#include <fstream>
#define INF 10000000
using namespace std;
ifstream f("royfloyd.in");
ofstream g("royfloyd.out");
int c[111][111],n;

int main(void){
    register int i,j,k;

    f>>n;
    for(i=1;i<=n;i++){
        for(j=1;j<=n;j++){
            f>>c[i][j];
            if(!c[i][j])
                c[i][j]=INF;
        }
    }

    for(k=1;k<=n;k++){
        for(i=1;i<=n;i++){
            for(j=1;j<=n;j++){
                if(i!=j && k!=i && k!=j && c[i][j]>c[i][k]+c[k][j])
                    c[i][j]=c[i][k]+c[k][j];
            }
        }
    }

    for(i=1;i<=n;i++){
        for(j=1;j<=n;j++)
            g<<(c[i][j]!=INF?c[i][j]:0)<<" ";
        g<<"\n";
    }

    f.close();
    g.close();
    return 0;
}