题解 | 开心还是难过

#include <cstddef>
#include <iostream>
#include<string>
#include<algorithm>
#include<vector>
using namespace std;
int happy,nohappy;
string s;
string s1 = ":-(";
string s2 = ":-)";

int main() 
{
    getline(cin ,s);

    size_t pos = 0;
    while((pos = s.find(s2 , pos)) != string::npos)
    {
        happy++;
        pos += s2.length();
    }

    pos = 0;
    while((pos = s.find(s1 , pos)) != string::npos)
    {
        nohappy++;
        pos += s1.length();
    }  
    
    if(happy == 0 && nohappy == 0)
    {
        cout << "None" << endl;
    }
    else if(happy > nohappy)
    {
        cout << "Happy" << endl;
    }
    else if(happy == nohappy)
    {
        cout << "Just so so" << endl;
    }
    else if(nohappy > happy)
    {
        cout << "Sad" << endl;
    }

}
// 64 位输出请用 printf("%lld")