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