#include <cstdio>
#include <climits>

const int inf=INT_MAX/2;

using namespace std;

int n,c[101][101],l[101][101];

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