWriter(System.out));
StringBuilder sb = new StringBuilder();
int n = read() + 1, m = read();
int[] arr = new int[n];
while (n-- > 1) arr[n] = n;
while (m-- > 0) {
int i = read(), j = read(), k = arr[i];
arr[i] = arr[j];
arr[j] = k;
}
for (int i = 1; i < arr.length; i++) sb.append(arr[i]).append(" ");
bw.write(sb.toString());
bw.flush();
}
private static int read() throws IOException {
int c, n = System.in.read() & 15;
while ((c = System.in.read()) > 32) n = (n << 3) + (n << 1) + (c & 15);
return n;
}
}