#include <stdio.h>
using namespace std;
int a[101][101];
int main()
{
    freopen("royfloyd.in","r",stdin);
    freopen("royfloyd.out","w",stdout);
    int n, i, j, k;
    scanf("%d",&n);
    for(i=1;i<=n;i++) {
        for(j=1;j<=n;j++) {
            scanf("%d",&a[i][j]);
            if(a[i][j] == 0 && i!=j)
             a[i][j] = 999999999;
        }
    }
    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][j] = a[i][k]+a[k][j];
            }
        }
    }
    for(i=1;i<=n;i++) {
        for(j=1;j<=n;j++)
            printf("%d ",a[i][j]);
    printf("\n");
    }
}