#include <stdio.h>
#include <stdlib.h>

int main()
{
    freopen("royfloyd.in","r",stdin);
    freopen("royfloyd.out","w",stdout);
    int n, a[101][101],i,j,k;
    for(i=0,scanf("%d",&n);i<n;i++)
        for(j=0;j<n;j++)
            scanf("%d",&a[i][j]);
    for(k=0;k<n;k++)
        for(i=0;i<n;i++)
            for(j=0;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];
            }
    for(i=0;i<n;i++)
    {
        for(j=0;j<n;j++)
            printf("%d ",a[i][j]);
        printf("\n");
    }
    return 0;
}