NOIP提高组日志

看！题面被吃掉了！https://www.luogu.org/problemnew/show/P2539其实类似一棵树。。。#include <algorithm>#include <iostream>#include <cstring>#include <cmath>#include <cstdio>using name...

https://www.luogu.org/problemnew/show/P1363那么，我们可以很清晰的意识到，如果可以从点(x,y)出发，达到比如(-x,y)或者(x,-y) , (-x,-y) , (x+m,y+n) [假设宽m高n] ， 就可以从这个点再次达到相同的点（即可以从(x,y)出发，达到(i,j)且|i|%n=x , |j|%m=y。），一直这么走下去。那就搜好了。开一个三...

https://www.luogu.org/problem/P5022// luogu-judger-enable-o2#include <iostream>#include <algorithm>#include <cstdio>#include <cstring>#include <cmath>#include <...

https://www.luogu.org/problem/P1123#include<cstring>#include<cstdio>int n,m,ans;int a[15][15]；int dx[9]={0,1,1,1,0,0,-1,-1,-1},dy[9]={0,1,-1,0,-1,1,0,1,-1};int can[15][15];//表示是否可选v...