#include<stdio.h>
#define dim 150

long long int a[dim][dim];
int n,i,k,m,j;
void read()
{
     scanf("%lld",&n);
    for(i=1;i<=n;i++)
    for(j=1;j<=n;j++)
    scanf("%lld",&a[i][j]);
}
void afis()
{
     for(i=1;i<=n;i++,printf("\n"))
        for(k=1;k<=n;k++)
           printf("%lld ",a[i][k]);
}
void solve()
{
     int i,j,k;
     for(i=1;i<=n;i++)
        for(k=1;k<=n;k++)
            for(j=1;j<=n;j++)
            {
                if(a[k][i] && a[i][j] && ( a[k][j] > a[k][j]+a[i][j] || !a[i][j] )) 
                a[k][j] > a[k][j]+a[i][j];
        }
afis();
}
int main ()
{
    freopen("royfloyd.in","r",stdin);
    freopen("royfloyd.out","w",stdout);
    read();
    solve();
return 0;
}