View Code of Problem 18
#include<iostream>
using namespace std;
int main()
{
int n;
while(cin>>n)
{
cout<<1+(n-2)*(n-3)/2<<endl;
}
} |
Double click to view unformatted code.
Back to problem 18
#include<iostream>
using namespace std;
int main()
{
int n;
while(cin>>n)
{
cout<<1+(n-2)*(n-3)/2<<endl;
}
} |
Double click to view unformatted code.