#include<cstdio>
#include<algorithm>
using namespace std;
FILE*in=fopen("royfloyd.in","r");
FILE*out=fopen("royfloyd.out","w");
const int INF=1000000009;
int n,m[104][104],ras[104][104],i,j,k;
int main()
{
    fscanf(in,"%d",&n);
    for(i=1;i<=n;i++)
    {
        for(j=1;j<=n;j++)
        {
            fscanf(in,"%d",&m[i][j]);
            if(m[i][j]==0&&i!=j)
            {
                m[i][j]=INF;
            }
        }
    }
    for(k=1;k<=n;k++)
    {
        for(i=1;i<=n;i++)
        {
            for(j=1;j<=n;j++)
            {
                m[i][j]=min(m[i][j],m[i][k]+m[k][j]);
            }
        }
    }
    for(i=1;i<=n;i++)
    {
        for(j=1;j<=n;j++)
        {
            if(m[i][j]==INF)
            {
                fprintf(out,"0 ");
            }
            else
            {
                fprintf(out,"%d ",m[i][j]);
            }
        }
        fprintf(out,"\n");
    }
}