@command_block 那你就投NTT就可以了
另外原根定义换个普适的,寻找原根复杂度的O(log2(p))O(\log^2(p))O(log2(p))要特殊说明这个p=k∗2t+1p=k*2^t+1p=k∗2t+1的性质,其他还没看