program aglha;
var f,g:text;
    a:array[1..100,1..100] of longint;
    i,j,k,n:integer;

begin
 assign (f,'royfloyd.in'); reset (f);
 assign (g,'royfloyd.out'); rewrite (g);
 readln (f,n);
 for i:=1 to n do
 begin
  for j:=1 to n do
  begin
   read (f,a[i,j]);
   if (a[i,j]=0) and (i<>j) then
    a[i,j]:=maxlongint;
  end;
  readln (f);
 end;
 for k:=1 to n do
  for i:=1 to n do
   for j:=1 to n do
    if a[i,j]>a[i,k]+a[k,j] then
     a[i,j]:=a[i,k]+a[k,j];
   for i:=1 to n do
   begin
    for j:=1 to n do
    begin
     if a[i,j]=maxlongint then
      a[i,j]:=0;
     write (g,a[i,j],' ');
    end;
    writeln (g);
   end;
   close (f); close (G);
end.