#include <iostream>
int main()int main{ std::cout << "Hello World!\n"; return 0;}我看了课程这应该是对的,可是不知道为什么就是出错了!
#include <iostream> 不是都有 .h 么int main 重复了
int main()int main(){std::cout << "Hello World!\n";return 0;}同样失败!#include <iostream>
int main(){std::cout << "Hello World!\n";return 0;}还是失败