代码:

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#include <iostream>


int main()
{
    using std::cout;
    using std::cin;
    
    int MetsScore, YankeesScore;
    cout << "Enter the score for the Mets: ";
    cin >> MetsScore;
    
    cout << "\nEnter the score for Yankees: ";
        cin >> YankeesScore;
    
    cout << "\n";
    
    if (MetsScore > YankeesScore)
       cout << "Let's Go Mets!\n";
    
    if (MetsScore < YankeesScore)
    { 
       cout << "Go Yankees!\n";
    }
    
    if (MetsScore == YankeesScore)
    {
        cout << "A tie ? Naah,can't be.\n";
        cout << "Give me the real score for the Yanks:12 ";
        cin >> YankeesScore;
        
        if (MetsScore > YankeesScore)
          cout << "Knew it! Let's Go Mets!";
        
        if (YankeesScore > MetsScore)
        cout << "Knew it! Go Yanks!";
        
        if (YankeesScore == MetsScore)
        cout << "Wow, it really was a tie!";
    }
    
    cout << "\nThanks for telling me.\n";
return 0;
}//小括号改为花括号 

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