#include<stdio.h>
#define Nmx 101
#define INF 20000001

int n,a[Nmx][Nmx];

void citire()
{
    scanf("%d",&n);
    for(int i=1;i<=n;++i)
     for(int j=1;j<=n;++j)
        {scanf("%d",&a[i][j]);
         if(a[i][j]==0) a[i][j]=INF;
        }
}

int min(int x,int y)
{
    if(x<y) return x;
    return y;
}

void solve()
{
    for(int k=1;k<=n;++k)
     for(int x=1;x<=n;++x)
      for(int y=1;y<=n;++y)
       a[x][y]=min(a[x][k]+a[k][y],a[x][y]);
}

void afis()
{
    for(int i=1;i<=n;++i)
     {
     for(int j=1;j<=n;++j)
       if(a[i][j]==INF||i==j) printf("0 ");
       else  printf("%d ",a[i][j]);

      printf("\n");
     }
}

int main()
{
    freopen("royfloyd.in","r",stdin);
    freopen("royfloyd.out","w",stdout);
    citire();
    solve();
    afis();
    return 0;
}