CJ/Project1/test.cpp

24 lines
291 B
C++

#include<iostream>
using namespace std;
bool isPrime(int n)
{
if (n < 2) return false;
for (int i = 2; i < n; i++)
{
if (n % i == 0) return false;
}
return true;
}
int main()
{
int n;
cin >> n;
for (int i = 2; i <= n; i++)
{
if (isPrime(i)) cout << i << " ";
}
return 0;
}