#include <stdio.h>
#define min(a,b) ((a<b)?a:b)

long n,i,j,k,a[128][128];

int main(){
    freopen("royfloyd.in","r",stdin);
    freopen("royfloyd.out","w",stdout);
    
    scanf("%ld",&n);
    for (i=1;i<=n;i++)
        for (j=1;j<=n;j++)
            scanf("%ld",&a[i][j]);
    
    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]&&i!=j){
                   a[i][j]=min(a[i][j],a[i][k]+a[k][j]);
                   if (!a[i][j])a[i][j]=a[i][k]+a[k][j];
                }
    
    for (i=1;i<=n;i++){
        for (j=1;j<=n;j++)
            printf("%ld ",a[i][j]);
        printf("\n");
    }
    
return 0;
}