Switch Game

#include <cstdio>
int main()
{
int n;
while(scanf("%d", &n) != EOF)
{
int k = 0;
for(int i = 1; i <= n; ++ i)
if(n % i == 0) k ++;
if(k % 2 == 0) printf("0\n");
else printf("1\n");
}
return 0;
}

#include <cstdio>
int main()
{
int n;
while(scanf("%d", &n) != EOF)
{
int k = 0;
for(int i = 1; i <= n; ++ i)
if(n % i == 0) k ++;
if(k % 2 == 0) printf("0\n");
else printf("1\n");
}
return 0;
}