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