var n,i,j,k:longint;
a:array[1..100,1..100] of byte;
f,g:text;
begin
assign(f,'royfloyd.in');reset(f);
assign(g,'royfloyd.out');rewrite(g);
read(f,n);
for i:=1 to n do
for j:=1 to n do
read(f,a[i,j]);
readln(f);
if a[i,j]=0 then a[i,j]:=0;
for i:=1 to n do
    for j:=1 to n do
        for k:=1 to n do
if a[i,k]+a[k,j]<a[i,j] then a[i,j]:=a[i,k]+a[k,j]
                        else a[i,j]:=a[j,k]+a[k,i];
for i:=1 to n do begin
for j:=1 to n do begin
write(g,a[i,j],' ');
end;
writeln(g);
end;
close(f);
close(g);
end.