#include <stdio.h>
using namespace std;
int n, a[105][105];

void _read()
{
    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()
{

    for (int k = 1; k <= n; k++)
        for (int i = 1; i <= n; i++)
            for (int 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];
}

int main()
{
    _read();
    roy_floyd();

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

    return 0;
}