#include <stdio.h>

int v[1001][1001],n,i,j,k;

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",&v[i][j]);
    for(i=1;i<=n;i++)
        for(j=1;j<=n;j++)
            for(k=1;k<=n;k++)
                if(v[i][k]&&v[k][j]&&i!=j&&((v[i][j]>v[i][k]+v[k][j])||!v[i][j]))
                    v[i][j]=v[i][k]+v[k][j];
    for(i=1;i<=n;i++)
    {
        for(j=1;j<=n;j++)
            printf("%d ",v[i][j]);
        printf("\n");
    }
}