#include <cstdio>
#define NMAX 107
FILE *fin, *fout;
using namespace std;
int n, mat[NMAX][NMAX];
void citire()
{
    scanf("%d", &n);
    for(int i = 1; i<= n; ++i)
    {
        for(int j = 1; j<= n; ++j)
        {
            scanf("%d", &mat[i][j]);
        }
    }
}
void royfloyd()
{
    for(int k = 1; k<= n; ++k)
        for(int i = 1; i<= n; ++i)
            for(int j = 1; j<= n; ++j)
                if((((mat[i][k] + mat[k][j] < mat[i][j]) && mat[i][j]) || (mat[i][j] == 0 && i!= j)) && mat[i][k] && mat[k][j]) mat[i][j] = mat[i][k] + mat[k][j];
}
void afisare()
{
    for(int i = 1; i<= n; ++i)
    {
        for(int j = 1; j<= n; ++j)
        {
            printf("%d ", mat[i][j]);
        }
        printf("\n");
    }
}
int main()
{
    fin = freopen("royfloyd.in", "r", stdin);
    fout = freopen("royfloyd.out", "w", stdout);
    citire();
    royfloyd();
    afisare();
    fclose(fin);
    fclose(fout);
    return 0;
}