题目链接:https://cn.vjudge.net/problem/142542/origin Description You need to design road from (0, 0) to (x, y) in plane with the lowest cost. Unfortunately, there are N Rivers between (0, 0) and (x, y).It costs c1 Yuan RMB per meter to build road, and it…
1548: Design road Submit Page Summary Time Limit: 2 Sec Memory Limit: 256 Mb Submitted: 450 Solved: 237 Description You need to design road from (0, 0) to (x, y) in plane with the lowest cost. Unfortunately, there are N Rivers betwe…
1548: Design road Time Limit: 2 Sec Memory Limit: 256 MBSubmit: 383 Solved: 200[Submit][Status][Web Board] Description You need to design road from (0, 0) to (x, y) in plane with the lowest cost. Unfortunately, there are N Rivers between (0, 0) and…
NPY and shot Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others) Total Submission(s): 1035 Accepted Submission(s): 428 Problem Description NPY is going to have a PE test.One of the test subjects is throwing the sh…
Design a data structure that supports the following two operations: void addWord(word) bool search(word) search(word) can search a literal word or a regular expression string containing only letters a-z or .. A . means it can represent any one letter…
托一个学弟的福,学了一下他的最简便三分写法,然后找了一道三分的题验证了下,AC了一题,写法确实方便,还是我太弱了,漫漫AC路!各路大神,以后你们有啥好的简便写法可以在博客下方留个言或私信我,谢谢了! Turn the corner Time Limit: 3000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others) Total Submission(s): 3196 Accepted Submission(s…
LeetCode34. Find First and Last Position of Element in Sorted Array 题意:找出指定元素出现的范围,Ologn 思路:两次二分 class Solution { public: vector<int> searchRange(vector<int>& nums, int target) { , r = nums.size() - ; , rx = -; while (l <= r) { ; if (nu…
Design a data structure that supports the following two operations: void addWord(word) bool search(word) search(word) can search a literal word or a regular expression string containing only letters a-z or .. A . means it can represent any one letter…
Light Bulb Time Limit: 1 Second Memory Limit: 32768 KB Compared to wildleopard's wealthiness, his brother mildleopard is rather poor. His house is narrow and he has only one light bulb in his house. Every night, he is wandering in his incommodio…
Josephina is a clever girl and addicted to Machine Learning recently. She pays much attention to a method called Linear Discriminant Analysis, which has many interesting properties. In order to test the algorithm's efficiency, she collects many datas…
查找三分之二: #include <stdio.h> #define M 10 int main(void) { int front, near, mid1, mid2; int n; int found; int a[M] = {1, 2, 3, 4, 5, 6, 7, 8, 9}; front = 0; near = M - 1; found = 0; printf("input n:"); scanf("%d", &n); while(fr…
将所有点极角排序,建立线段树,线段树每个节点维护该区间内所有点组成的上下凸壳. 对于一个查询,二分查找出相应区间的左右端点,在线段树上得到$O(\log n)$个节点,在相应凸壳上三分查找出与斜边叉积最大的那个点,看看是否为正即可. 时间复杂度$O(n\log^2n)$. #include<cstdio> #include<algorithm> using namespace std; typedef long long ll; const int N=100010,E=20000…
A Abs Problem http://acm.zju.edu.cn/onlinejudge/showProblem.do?problemId=5330 找规律题,构造出解.copyright@ts #include<cstdio> int main() { int n,big,sma,id; while(~scanf("%d",&n)) { ) { puts("1 1"); puts("); puts("); contin…
1>用C#写一段选择排序算法,要求用自己的编程风格.答:private int min; public void xuanZhe(int[] list)//选择排序 { for (int i = 0; i < list.Length - 1; i++) { min = i; for (int j = i + 1; j < list.Length; j++) { …
Problem Description Mr. West bought a new car! So he is travelling around the city. One day he comes to a vertical corner. The street he is currently in has a width x, the street he wants to turn to has a width y. The car has a length l and a width d…
