#include<iostream> using namespace std; int main() { int a=9; auto fun1=[=]()mutable{return ++a;}; cout<<“fun1:”<<fun1()<<endl; cout<<“a:”<<a<<endl; auto fun2=[=]{return a+1;}; auto fun3=[&]{return a+1;}; cout<<“0 fun2:”<<fun2()<<endl; cout<<“0 fun3:”<<fun3()<<endl; ++a; cout<<“++a执行之后的值”<<endl; cout<<“1 fun2:”<<fun2()<<endl; cout<<“1 fun3:”<<fun3()<<endl; return 0; } 若运行程序，请选出表达正确的选项。
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#include<iostream> using namespace std; int main() { int a=9; auto fun1=[=]()mutable{return ++a;}; cout<<"fun1:"<<fun1()<<endl; cout<<"a:"<<a<<endl; auto fun2=[=]{return a+1;}; auto fun3=[&]{return a+1;}; cout<<"0 fun2:"<<fun2()<<endl; cout<<"0 fun3:"<<fun3()<<endl; ++a; cout<<"++a执行之后的值"<<endl; cout<<"1 fun2:"<<fun2()<<endl; cout<<"1 fun3:"<<fun3()<<endl; return 0; }
若运行程序，请选出表达正确的选项。
B不对吧？？
24:24
以上就是关于问题#include<iostream> using namespace std; int main() { int a=9; auto fun1=[=]()mutable{return ++a;}; cout<<“fun1:”<<fun1()<<endl; cout<<“a:”<<a<<endl; auto fun2=[=]{return a+1;}; auto fun3=[&]{return a+1;}; cout<<“0 fun2:”<<fun2()<<endl; cout<<“0 fun3:”<<fun3()<<endl; ++a; cout<<“++a执行之后的值”<<endl; cout<<“1 fun2:”<<fun2()<<endl; cout<<“1 fun3:”<<fun3()<<endl; return 0; }
若运行程序，请选出表达正确的选项。的答案
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