线扫描法之周长并 #include <cstdio>#include <map>#include <algorithm>using namespace std;/*代码来自大佬*/typedef long long ll;const int kMax = 50000 + 10;struct P { int x, p, v;//坐标，序号,+1或-1 ... 计蒜客 2024-01-03 39 点赞 0 评论 59 浏览
