#include <bits/stdc++.h> using namespace std; bool cmp(char a,char b) { //大写化为小写,再比较,满足题目所要求的不区分大小写 if(a>='A'&&a<='Z') a=a-'A'+'a'; if(b>='A'&&b<='Z') b=b-'A'+'a'; return a<b; } bool isWord(char a) { if((a>='a'&&a<='z')||(a>='A'&&a<='Z...