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c++ - 如何返回 0 并终止函数?

转载 作者:行者123 更新时间:2023-11-28 07:41:04 25 4
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<分区>

下面我希望程序在function2中如果“condition”小于3就退出,但此时只是继续执行switch语句后的代码。我如何着手实现我的目标?

#include <iostream>

using namespace std;

int main ()
{
string answer;
int selection;

do
{
cin >> selection;

switch(selection)
{
case 1:
function1();
break;

case 2:
function2();
break;

default:
break;
}

cout << "Anything else?" << endl;
cin >> answer;

}while(!(answer == "no"));

return 0;
}

void function1()
{
//do stuff
}

int function2()
{
int condition;

cin >> conditon;

if(condition < 3)
{
cout << "That's an error." << endl;
return 0;
}
return 0;
}

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