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#include <fstream>
using namespace std;
ifstream fin ("royfloyd.in");
ofstream fout ("royfloyd.out");
int n, m, i, x, y, cost, d[110][110], j,k ;
int main()
{
fin>>n;
for (i=1; i<=n; i++)
for (j=1; j<=n; j++)
fin>>d[i][j];
for (k=1; k<=n; k++)
for (i=1; i<=n; i++)
for (j=1; j<=n; j++)
if (d[i][k] && d[k][j] && i!=j)
if (d[i][j]>d[i][k]+d[k][j] || d[i][j]==0)
d[i][j]=d[i][k]+d[k][j];
for (i=1; i<=n; i++, fout<<'\n')
for (j=1; j<=n; j++)
fout<<d[i][j]<<' ';
return 0;
}