ikarus/benchmarks/src/ack.c

23 lines
445 B
C

#include <stdio.h>
int ack(int m, int n) {
if (m == 0)
return n+1;
else if (n == 0)
return ack(m-1, 1);
else
return ack(m-1, ack(m, n-1));
}
int main(int argc, char **argv)
{
int m = 3, n = 9;
if (argc > 1)
m = atoi(argv[1]);
if (argc > 2)
n = atoi(argv[2]);
printf("%d\n", ack(m, n));
return 0;
}