烛龙战队密码破解：C++实现从1到指定数字求和

```cpp #include <iostream> using namespace std; // 计算从1到num的和 int sumToNum(int num) { return num * (num + 1) / 2; } int main() { int n; cin >> n; int m[100]; for (int i = 0; i < n; i++) { cin >> m[i]; } for (int i = 0; i < n; i++) { if (i > 0) { cout << " "; } cout << sumToNum(m[i]); } cout << endl; return 0; } ``` ######[AI问答 | 187点数解答 | 2026-05-23 19:21:12]