using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace LeetCode.QuestionBank.Question2741
{
    public class Solution2741 : Interface2741
    {
        /// <summary>
        /// 容斥原理
        /// 
        /// </summary>
        /// <param name="nums"></param>
        /// <returns></returns>
        public int SpecialPerm(int[] nums)
        {
            const int MOD = (int)1e9 + 7;
            throw new NotImplementedException();
        }
    }
}
