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