輸入描述
輸入一個大寫字母與一個整數n，1 <= n <= 26

輸出描述
輸出如下高度為2n - 1的菱形；

注意：A的下一個字母是B，Z的下一個字母是A

樣例輸入
R 12

樣例輸出

#include<iostream>
using namespace std;

int main(){
	char m;
	int n;
	cin >> m >> n;
	for (int i = 1; i <= n; i++){
		for (int j = 1; j <= (2*n-1-(2*i-1))/2; j++
 
)
			cout << " ";
		cout << m ;
		for (int j = 1; j <= 2 * (i - 1) - 1; j++)
			cout << " ";
		while (i != 1){
			cout << m; break;
		}
		if (m == 'z')
			m = 'a';
		else if (m == 'Z')
			m = 'A';
		else
			m++;
		for (int j = 1; j <= (2 * n - 1 - (2 * i - 1)) / 2; j++)
			cout <<
 
 " ";
		cout << endl;
	}
	for (int i = 0; i < 2; i++){//將m減減兩次
		if (m == 'a')
			m = 'z';
		else if (m == 'A')
			m = 'Z';
		else
			m--;
	}
	for (int i = 1; i <= n - 1; i++){
		for (int j = 1; j <= i; j++)
			cout << " ";
		cout << m;
		for (int j=2*(n-1-i)-1; j>=1; j--)
 

			cout << " ";
		while (i != n - 1){
			cout << m; break;
		}
		if (m == 'a')
			m = 'z';
		else if (m == 'A')
			m = 'Z';
		else
			m--;
		for (int j = 1; j <= i; j++)
			cout << " ";
		cout << endl;
	}
return 0;
}