#include<cstdio>
#define INF 0x3f3f3f3f

using namespace std;

int a[102][102],i,j,k,n;

int main()
{
    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]);
            if(!a[i][j]) a[i][j]=INF;
        }
    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][j]=a[i][k]+a[k][j];
    for(i=1;i<=n;++i)
    {
        for(j=1;j<=n;++j)
            if(a[i][j]) printf("%d ",a[i][j]); else printf("0");
        printf("\n");
    }
    return 0;


}