检查三角形是等边形，等腰形还是斜角形的程序

给定X ， Y和Z代表三角形的三个边的三个整数，任务是检查给定边形成的三角形是等边的，等腰的还是斜角的。

Equilateral Triangle: A triangle is said to be equilateral triangle if all the sides are equal. If X, Y, Z are three sides of the triangle. Then, the triangle is equilateral only if X = Y = Z.

Isosceles Triangle: A triangle is said to be an isosceles triangle if any of its two sides are equal. If X, Y, Z are three sides of the triangle.Then, the triangle is isosceles if either X = Y or X = Z or Y = Z.

Scalene Triangle: A triangle is said Scalene Triangle if none of its sides is equal.

例子：

Input: X = 6, Y = 8, Z = 10
Output: Scalene Triangle
Explanation:
Since all the sides of the given triangle are unequal, the triangle is scalene.

Input: X = 10, Y = 10, Z = 10
Output: Equilateral Triangle
Explanation:
Since all the sides of the given triangle are equal.

方法：请按照以下步骤解决问题：

1. 检查X = Y和Y = Z。如果发现是真的，则打印“等边三角形”。
2. 如果不是等边三角形，则检查X = Y或X = Z或Y = Z。如果发现是真的，则打印“等腰三角形”。
3. 如果以上步骤都不满足，请打印“斜角三角形”。

下面是上述方法的实现：

C++

// C++ program for the above approach
#include 
using namespace std;
 
// Function to check if the triangle
// is equilateral or isosceles or scalene
void checkTriangle(int x, int y, int z)
{
     
    // Check for equilateral triangle
    if (x == y && y == z)
        cout << "Equilateral Triangle";
 
    // Check for isoceles triangle
    else if (x == y || y == z || z == x)
        cout << "Isoceles Triangle";
 
    // Otherwise scalene triangle
    else
        cout << "Scalene Triangle";
}
 
// Driver Code
int main()
{
     
    // Given sides of triangle
    int x = 8, y = 7, z = 9;
     
    // Function call
    checkTriangle(x, y, z);
}
 
// This code is contributed by jana_sayantan

Java

// Java program for the above approach
class GFG{
     
// Function to check if the triangle
// is equilateral or isosceles or scalene
static void checkTriangle(int x, int y, int z)
{
 
    // Check for equilateral triangle
    if (x == y && y == z )
        System.out.println("Equilateral Triangle");
 
    // Check for isoceles triangle
    else if (x == y || y == z || z == x )
        System.out.println("Isoceles Triangle");
 
    // Otherwise scalene triangle
    else
        System.out.println("Scalene Triangle");
}
 
// Driver Code
public static void main(String[] args)
{
     
    // Given sides of triangle
    int x = 8, y = 7, z = 9;
     
    // Function call
    checkTriangle(x, y, z);
}
}
 
// This code is contributed by jana_sayantan

Python3

# Python3 program for the above approach
 
# Function to check if the triangle
# is equilateral or isosceles or scalene
def checkTriangle(x, y, z):
 
    # _Check for equilateral triangle
    if x == y == z:
        print("Equilateral Triangle")
 
    # Check for isoceles triangle
    elif x == y or y == z or z == x:
        print("Isoceles Triangle")
 
    # Otherwise scalene triangle
    else:
        print("Scalene Triangle")
 
 
# Driver Code
 
# Given sides of triangle
x = 8
y = 7
z = 9
 
# Function Call
checkTriangle(x, y, z)

C#

// C# program for the above approach
using System;
 
class GFG{
     
// Function to check if the triangle
// is equilateral or isosceles or scalene
static void checkTriangle(int x, int y, int z)
{
 
    // Check for equilateral triangle
    if (x == y && y == z )
        Console.WriteLine("Equilateral Triangle");
 
    // Check for isoceles triangle
    else if (x == y || y == z || z == x )
        Console.WriteLine("Isoceles Triangle");
 
    // Otherwise scalene triangle
    else
        Console.WriteLine("Scalene Triangle");
}
 
// Driver Code
public static void Main()
{
     
    // Given sides of triangle
    int x = 8, y = 7, z = 9;
     
    // Function call
    checkTriangle(x, y, z);
}
}
 
// This code is contributed by code_hunt

Javascript

// JavaScript program for the above approach 
 
// Function to check if the triangle
// is equilateral or isosceles or scalene
function checkTriangle(x, y, z)
{
     
    // Check for equilateral triangle
    if (x == y && y == z)
        document.write("Equilateral Triangle");
 
    // Check for isoceles triangle
    else if (x == y || y == z || z == x)
        document.write("Isoceles Triangle");
 
    // Otherwise scalene triangle
    else
        document.write("Scalene Triangle");
}
 
// Driver Code
 
    // Given sides of triangle
    let x = 8, y = 7, z = 9;
     
    // Function call
    checkTriangle(x, y, z);
 
 
// This code is contributed by Surbhi Tyagi.
 

输出：

Scalene Triangle

时间复杂度： O(1)
辅助空间： O(1)