Equation

Equation精品文章

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  [LeetCode] 640. Solve the Equation

  Problem Solve a given equation and return the value of x in the form of string x=#value. The equation contains only +, - operation, the variable x and its coefficient. If there is no solution for the ...

  pf_miles 2019-08-16 13:38 评论0 收藏0
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  399. Evaluate Division

  ...来简单点。复杂度没什么差别都是O(V+E)，这道题里面E = equations.length, V最多是2E，所以每次查找的复杂度是O(equations.length)，有queries.length次查找。注意防止重复路径，要用visited。 public class Solution { public double[] calcEquation(String[][...

  yanest 2019-08-14 17:26 评论0 收藏0
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  基于案例的软件构造教程第二章课后题答案

  ...c void main(String[] args) { printDog(); printCat();} 标记耦合 typedef equation { int a;}Equation;void generateExercise(){ Equation e; return e;}void printExercise(Equation e) { ...}main() ...

  mist14 2021-09-26 09:46 评论0 收藏0
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  leetcode399. Evaluate Division

  题目要求 Equations are given in the format A / B = k, where A and B are variables represented as strings, and k is a real number (floating point number). Given some queries, return the answers. If the ans...

  Jensen 2019-08-16 17:09 评论0 收藏0
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  Python基础之(七)函数

  ...方程 from __future__ import division import math def quadratic_equation(a,b,c): delta = b * b - 4 * a * c if delta < 0: return False elif delta == 0: return -(b / (2 ...

  microelec 2019-07-25 10:53 评论0 收藏0
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  Sherman-Morrison公式及其应用

  ...算法可以参考博客：三对角线性方程组(tridiagonal systems of equations)的求解 。  综上，我们利用Sherman-Morrison公式的思想，可以将循环三对角线性方程组转化为三对角线性方程组求解。我们将会在下面给出该算法的Python语言实现。...

  lookSomeone 2019-07-30 16:28 评论0 收藏0
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  程序员的算法趣题Q13: 满足字母算式的解法

  ...collections import dequeimport itertools as itclass Solution: def stringEquation(self, strEqu:str): strEqu: Equation in the form of string with character representing digit, ...

  Clect 2021-09-06 15:02 评论0 收藏0
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  Python基础

  ... return -x my_abs(-100) 引入函数库 import math def quadratic_equation(a, b, c): x = b * b - 4 * a * c if x < 0: return none elif x == 0: return -b / (2 *a) else:...

  Shonim 2019-07-25 11:23 评论0 收藏0