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#include <fstream>
using namespace std;
ifstream fin("royfloyd.in");
ofstream fout("royfloyd.out");
int a[105][105];
int n,i,j,k;
int main()
{
fin>>n;
for(i=0;i<n;i++)
for(j=0;j<n;j++)
fin>>a[i][j];
for(k=0;k<n;k++)
for(i=0;i<n;i++)
for(j=0;j<n;j++)
if(a[i][k]&&a[k][j]&&i!=j&&(a[i][j]>a[i][k]+a[k][j] || !a[i][j]))
a[i][j]=a[i][k]+a[k][j];
for(i=0;i<n;i++)
{
for(j=0;j<n;j++)
{fout<<a[i][j];fout<<' ';}
fout<<'\n';
}
return 0;
}