Question

write a program to print 1,2,-3,4,5,-6,....,nth term.

Answer 1

#include <iostream>

using namespace std;

void
main(void){
int n = 0;
cout << "Please, enter n = ";

cin >> n;
for(int i = 0; i <= n; ++i)
{
& if ((i
% 3) == 0)
& cout << -i;
& else
& cout
<< i;
& cout << ",";
}
cout << "\nInput
0 and press Enter exit...";
cin >> n;
}