题解 | 尼科彻斯定理
尼科彻斯定理
https://www.nowcoder.com/practice/dbace3a5b3c4480e86ee3277f3fe1e85
#include <iostream>
using namespace std;
int main() {
int n;
cin >> n;
int start = n * n - (n - 1);
cout << start;
for (int i = 1; i < n; ++i) {
cout << '+' << start + 2 * i;
}
return 0;
}