Grid Graph Reduction for Efficient Shortest Pathfinding
作者:CHAN-YOUNG KIM AND SANGHOON SULL
文章提出了一种“基于模式识别的网格阻塞”( Pattern-Based Blocking on grid graphs,PBGG)的预处理方法,以加快最…
互质 答案:640720414 参考:
public class Main {static int mod 1000000007;public static void main(String[] args) {long sum power(2023, 2023);long p1 ((sum % mod) * power( 7, mod - 2)) % mod;long p2 ((sum % mod) * power( 17, mod -…