一种与众不同的题解

#include <iostream>
#include <cstring>
using namespace std;
void str(){
    string s;
    bool flag = true;
    while(cin >> s){
        if(flag == true){
            cout << s.length();
            flag = false;
        }else{
            cout << "," << s.length();
        }
    }
    return ;
}
int main(){
    str();
    return 0;
}