関連ワード:  do you need to return 0 in c++    do you have to return 0 in c++    why do we need return 0 in c++    why do we use return 0 in c++    what is the point of return 0 in c++    is return 0 necessary in c    what is return 0 in c++  
結果 : do you need to return 0 in c++