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#include <fstream>
#define inf 200000000
using namespace std;
int a[101][101], n, i, j, k;
int main()
{
ifstream fin ("royfloyd.in");
ofstream fout ("royfloyd.out");
fin>>n;
for (i=1; i<=n; i++)
for (j=1; j<=n; j++)
{
fin>>a[i][j];
if (a[i][j]==0 && i!=j)
a[i][j]=inf;
}
for (i=1; i<=n; i++)
for (j=1; j<=n; j++)
for (k=1; k<=n; k++)
if (a[j][k]>a[j][i]+a[i][k])
a[j][k]=a[j][i]+a[i][k];
for (i=1; i<=n; i++, fout<<"\n")
for (j=1;j<=n;j++)
fout<<a[i][j]<<" ";
}