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