foo.cpp: In function 'long long int getlong()':
foo.cpp:12:32: warning: suggest parentheses around '+' inside '<<' [-Wparentheses]
  while(isdigit(c))ret=((ret<<2)+ret<<1)+c-'0',c=getchar();
                        ~~~~~~~~^~~~
foo.cpp: In function 'int main()':
foo.cpp:49:36: warning: format '%d' expects argument of type 'int', but argument 2 has type 'long long int' [-Wformat=]
   if(!(cnt%t))printf("%d ",maxx+now);//cout<<que[1].front()<<" "<<que[2].front()<<" "<<que[3].front()<<endl;
                                    ^