#include <cstdio>
#define inf 9999999
int n,a[110][110];

int main()
{
    freopen("royfloyd.in","r",stdin);
    freopen("royfloyd.out","w",stdout);
    int i,q,j,x,y;
    scanf("%d", &n);
    for(i=0;i<n;i++)
        for(j=0;j<n;j++)
        {
            scanf("%d",&a[i][j]);
            if(a[i][j]==0) a[i][j]=inf;
        }
    for(q=0;q<n;q++)
        for(i=0;i<n;i++)
            for(j=0;j<n;j++)
                if(a[i][q]+a[q][j]<a[i][j])
                    a[i][j]=a[i][q]+a[q][j];
    for(i=0;i<n;i++)
    {
        for(j=0;j<n;j++)
            if(a[i][j]<inf&&i!=j) printf("%d ",a[i][j]);
            else printf("0 ");
        printf("\n");
    }
    return 0;
}