#include<stdio.h>int chars[100][2] = {};//每行要出现的字符编码
int main() {int line;char start;char c, c1;scanf("%d %c",&line,&start);//输出多少行for (int i = 0; i < line; i++) {c ='A'+ (start-'A' + i)%26;c1 = 'A' + (start - 'A' + 2*line-i-2) % 26;		//左边空格是 0  1  2 3 4for (int j = 0; j < i; j++)printf(" ");printf("%c", c);//中间空格 4 3 2 1for (int j = 0; j <(line-i-1)*2-1; j++) {printf(" ");}if (i != line - 1) {printf("%c", c1);}printf("\n");}}