The following code fails to give me some output.


#include<iostream>
using namespace std;

int main()
{
»·······int choice;
»·······double km;
»·······double miles;
double MILES_PER-KM = 0.6214;
double KMS_PER_MILE = 1.6093;

»·······cout<<"\nMiles and Kilometers Converter\n";
»·······cout<<"................................\n";
»·······cout<<"1 : Miles to kilometers\n;
»·······cout<<"2 : Kilometers to miles\n;
»·······cout<<"3 :Quit\n\n;
»·······cout<<"Enter 1,2 or 3: ";<<endl;
»·······cin>>choice;

»·······if (choice == 1)·
»·······{
»·······»·······cout<<"Miles? ";
»·······»·······cin>>miles;
»·······»·······km = miles * KMS_PER_MILE ;
»·······»·······cout<<miles<<"miles = "<<km<< "kilometers\n";
»·······}
»·······else if (choice == 2)
»·······{
»·······»·······cout<<"Kilometers? ";
»·······»·······cin>>km;
»·······»·······miles = km * MILES_PER_KM;
»·······»·······cout<<km<< "kilometers = '<<miles << "miles\n;
»·······}
»·······else if (choice == 3)
»·······cout<< "Illegal choice!";
»·······return 0;
}

It gives out this error

> g++ mile.cpp
mile.cpp: In function `int main()':
mile.cpp:9: error: expected initializer before '-' token
mile.cpp:14: error: missing terminating " character
mile.cpp:15: error: missing terminating " character
mile.cpp:16: error: missing terminating " character
mile.cpp:17: error: expected primary-expression before '<<' token
mile.cpp:31: error: `MILES_PER_KM' was not declared in this scope
mile.cpp:32: error: expected `;' before "miles"
mile.cpp:32: error: stray '\' in program

can anyone please help with this....Please........ I am new to c++.

~

You have set up your identifier as MILES_PER-KM, C++ thinks this is: MILES_PER minus KM, and gets confused. Just change it to MILES_PER_KM and you should get past that problem.

You need to look carefully at the output generated by g++, the first line number is 9, the very line in error and is does say that it doesn't understand why a - (minus) is where you have put it. I know it is just a typo but the compiler is unforgiving

Check carefully the syntax! The error pointed out by graemef is the first of a longer list. This code misses some closing double quote (lines 14 15 16), have a misplaced semi-colon (line 17), have a closing single quote instead of double quote (line 32) and missing closing double quote again (same line). It looks like you were in a hurry when you wrote this code. Be patient