// *****************************************************************
// Author:	Zhixiang Chen
// Class:	CSCI/CMPE 1170, Spring 2009
// Lab 1:	Hello There! Play characters, strings, and numbers
// Date:	January 12, 2009
// Comment: The code here is meant to be revised.
//
//----------------------------------------------------------------- 
//
// Write a program to ask the user whether he/she like C++.
// Ask his/her score for this class and then decide the for him/her.
// Do some arithemtic operations.
//
// Compile and run your program. When everything is fine,
// print your .cpp file and turn it to me or the TA.
// *****************************************************************

#include < iostream >
#include < string >
using namespace std; 

int main( )
{
	//variable declarations
	string firstName, lastName, answer;		//vars to store names and answer
	float score;							//var to store score
	char grade;								//var to store grade
	int number1, number2, result;			//vars to store two numbers and the result

	//Prompt user to enter names
	cout<<"What is your first name? "; 
	cin>>firstName; 
	cout<<"What is your last name? "; 
	cin>>lastName; 

	cout << "Hello, "<< firstName << " " << lastName <<"!\n"; 

	//get answer
	cout<<" Do you like C++? (yes/no)"; 
	cin>>answer;

	//get the score
	cout<<" What is your score for this class? "; 
	cin>>score; 

	//display greeting
	cout<<endl<<endl<<firstName <<"  "<<lastName <<"  "; 
	if (answer=="yes")
		cout<< "likes C++." <<endl; 
	else
		cout<< "does not C++." <<endl;
	if (score >= 90 )
		grade = 'A'; 
	else if (score >= 80)
		grade = 'B'; 
	else if (score >= 70)
		grade = 'C'; 
	else
		grade = 'F'; 
	cout<< " And, your grade is " <<grade <<".\n\n"; 



	//play arithmetic operations
	cout<<" Let do some math operations.\n"; 
	cout<< " Give me one integer => "; 
	cin>>number1; 
	cout<<" Give another integer => "; 
	cin>> number2; 

	//do addition
	cout<< number1 <<"  +  " <<number2 <<"  =  ? "; 
	cin>>result; 
	if (number1 + number2 == result )
		cout<< "Very good, you are right!\n"; 
	else 
		cout<<" Too bad, you are wrong. \n\n"; 

	//do minus


	//do mutilication


	//do division


	//complete the work
	return 0;

}