Be persuasive, have form, and know what you are talking about. I would recommend using MELCON. You can learn more about MELCON with this link. http://melcon.weebly.com/
Other states should see how well the system works and also understand how much money it requires for the state to build a high-speed rail system.
Answer:
// here is code in C++.
#include <bits/stdc++.h>
using namespace std;
// main function
int main()
{
// variables
double num;
// read discriminant
cin>>num;
// calculate square of the input
double result=num*num;
// print the square number
cout<<result<<endl;
return 0;
}
Explanation:
Declare a variable "num".Read the value of "num" from keybord.Then calculate square of the input number.Print the square of input number.
Output:
5
25
