14551번: Card Game Contest

#include <stdio.h>

int main()

{

int n, m, num = 1;

scanf("%d %d", &n, &m);

for (int i = 0, temp; i < n; ++i)

{

scanf("%d", &temp);

temp = (temp == 0) ? 1 : temp;

num = (num * temp) % m;

}

printf("%d", num%m);

}