救救孩子吧
孩子不知道这个代码哪里出问题了
#include <iostream>
using namespace std;
int main()
{
string s1,s2;
cin >> s1;
cin >> s2;
for(int i = 0;i < min(s1.length(),s2.length());i++){
if(s1.at(i) != s2.at(i)){
cout << abs(s1.at(i) - s2.at(i)) << endl;
return 0;
}
}
if(s1.length() > s2.length()){
cout << abs(s1.at(s1.length() - 1) - '\0') << endl;
}else if(s1.length() < s2.length()){
cout << abs(s2.at(s2.length() - 1) - '\0') << endl;
}else{
cout << 0 << endl;
}
return 0;
}