#include <stdio.h>
#define nmax 110
using namespace std;
int j,k,t[nmax][nmax],i,n;
int main() {
freopen("royfloyd.in","r",stdin);
freopen("royfloyd.out","w",stdout);
scanf("%d",&n);
for (i=1;i<=n;i++)
    for (j=1;j<=n;j++)
    scanf("%d",&t[i][j]);
for (i=1;i<=n;i++)
    for (j=1;j<=n;j++)
    for (k=1;k<=n;k++)
      if (i!=j && t[i][k]>0 && t[k][j]>0) {
        if (t[i][j]==0 || t[i][j]>t[i][k]+t[k][j]) t[i][j]=t[i][k]+t[k][j];
      }
for (i=1;i<=n;i++) {
    for (j=1;j<=n;j++)
       printf("%d ",t[i][j]);
    printf("\n");
}
return 0;
}