版权声明:作者:Valarjin https://blog.csdn.net/weixin_42125215/article/details/88749304
倒三角 问题 C++解法
输入正整数n≤20,输出一个n层的倒三角形。例如,n=5时输出如下:
//倒三角
#include<iostream>
using namespace std;
int main()
{
int n, m = 0;
cin >> n;
for (int i = n * 2 - 1; i >= 1; i = i - 2) {
for (int k = 0; k < m; k++) { cout << " "; }
for (int j = 0; j < i; j++) {
cout << "#";
}
m++;
cout << endl;
}
system("pause");
return 0;
}