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#include <fstream>
#define MAX 110
#define INF 20000000
using namespace std;
ifstream fin("royfloyd.in");
fstream fout("royfloyd.out");
int a[MAX][MAX],n;
void citire();
void rf();
void afisare();
int main()
{
citire();
rf();
afisare();
return 0;
}
void citire()
{
int i,j;
fin>>n;
for(i=1;i<=n;i++)
for(j=1;j<=n;j++)
a[i][j]=INF;
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(k!=i&&k!=j&&i!=j)
{
a[i][j]=min(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++)
if(a[i][j]==INF)
fout<<0<<' ';
else
fout<<a[i][j]<<' ';
fout<<endl;
}
}