#include <stdio.h>
void f(double t1[], double t2[], double t3[], double size)
{
    int i, y;
    for (i = 0; i < size; i++) {
        y = t2[i];
       
        t1[i] = t3[i];
        t2[i] = t1[i];
        t3[i] = y;
        printf("%lf\n%lf\n%lf\n", t1[i], t2[i], t3[i]);
    }
}
int main()
{
    double t1[] = { 1, 2, 3 };
    double t2[] = { 2, 3, 4 };
    double t3[] = { 5, 6, 7 };
    f(t1, t2, t3, 3);
    return 0;
}