include<iostream>

#include <iostream>(30326)#include <string>using namespace std;int main() {    char *str;    char strName[50] = {0};    int lenth =0;    cin.getline(strName,sizeof(strName));    str=strName;    while(*str!=)    {        lenth++;        str++;    }    cout<<lenth<<endl;}C++  cin>>>如果都是string类型 那就getline(cin,str)吧如果有char这种  那就cin.getline(str,sizeof(str))吧