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#include <fstream>
#define nmax 103
#define inf 0x3f3f3f3f
using namespace std;
int a[nmax][nmax],n;
ifstream fin("royfloyd.in");
ofstream fout("royfloyd.out");
void citire()
{
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)
a[i][j]=inf;
}
}
void rezolv()
{
for(int k=1;k<=n;k++)
for(int i=1;i<=n;i++)
for(int j=1;j<=n;j++)
if(a[i][k]+a[k][j]<a[i][j])
a[i][j]=a[i][k]+a[k][j];
}
void afisare()
{
for(int i=1;i<=n;i++)
{
for(int j=1;j<=n;j++)
if(a[i][j]==inf||i==j)
fout<<0<<" ";
else
fout<<a[i][j]<<" ";
fout<<"\n";
}
}
int main()
{
citire();
rezolv();
afisare();
return 0;
}