#include <fstream>

using namespace std;

ifstream cin("royfloyd.in");
ofstream cout("royfloyd.out");

const int inf = 1e9;

int main()
{
int a[105][105],n,m;
cin>>n;
for(int i=1;i<=n;i++)
for(int j=1;j<=n;j++)
if(i==j) a[i][j]=0;
else a[i][j]=inf;
int i, j, x;
for(i=1;i<=n;i++)
for(j=1;j<=n;j++)
{cin>>x;
if(x!=0) a[i][j]=x;
}
for(int k=1;k<=n;k++)
for(i=1;i<=n;i++)
for(j=1;j<=n;j++)
if(a[i][j]>a[i][k]+a[k][j]) a[i][j]=a[i][k]+a[k][j];
for(i=1;i<=n;i++)
{for(j=1;j<=n;j++)
cout<<a[i][j]<<" ";
cout<<endl;
}
    return 0;
}