初学者,一些简单的,if while for之类的
自己写的,有点烂,错的离谱
#include
using namespace std;
int main()
{
int sum=0, n, a=1;
cin >> n;
for (a = 1; a <= n; a++)
{
a = 1 / (3 * n - 2);
sum = sum + a;
}
cout << "sum=" << sum<<endl;</span><br /><span style="display:inline-block;text-indent:2em;"> return 0;
}