>#include
using namespace std;
intmain()
this (") is a quote, and this (\) is a backlash.
#include
using namespace std;
intmain()
#include
using namespace std;
intmain()
#include
using namespace std;
intmain()
"<< endl;
return0;
}
輸出結果:
這裡有個問題,\n和endl有什麼區別???
不是,主函式缺少大括號,函式體必須用花括號括起來# include
int main() std::cout << "hello, world!" << std::endl;
是有效,一般來說函式最有有乙個return 語句;# include
int main() }}}}
main函式比較特殊,可以沒有return語句,編輯器預設返回0
int main(){}
#include
using
namespace
std;
intmain()
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