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#include <fstream>
using namespace std;
int n,a[101][101];
ifstream fin("royfloyd.in");
ofstream fout("royfloyd.out");
int main(){
fin>>n;
for(int i=1;i<=n;i++)
for(int j=1;j<=n;j++){
fin>>a[i][j];
if(a[i][j]==0 && i!=j)
a[i][j]=1000000000;}
for(int k=1;k<=n;k++)
for(int i=1;i<=n;i++)
for(int j=1;j<=n;j++)
{
if(i!=j)
if(a[i][k]+a[k][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<<'\n';
}
return 0;
}