10813 공 바꾸기

[Rohyoohyun]

#include <stdio.h>
int main(){
    int n, m;
    scanf("%d %d", &n, &m);

    int arr[n];
    for (int i=0; i<n; i++)
        arr[i] = i+1;

    int a, b;
    for (int i=0; i<m; i++){
        scanf("%d %d", &a, &b);
        int temp = arr[b-1];
        arr[b-1] = arr[a-1];
        arr[a-1] = temp;
    }

    for (int i=0; i<n; i++)
        printf("%d ", arr[i]);

    return 0;
}