#include <stdio.h>
#define N 20
int main (void)
{
int j;
int f[N + 3];

f[0] = 1;
f[1] = 1;

for (j = 0; j <= N; j++){
f[j + 2] = f[j + 1] + f[j];
printf("f%d:%d\n",j,f[j]);
}

return (0);
}

無理矢理