fork(2) download
#include <stdio.h>

int calc(int s, int l, int* c)
{
  if (l==0)
    printf("access to c[0]\n");
  if (l < 2) return s % c[l] ? 0 : 1;
  if (s < c[l]) return calc(s,l-1, c);
  return calc(s,l-1,c) + calc(s-c[l],l,c);
}

int main(void) {
	int cents[] = {0, 1, 2, 5, 10};
	const int size = sizeof(cents)/sizeof(cents[0]);
	for (int s = 0; s < 10; s++)
	{
		cents[0] = s;
		printf("%d => %d\n", s, calc(s, size-1, cents));
	}
	return 0;
}
Success #stdin #stdout 0s 4508KB
stdin
Standard input is empty
stdout
0 => 1
1 => 1
2 => 2
3 => 2
4 => 3
5 => 4
6 => 5
7 => 6
8 => 7
9 => 8