(ARRAY)findmiddleof3element.cpp

// CPP program to find middle of three distinct 
// numbers 
#include <bits/stdc++.h> 
using namespace std; 

// Function to find the middle of three number 
int middleOfThree(int a, int b, int c) 
{ 
	// x is positive if a is greater than b. 
	// x is negative if b is greater than a. 
	int x = a - b; 

	int y = b - c; // Similar to x 
	int z = a - c; // Similar to x and y. 

	// Checking if b is middle (x and y both 
	// are positive) 
	if (x * y > 0) 
		return b; 

	// Checking if c is middle (x and z both 
	// are positive) 
	else if (x * z > 0) 
		return c; 
	else
		return a; 
} 

// Driver Code 
int main() 
{ 
	int a = 20, b = 30, c = 40; 
	cout << middleOfThree(a, b, c); 
	return 0; 
}