#include<iostream> using namespace std; int main() { int n; while (1) { cout << "输入一个数n\n"; cin >> n; if (n > 9 || n < 1) { cout << "输入数据不在要求范围内\n"; return 0; } for (int i = 1; i <= n; i++) { for (int j = 1; j < n; j++) { cout << " "; } for (int j = 0; j < n - i; j++) { cout << " "; } for (int j = 0; j < 2 * i - 1; j++) { cout << "*"; } cout << endl; } for (int i = 1; i <= n - 1; i++) { for (int j = 0; j < n - 1; j++) { cout << " "; } for (int j = 1; j < i + 1; j++) { cout << " "; } for (int j = 1; j <= 2 * n - 1 - 2 * i; j++) { cout << "*"; } cout << endl; } } return 0; } |
Double click to view unformatted code.