/in/foo.cc: In function 'int main()':
/in/foo.cc:11:25: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d %d",&n,&m);
                         ^
/in/foo.cc:13:55: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf("%d %s",&people[i].direct,people[i].job);
                                                       ^
/in/foo.cc:44:29: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf("%d %d",&d,&c);
                             ^