为什么这段程序崩溃了呢

Question

为什么这段程序会崩溃呢

```c++
#include <iostream>
#include <string>
using std::string;
struct  ROLE
{
    string id;
        int exp;
};
int main()
{
    int count=0;
    int s_begin_id=0;
    int s_end_0=0;
    string strData="id=tonyclare;exp=9532;id=sunny;exp=4214;id=simplle;exp=2134;id=tom;exp=234;";
    for (int i=0;i<strData.length();i++)
    {
        if (strData[i]==';')
        {
            count++;
        }
    }
    count=count/2;
    struct ROLE *pRole=new ROLE[count];
    for (int i=0;i<count;i++)
    {
    
    int s_begin_id=strData.find("id=",s_begin_id);
    int s_end_0=strData.find(";",s_begin_id);
    string strOut_id=strData.substr(s_begin_id+3,s_end_0-s_begin_id-3);
    pRole[i].id=strOut_id;
    s_begin_id=s_begin_id+3;
    std::cout<<pRole[i].id<<std::endl;
    }
    
    system("pause");
    return 0;
}

```

Answer 1

int s_begin_id=strData.find("id=",s_begin_id);
    int s_end_0=strData.find(";",s_begin_id);
这两行错了啊， 这两个变量在main开头部分已经定义了，这里不要再定义一次啊，去掉开头的int就好了