/in/foo.cc:1:2: error: invalid preprocessing directive #i
 #i#nclude<iostream>
  ^
/in/foo.cc: In function 'int main()':
/in/foo.cc:9:20: error: 'scanf' was not declared in this scope
  scanf("%d%d",&n,&m); 
                    ^
/in/foo.cc:18:17: error: 'printf' was not declared in this scope
   printf("%d ",i);
                 ^
/in/foo.cc:19:16: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   for(int j=1;j<=dis[i].size();j++){
               ~^~~~~~~~~~~~~~~