题解 | #牛牛的字符菱形#

#include <iostream>
using namespace std;

#define N 5
int main(){
	//打印空格
	int i,j;
    char ch;
    cin >>ch;
	for (i = 0;i < N/2;i++){
		for (j = 0; j < N/2-i;j++){
			cout<<" ";
		}
		for (j = 0;j < 2*i+1;j++){
			cout<<ch;
		}
		cout<<endl;
	}
	for (i;i >=0;i--){
		for (j = 0; j < N/2-i;j++){
			cout<<" ";
		}
		for (j = 0;j <2*i+1;j++){
			cout<<ch;
		}
		cout<<endl;
	}
}