#include <stdio.h>
#include <stdlib.h>

int n,a[105][105];


void citire()
{
    freopen("royfloyd.in","r",stdin);
    freopen("royfloyd.out","w",stdout);

    int i, j;
    scanf("%d",&n);
    for (i = 0; i <= n-1; i++)
        for (j = 0; j <= n-1; j++)
              scanf("%d",&a[i][j]);
}

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

    for (k=0; k<=n-1; k++)
       for (i=0; i<=n-1; i++)
          for (j=0; j<=n-1; j++)
              if ((a[i][j] > a[i][k]+ a[k][j] || a[i][j]==0) && i!=j)
                   a[i][j]=a[i][k]+ a[k][j];
}



void afisare()
{
    int i, j;

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


int main()
{
    citire();
    roy_floyd();
    afisare();
    return 0;
}