refactor code

Author: priteshgohil

006_functions.cpp

@@ -1,25 +1,25 @@
 #include<iostream>
 
-long int add (int nVar1, int nVar2) {
+long int Add (int nVar1, int nVar2) {
   return nVar1+nVar2;
 }
 
-int substract (int nVar1, int nVar2){
+int Substract (int nVar1, int nVar2){
   return nVar1-nVar2;
 }
 
-void say_hello(void){
+void SayHello(void){
   std::cout << "Hello, I'm a Function/Method." << '\n';
 }
 
 int main(int argc, char const *argv[]) {
   long int lnResult;
-  lnResult = add(5,2);
+  lnResult = Add(5,2);
   std::cout << "Addition: " << lnResult << '\n';
 
-  std::cout << "Substraction: " << substract(10,7) << '\n';
+  std::cout << "Substraction: " << Substract(10,7) << '\n';
 
-  say_hello();
+  SayHello();
 
   return EXIT_SUCCESS;
 }