#include<cstdio>
using namespace std;
int a[104][104],n;

void read()
{
    freopen("royfloyd.in","r",stdin);
    int i,j;
    scanf("%d", &n);
    for(i=1;i<=n;i++)
        for(j=1;j<=n;j++)
        {    
			scanf("%d", &a[i][j]);
			if(a[i][j]==0)
				a[i][j]=1000000;
		}	
}

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] && i!=j &&  a[i][j]>a[i][k]+a[k][j])
                    a[i][j]=a[i][k]+a[k][j];
}

void write()
{
    int i,j;
    for(i=1;i<=n;i++)
    {
        for(j=1;j<=n;j++)
           if(a[i][j]==1000000) 
			printf("0 "); 
		   else   
			printf("%d ", a[i][j]);
        printf("\n");
    }
}

int main()
{
    freopen("royfloyd.out","w",stdout);
    read();
    rf();
    write();
    return 0;
}