缘由https://ask.csdn.net/questions/7892183
cpp
`void 给定英文字符串统计最多小写最前输出()
{//缘由https://ask.csdn.net/questions/7892183 ThisIsAGoodBook!*
int a[26]{}, n = 26, d = 0;
char x = 0;
dr:if (cin >> x)
{
if (x >= 'a'&&x <= 'z')++a[x - 'a'];
if (x == '*');else goto dr;
}
sc:if (n--){ if (a[d] <= a[n]) d = n; goto sc; }
cout << (char)(d + 'a') << "\n";
}`
