问题标题: 1744咋做

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朱宗晔
朱宗晔
初级光能
初级光能

 核心部分

cout <<"[1] apples\n[2] pears\n[3] oranges\n[4] grapes\n[0] Exit" << endl;
    cin >> a;
    if(a == 1) cout << "price=" << 3 << ".0" << endl;
    else if(a == 2) cout << "price=" << 2.5 << endl;
    else if(a == 3) cout << "price=" << 4.5 << endl;
    else if(a == 4) cout << "price=" << 9.5 << endl;
    else if(a != 0) cout << "price=" << 0 << endl;

 

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