九度OJ 1006 ZOJ

#include <iostream>
#include <string>
using namespace std;
int getO(string str,int &start,char ch)
{
    int count=0;
    for(;start<str.length();start++)
    {
        if(str[start] == ‘o‘)
        {
           count++;
        }
        else if(str[start]==ch)
        {
            start++;
            return count;
        }
        else
            return INT_MIN;
    }
    return INT_MIN;
}
int main()
{
    string str;
    while(cin>>str)
    {
        //char c = str.at(1);
        //cout<<c;//input abc,  return b

        //cout<<str.capacity()<<endl;//return str‘s size,but must be 4n;
        //str.clear();
        //cout<<str;
        //cout<<str.compare("abc");//same as strcmp()
        //cout<<str.find_first_of(‘o‘);//find first pos of ‘o‘
        //cout<<str.append("abc");//add "abc" after str
        //cout<<*str.begin();//same as begin() in vector,so is end()
        //int flag = str.find("ab");//return the pos of "ab" in str,-1 will return if not find
        //cout<<str.length()<<endl;//return str‘s length,example:"abc"->3

        //str.erase(str.begin());//remove the char which is pointed by iterator
        //cout<<str.find_last_of(‘o‘)<<endl;//find last pos of char
        //str.push_back(‘a‘);//pushback one char

        str.push_back(‘x‘);
        int pos1 = str.find("z");
        int pos2 = str.find("j");
        int start = 0;
        int a = getO(str,start,‘z‘);
        int b = getO(str,start,‘j‘);
        int c = getO(str,start,‘x‘);
       // cout<<a<<b<<c<<endl;
       
        if(a==INT_MIN || b==INT_MIN || c==INT_MIN || b==0)
        {
            cout<<"Wrong Answer"<<endl;
            continue;
        }
        c-=(b-1)*a;
        if(a==c)
            cout<<"Accepted"<<endl;
        else
            cout<<"Wrong Answer"<<endl;
    }

    return 0;
}