#include<fstream>
using namespace std;
ifstream f("royfloyd.in");
ofstream g("royfloyd.out");
int a[105][105];

int main()
{
    int n,i,j,k;
    f>>n;
    for(i=1;i<=n;i++)for(j=1;j<=n;j++)f>>a[i][j];
    //for(i=1;i<=n;i++){for(j=1;j<=n;j++)g<<a[i][j]<<" ";g<<endl;}
    for(k=1;k<=n;k++)
        for(i=1;i<=n;i++)
            for(j=1;j<=n;j++)
                if(i!=j&&k!=j)
                    if(a[i][k]&&a[k][j])
                        if(a[i][k]+a[k][j]<a[i][j]||!a[i][j])a[i][j]=a[i][k]+a[k][j];

    for(i=1;i<=n;i++){for(j=1;j<=n;j++)g<<a[i][j]<<" ";g<<endl;}
    return 0;
}