#include <stdio.h>

int n, a[105][105];

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

int main()
{
    freopen("royfloyd.in","rt",stdin);
    freopen("royfloyd.out","wt",stdout);

    read_input();
    roy_floyd();
    write_output();

    return 0;
}