#include <iostream>
#include <cstdio>
using namespace std;

const int dmax = 100;

int A[dmax + 1][dmax + 1];

int N;

void citire()
{
    freopen("royfloyd.in", "r", stdin);
    freopen("royfloyd.out", "w", stdout);

    int i, j;

    scanf("%d", &N);
    for(i = 1; i <= N; i++)
        for(j = 1; j <= N; j++) scanf("%d", &A[i][j]);
}

void roy_floyd()
{
    int i,j,k;

    for(k = 1; k <= N; k++)
        for(i = 1; i <= N; i++)
            for(j = 1; j <= N; j++)
                if(A[i][k] && A[k][j] && (A[i][j] > A[i][k] + A[k][j] || !A[i][j]) && i != j) A[i][j] =  A[i][k] + A[k][j];
}

void afisare()
{
    int i, j;

    for(i = 1; i <= N; i++)
    {
        for(j = 1; j <= N; j++) printf("%d ", A[i][j]);
        printf("\n");
    }
}

int main()
{
    citire();
    roy_floyd();
    afisare();

    return 0;
}