#include<stdio.h>
#define maxx 102
#define inf 999999999
using namespace std;

int a[maxx][maxx],n;

void cit()
{
    int i,j,x;

    scanf("%d",&n);

    for(i=1;i<=n;i++)
      for(j=1;j<=n;j++)
        scanf("%d",&x),a[i][j]=x;


   /*for(i=1;i<=n;i++)
     for(j=1;j<=n;j++)
        if(i!=j)
           a[i][j]=-inf;
        else
           a[i][j]=0;*/
}



void roy()
{
    int i,j,k;

    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]) && i!=j)
                    a[i][j]=a[i][k]+a[k][j];

}




void afis()
{
    int i,j;

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

        printf("\n");
     }

}



int main()
{
    freopen("royfloyd.in","r",stdin);
    freopen("royfloyd.out","w",stdout);

    cit();
    roy();
    afis();

    fclose(stdin);
    fclose(stdout);
    return 0;
}