#include <cstdio>

using namespace std;

int v[101][101],v2[101][101];

int main()
{
    freopen("royfloyd.in","r",stdin);
    freopen("royfloyd.out","w",stdout);
    int n,k;
    scanf("%d ",&n);
    for (int i=1;i<=n;i++)
        for (int j=1;j<=n;j++)
        {
            scanf("%d ",&v[i][j]);
            if (v[i][j]==0) v[i][j]=200000000;
        }
    for (int k=1;k<=n;k++)
        for (int i=1;i<=n;i++)
            for (int j=1;j<=n;j++)
                if (i!=k && j!=k && v[i][k]+v[k][j]<v[i][j])
                    if (v[i][k]>0 && v[k][j]>0)
                    v[i][j]=v[i][k]+v[k][j];
    for (int i=1;i<=n;i++)
    {
        for (int j=1;j<=n;j++)
        if (i==j) printf("0 ");
        else printf("%d ",v[i][j]);
        printf("\n");
    }
}