提交时间:2026-04-17 16:39:28

运行 ID: 316893

#include<bits/stdc++.h> using namespace std; int main() { int n; cin >> n; for (int i = 1; i <= n; i++) { for (int j = 1; j < i; j++) { cout << " "; } for (int j = 1; j <= n - i + 1; j++) { cout << "*"; } cout << endl; } return 0; }