#include<stdio.h>
int n,a[101][101];
void royfloyd()
{
    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] && (a[i][j]>a[i][k]+a[k][j] || a[i][j]==0) && i!=j) a[i][j]=a[i][k]+a[k][j];
}
int main()
{
    int i,j;
    freopen("royfloyd.in","r",stdin);
    freopen("royfloyd.out","w",stdout);
    scanf("%d",&n);
    for(i=1;i<=n;++i)
        for(j=1;j<=n;j++)
            scanf("%d",&a[i][j]);
    royfloyd();
    for(i=1;i<=n;i++)
    {
        for(j=1;j<=n;j++)
            printf("%d ",a[i][j]);
        printf("\n");
    }
    return 0;
}