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c++/Others/A Simple program finding the absolute value of an integer.cpp

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+A Simple program finding the absolute value of an integer
+A Simple program without using functions
+    
+This program find the absolute value of an integer without using a function
+
+#include <iostream>
+using namespace std;
+
+int main()
+{
+	int number;
+	int abs_number;
+
+	// Ask for input
+	cout << "This program finds the absolute value of an integer." << endl;
+	cout << "Enter an integer (positive or negative): ";
+	cin >> number;
+	
+	// Find the absolute value
+	if(number >= 0)
+	{
+		abs_number = number;
+	}
+	else
+		abs_number = -number;
+	
+	// Print out output
+	cout << "The absolute value of " << number << " is " << abs_number;
+	cout << endl;
+	return 0;
+}
+
+The same program using function
+
+This program finds the absolute value of an integer using a function
+
+int Abs(int i); // Function prototype
+int main()
+{
+	int number;
+	int abs_number;
+
+	cout << "This program finds the absolute value of an integer." << endl;
+	cout << "Enter an integer (positive or negative): ";
+	cin >> number;
+	
+	// Calling the function Abs()
+	abs_number = Abs(number);
+	cout << "The absolute value of " << number << " is " << abs_number;
+	cout << endl;
+	return 0;
+}
+// Function definition
+int Abs(int i)
+{
+	if( i >= 0)
+		return i;
+	else
+		return -i;
+}