#include <stdio.h>
#include <stdlib.h>
int factorielle ( int n ) {
if ( n == 0 || n == 1 ) {
return 1;
}
else {
int result = 1;
int i = 0;
while (i < n) {
i = i + 1;
result = result * i;
}
return result;
}
}
int main() {
printf("%d", factorielle(5) );
return 0;
}
