摘要：
题面 Description As an eligible Ingress Resistance Agent you should know your power source, the Exotic Matter. We call it XM, which is the driving force 阅读全文
摘要：
| NTT(快速数论变换)用到的各种素数及原根 | | | | | : : | : : | : : | : : | | g是mod(r 2 ^ k + 1)的原根 | | | | | r 2 ^ k + 1 | r | k | g | | 3 | 1 | 1 | 2 | | 5 | 1 | 2 | 阅读全文