#include<stdio.h>
#define inf 10000000
int i,n,k,j,a[105][105];
int main()
{

    freopen("royfloyd.in","r",stdin);
    freopen("royfloyd.out","w",stdout);
    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)
                a[i][j]=inf;
        }
    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]&&i!=j)
                    a[i][j]=a[i][k]+a[k][j];
            }
    for(i=1;i<=n;i++)
    {

        for(j=1;j<=n;j++){
            if(a[i][j]!=inf)
                printf("%d ",a[i][j]);
            else printf("0 ");
        }
        printf("\n");

    }
    return 0;

}