#include <iostream.h>

void main()

{

cout << "輸入n:";

int n;

cin >> n;

int nCount = 0;

for (int i=1; i<n; i++)

{

nCount = i*i;

if (nCount > n)

{

nCount = (i-1)*(i-1);

break;

}

}

cout << "平方值不超過" << n << "的正整數: " << nCount <<endl;

}

/*

//如果你用的是VS2005

#include <iostream>

using namespace std;

int main()

{

int n;

cout<<"請輸入n的值"<<endl;

cin>>n;

for(int i=1;i<=n;i++)

{

if(i*i<=n) cout<<i<<"的平方不超過"<<n<<endl;

}

return 0;

}*/