暴力枚举+最长公共子序列 #include <iostream> #include <cstring> using namespace std; int dp[510][510]; int n; int lcs(char * a, char * b, int lena, int lenb) { memset(dp, 0, sizeof(dp)); for (int i = 1; i <= lena; i++) { for (int j = 1; j <= lenb; j…
Remember the story of Little Match Girl? By now, you know exactly what matchsticks the little match girl has, please find out a way you can make one square by using up all those matchsticks. You should not break any stick, but you can link them up, a…
Given a sequence of words, check whether it forms a valid word square. A sequence of words forms a valid word square if the kth row and column read the exact same string, where 0 ≤k < max(numRows, numColumns). Note: The number of words given is at le…
Given a positive integer num, write a function which returns True if num is a perfect square else False. Note: Do not use any built-in library function such as sqrt. Example 1: Input: 16 Returns: True Example 2: Input: 14 Returns: False Credits:Speci…
Given a 2D binary matrix filled with 0's and 1's, find the largest square containing all 1's and return its area. For example, given the following matrix: 1 0 1 0 0 1 0 1 1 1 1 1 0 0 1 0 Return 4. Credits:Special thanks to @Freezen for adding this pr…
OPEN CASCADE Gauss Least Square eryar@163.com Abstract. The least square can be used to solve a set of n linear equations of m unknowns(n >= m). The OPEN CASCADE class math_GaussLeastSquare implements the least square solution of the linear equations…
OpenCascade Eigenvalues and Eigenvectors of Square Matrix eryar@163.com Abstract. OpenCascade use the Jacobi method to find the eigenvalues and the eigenvectors of a real symmetric square matrix. Use class math_Jacobi to computes all eigenvalues and…
Remember the story of Little Match Girl? By now, you know exactly what matchsticks the little match girl has, please find out a way you can make one square by using up all those matchsticks. You should not break any stick, but you can link them up, a…
Given a sequence of words, check whether it forms a valid word square. A sequence of words forms a valid word square if the kth row and column read the exact same string, where 0 ≤ k < max(numRows, numColumns). Note: The number of words given is at l…
In OpenCv, it only provide the function fitEllipse to fit Ellipse, but doesn't provide function to fit circle, so i read some paper, and write a function to do it. The paper it refer to is "A Few Methods for Fitting Circles to Data". Also when t…
Square Coins Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 7883 Accepted Submission(s): 5332 Problem Description People in Silverland use square coins. Not only they have square shapes but…
A. Plus and Square Root time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output ZS the Coder is playing a game. There is a number displayed on the screen and there are two buttons, ' + ' (plus) an…
Given a positive integer num, write a function which returns True if num is a perfect square else False. Note: Do not use any built-in library function such as sqrt. Example 1: Input: 16 Returns: True Example 2: Input: 14 Returns: False 本题可以用binary s…
Given a 2D binary matrix filled with 0's and 1's, find the largest square containing all 1's and return its area. For example, given the following matrix: 1 0 1 0 0 1 0 1 1 1 1 1 0 0 1 0 Return 4. 解题思路: dp问题,用一个dp[i][j]保存matrix[i][j]作为右下节点的时候的最大矩形的边长…
时间限制:1000MS 内存限制:65535K提交次数:0 通过次数:0 题型: 编程题 语言: G++;GCC Description You are given a M*M cloth with some holes on it. Your task is to find a biggest square cloth from it. The following is an example(M=5) 输入格式 The first line contains the one intege…
1073. Square Country Time limit: 1.0 secondMemory limit: 64 MB There live square people in a square country. Everything in this country is square also. Thus, the Square Parliament has passed a law about a land. According to the law each citizen of th…
Square Time Limit : 10000/5000ms (Java/Other) Memory Limit : 65536/32768K (Java/Other) Total Submission(s) : 9 Accepted Submission(s) : 4 Problem Description Given a set of sticks of various lengths, is it possible to join them end-to-end to form…
Given a 2D binary matrix filled with 0's and 1's, find the largest square containing all 1's and return its area. Have you met this question in a real interview? Example For example, given the following matrix: 1 0 1 0 0 1 0 1 1 1 1 1 1 1 1 1 0 0…
Firt thought: an variation to LCS problem - but this one has many tricky detail. I learnt the solution from this link:https://github.com/wangyongliang/Algorithm/blob/master/hackerrank/Strings/Square%20Subsequences/main.cc And here is his code with my…
Description Square Ice is a two-dimensional arrangement of water molecules H2O, with oxygen at the vertices of a square lattice and one hydrogen atom between each pair of adjacent oxygen atoms. The hydrogen atoms must stick out on the left and right…
题目: Given a 2D binary matrix filled with 's and return its area. For example, given the following matrix: Return . 解题思路: 这种包含最大.最小等含优化的字眼时,一般都需要用到动态规划进行求解.本题求面积我们可以转化为求边长,由于是正方形,因此可以根据正方形的四个角的坐标写出动态规划的转移方程式(画一个图,从左上角推到右下角,很容易理解): dp[i][j] = min(dp[i-…
Texas Trip Problem's Link: http://poj.org/problem?id=3301 Mean: 给定n(n <= 30)个点,求出包含这些点的面积最小的正方形的面积. analyse: 首先要确定的是旋转的角度在0到180度之间即可,超过180度是和前面的相同的. 坐标轴旋转后,坐标变换为: X’ = x * cosa - y * sina; y’ = y * cosa + x * sina; Time complexity: O(n) Source code…
Square Coins Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others) Problem Description People in Silverland use square coins. Not only they have square shapes but also their values are square numbers. Coins with values o…
