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