#include
int main() {
const int N = 5;
int arr1[N] = {0, 0, 0, 0, 0};
const int arr2[] = {1, 1, 1, 1, 1};
for (int i = 0; i < N; ++i) {
arr1[i] = i + arr2[i];
}
int fatorial = 1;
for (int i = 0; i < N; ++i) {
fatorial *= arr1[i];
}
assert(fatorial == 120);
return 0;
}