zoukankan      html  css  js  c++  java
  • 【hackerrank】Type of Triangle

    题目如下:

    Write a query identifying the type of each record in the TRIANGLES table using its three side lengths. Output one of the following statements for each record in the table:

    • Equilateral: It's a triangle with  sides of equal length.
    • Isosceles: It's a triangle with  sides of equal length.
    • Scalene: It's a triangle with  sides of differing lengths.
    • Not A Triangle: The given values of A, B, and C don't form a triangle.

    Input Format

    The TRIANGLES table is described as follows:

    Each row in the table denotes the lengths of each of a triangle's three sides.

    Sample Input

    Sample Output

    Isosceles
    Equilateral
    Scalene
    Not A Triangle
    

    Explanation

    Values in the tuple  form an Isosceles triangle, because 
    Values in the tuple  form an Equilateral triangle, because . Values in the tuple  form a Scalene triangle, because 
    Values in the tuple  cannot form a triangle because the combined value of sides  and  is not larger than that of side .

    解题思路:主要是根据三个边长之间的关系来判断三角形的种类,注意判断的顺序是:不是三角形,等边三角形,等腰三角形,其他三角形。

    代码如下:

    /*
    Enter your query here.
    */
    select 
    case
    when (A+B) <= C or (A+C) <= B or (B+C) <= A then 'Not A Triangle'
    when (A=B) and (B=C) and (A=C) then 'Equilateral'
    when (A=B) or (A=C) or (B=C) then 'Isosceles'
    else 'Scalene'
    END
    from 
    TRIANGLES;
  • 相关阅读:
    HTML 5 音频
    HTML 5 视频
    HTMl链接- target/ name
    HTML 链接
    OGNL_一点
    struts_表单得到数据
    MySql_十六进制值
    HTML 事件属性(下)
    作业3-2 输入一个正整数 n,再输入 n 个学生的成绩,计算平均成绩,并统计所有及格学生的人数
    作业3-1 .输入一个整数 x,计算并输出下列分段函数 sign(x) 的值
  • 原文地址:https://www.cnblogs.com/seyjs/p/11382430.html
Copyright © 2011-2022 走看看