var f,g:text;
v:array[1..100,1..100] of integer;
i,n,j,k:integer;
begin
assign(f,'royfloid.in');
reset(f);
assign(g,'royfloid.out');rewrite(g);
readln(f,n);
for i:=1 to n do
for j:=1 to n do
read(f,v[i,j]);
for k:=1 to n do
for i:=1 to n do
for j:=1 to n do
   if ((v[j,k]+v[j,i]<v[i,k]) and(v[i,j]>0) and (v[j,i]>0)) or ((k<>j) and (v[j,k]=0)and (v[j,i]>0)and (v[i,k]>0)) then
      v[j,k]:=v[j,i]+v[i,j];
for i:=1 to n do
begin
for j:=1 to n do
    write(g,v[i,j],' ');
    writeln(g);
end;
close(g);
end.