#include <stdio.h>
int n,a[105][105];
void r()
{freopen("royfloyd.in","r",stdin);
freopen("royfloyd.out","w",stdout);
int i,j;
scanf("%d",&n);
for(i=1;i<=n;i++)
for(j=1;j<=n;j++) scanf("%d",&a[i][j]);}
void rf()
{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][k]+a[k][j]||!a[i][j])&&i!=j)a[i][j]=a[i][k]+a[k][j];}
void p()
{int i,j;
for(i=1;i<=n;i++) 
{for(j=1;j<=n;j++)printf("%d ",a[i][j]);
printf("\n");}}
int main()
{r();
rf();
p();
return 0;}