#include<stdio.h>
#include<algorithm>
using namespace std;

FILE *fin,*fout;
int n;
int a[101][101];

int main()
{
    fin=fopen("royfloyd.in","r");
    fout=fopen("royfloyd.out","w");
    fscanf(fin,"%d",&n);

    for(int i=1;i<=n;i++)
    {
        for(int j=1;j<=n;j++)
        {
            fscanf(fin,"%d",&a[i][j]);
        }
    }

    for(int k=1;k<=n;k++)
    {
        for(int i=1;i<=n;i++)
        {
            for(int j=1;j<=n;j++)
            {
                if(i!=j)
                {
                    if(a[i][k]!=0&&a[k][j]!=0)
                    {
                        a[i][j]=min(a[i][j],a[i][k]+a[k][j]);
                    }
                    else if(a[i][j]==0)
                    {
                        a[i][j]=a[i][k]+a[k][j];
                    }
                }
            }
        }
    }

    for(int i=1;i<=n;i++)
    {
        for(int j=1;j<=n;j++)
        {
            fprintf(fout,"%d ",a[i][j]);
        }
        fprintf(fout,"\n");
    }
}