D. Tricky Function Time Limit: 20 Sec Memory Limit: 256 MB 题目连接 codeforces.com/problemset/problem/429/D Description Iahub and Sorin are the best competitive programmers in their town. However, they can't both qualify to an important contest. The sele…
Quoit Design Problem Description Have you ever played quoit in a playground? Quoit is a game in which flat rings are pitched at some toys, with all the toys encircled awarded. In the field of Cyberground, the position of each toy is fixed, and the ri…
Problem Description Have you ever played quoit in a playground? Quoit is a game in which flat rings are pitched at some toys, with all the toys encircled awarded.In the field of Cyberground, the position of each toy is fixed, and the ring is carefull…
题目链接:http://acm.hdu.edu.cn/showproblem.php?pid=1007 Quoit Design Time Limit: 10000/5000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 42865 Accepted Submission(s): 11128 Problem Description Have you ever played…
传送门 题意:给出$N$个点,求其中周长最小的三角形(共线的也计算在内).$N \leq 2 \times 10^5$ 这道题唤起了我对平面最近点对的依稀记忆 考虑平面最近点对的分治,将分界线两边的求解改为求三角形的最小边长即可. 小心坐标乘积爆int 不难但就是想不出 //This code is written by Itst #include<bits/stdc++.h> #define int long long #define ld long double #define eps (…