C++关于包含所有头文件的表示

#include<bits/stdc++.h>包含了目前c++所包含的所有头文件

对比：

include

include

include

include

include

include

include

include

include

include

include

include

include using namespace std;

int main(){

return 0;

}

可以直接转化为：

include<bits/stdc++.h>

using namespace std;

int main()

return 0;

}