10813번, 공 바꾸기

#include <stdio.h>
int main(){
    int arr[100];
    int i, j, n, m, temp;
    scanf("%d %d", &n, &m);
    for (int k = 1; k <= n; k++){
        arr[k] = k;
    }
    for (int k = 0; k < m; k++){
        scanf("%d %d", &i, &j);
        temp = arr[i];
        arr[i] = arr[j];
        arr[j] = temp;
    }
    for (int k = 1; k <= n; k++){
        printf("%d ", arr[k]);
    }
}