4.3跳转语句

int main()
{
    cout<<"请选择副本难度"<<endl;
    cout<<"1,普通"<<endl;
    cout<<"2,中等"<<endl;
    cout<<"3,困难"<<endl;
    
    int select = 0;
    cin >> select;
    
    switch(select)
    {
    case 1:
        cout << "你选择的是普通难度" <<endl;
        break;
    case 2:
        cout << "你选择的是中等难度" <<endl;
        break;
    case 3:
        cout << "你选择的是困难难度" <<endl;
        break;
    default:
        break;
    }

    system("pause");
    
    return 0;
}

int main(){
    for(int i=0;i<=10;i++)
    {
        if(i == 5)
        {
            break;
        }
        cout<<i<<endl;
    }

    system("pause");
    return 0;
}

for(int i = 0;i<10;i++)
{
    for(int j = 0; j<10;j++)
    {
        if(j == 5)
        {
            break;
        }
        cout<<"*"<<"  ";
    }
    cout<<endl;
}

4.3.2continue语句

int main(){
    for(int i = 0;i<=100;i++)
    {
        if(i%2 == 0)
        {
            continue;//可以筛选条件，执行到此就不在向下执行
        }
        cout<<i<<endl;
    }

    system("pause");
    return 0;
}

4.3.3goto语句

int main（）{
    cout<<"1"<<endl;
    cout<<"2"<<endl;
    goto FLAG;
    cout<<"3"<<endl;
    cout<<"4"<<endl;
    FLAG:
    cout<<"5"<<endl;
    system("pause");
    return 0 ;
}

参考与致谢

• 黑马程序员匠心之作|C++教程从0到1入门编程,学习编程不再难