C++

/*** Definition for singly-linked list. * struct ListNode {* int val; * ListNode * next; * ListNode (int x): val (x), next (NULL ){}*}; */class Solution {public: ListNode * rotateRight (ListNode * head, int k) {// Start typing your C/C ++ solution

Description The GeoSurvComp geologic survey company is responsible for detecting underground oil deposits. geoSurvComp works with one large rectangular region of land at a time, and creates a grid that divides the land into numerous square plots. it

TourTime Limit: 1000 MS | memory limit: 65535 KBDifficulty: 3DescriptionThe World Boxing Association (WBA) is the world's oldest boxing organization. It has given birth to many world champions, especially the heavyweight, and has created almost all

This question is solved by brute force + dynamic planning. The analysis is as follows: For a 1 * m matrix, that is, a series, maximal sub-rectangle can be obtained by finding the maximum long continuous string and dynamic programming ). Then, for

Question: give a certain arrangement of n and 1 to n, ask q times, and each time ask [l, r] to pick two numbers at will, what is the maximum value of the maximum common approx. Solution: record a pre array. pre [I] indicates the position at which

Strategic GameTime Limit: 20000/10000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total Submission (s): 3772 Accepted Submission (s): 1663   Problem DescriptionBob enjoys playing computer games, especially strategic games, but

SpidermanTime Limit: 5000 MS Memory Limit: 65536 KTotal Submissions: 5692 Accepted: 1107 Description Dr. octopus kidnapped Spiderman's girlfriend M.J. and kept her in the West Tower. now the hero, Spiderman, has to reach the tower as soon as he can

At first, I did not understand the meaning of the question. It was a tragedy. Then, after reading the question, I got the AC. The meaning is to give N, then give N + 1 integers, and then give N operators (there are only three operations: Or, and,

--> The operand range is Set a [I] [j] to represent the j-th binary bit of the I-th number; p [I] [j] to represent the bit of the binary, after the first I count operation, the probability of j is obtained (j is 0 or 1). d [I] indicates the

Question:For several power stations, for several consumption stations, and for several forwarding points.Power stations only generate electricity, and consume only power consumption. The forwarding point only forwards electricity to each

From s to t, every time a village passes through a village, one unit of goods will be paid. When a town passes through, every 20 goods will be paid one, and the minimum cost path of the Lexicographic Order will be obtained. Use the shortest circuit

A has been around for A whole day ~~~ Finally, I got rid of it. It's really blood. The question is very clear, it must be a pressure DP. We can contact the POJ 1185 Artillery Position for the classic pressure DP. The difference between the two

Looks like ···················· This algorithm is quite unfamiliar! Continue learning !!!! ++ ====================================== ++ ------------------------------------------------- ====================================== # Include # Include #

After learning this question, I learned a lot about it. First, I learned a lot about it, especially for beginners like me. I can learn some tips. Then, we can learn different ideas and ideas from others' codes.     This is to find the shortest path.

Problem DescriptionThere is a total of M-level stairs. At the beginning, you are at the first level. If you can only cross the upper or second level at a time, how many steps should you go to the level M?  InputThe input data first contains an

FroggerTime Limit: 1000 MS Memory Limit: 65536 KTotal Submissions: 20716 Accepted: 6741 Description Freddy Frog is sitting on a stone in the middle of a lake. suddenly he notices Fiona Frog who is sitting on another stone. he plans to visit her, but

It is known that F (n) is a Fibonacci sequence. Given a, B, n, c   Analysis: the original formula is equivalent to finding links. #include #include #include using namespace std;typedef unsigned long long LL;int c;LL a,b,n;LL f[5500];int search(int c)

Implement binary search and implement binary search using standard library functions     Algorithm ideas: 1. Sort arrays (from small to large); 2. Compare each time with the number mid in the middle. If they are equal, they can be directly returned,

The meaning of the question is not explained. I am stuck in this question. I thought it was 26 letters at first (I did not read the question carefully and read the result of the example below ), then I ressed several rounds and found that the

Problem DescriptionN balloons are arranged in a row, numbered 1, 2, 3... from left to right .... n. given two integers a B (a InputThe first behavior of each test instance is an integer N (N When N = 0, the input ends. OutputEach test instance