#include<cstdio>
using namespace std;
int a[110][110];
int main(){
    freopen("royfloyd.in","r",stdin);
    freopen("royfloyd.out","w",stdout);
    int n,i,j,k;
    scanf("%d",&n);
    for(i=1;i<=n;i++)
        for(j=1;j<=n;j++)
            scanf("%d",&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]>0&&a[k][j]>0&&(a[i][j]==0||a[i][j]>a[i][k]+a[k][j])&&i!=j)
                    a[i][j]=a[i][k]+a[k][j];
    for(i=1;i<=n;i++)
        for(j=1;j<=n;j++){
            printf("%d",a[i][j]);
            if(j==n)
                printf("\n");
            else
                printf(" ");
        }
    return 0;
}