#include <string> #include<iostream> using namespace std; void compareStrings(string A, string B) {         // write your code here         int index[26];         for (int i = 0; i < A.length(); i++) {             index[A[i] - 'A']++;         }         for (int i = 0; i < B.length(); i++) {             index[B[i] - 'A']--;             if(index[B[i] - 'A'] < 0){                 cout<<"false";             }         }         cout<<"true";     } int main(){     string a,b;     cin>>a>>b;     compareStrings(a,b);     return 0; } 第一题我这样写，不知道为什么只有60%case通过