#include<iostream> #include<string> using namespace std; bool compare(int C, int W); //C表示输入的字符,W表示字符串; int main(){ string word; char s; int i=0, j=0; getline(cin,word); cin>>s; int len = word.length(); for(; i<len; i++){ if(compare(s, word[i])) j++; } cout<<j; return 0; }...