2_Lab04_4.c

#include <stdio.h>

int main() {
    int n, m, a, b, t, e[100];
    scanf("%d %d", &n, &m);

    for (int i = 0; i < n; i++) {
        e[i] = i + 1;
    }

    for (int i = 0; i < m; i++) {
        scanf("%d %d", &a, &b);

        t = e[a - 1];

        e[a - 1] = e[b - 1];

        e[b - 1] = t;
    }

    for (int i = 0; i < n; i++) {
        printf("%d ", e[i]);
    }
    return 0;
}