Assigning a string to an element of an array?

Question

I want to write a program that calculates a final grade of a class based on weighted averages, and I'm in the stage of prompting the user for the names of each category (eg. 'Homework', 'Quiz', etc). I have it set up to ask the user how many categories they have, and then ask them each one individually, and then save each category name as a string into an array element. I know its probably easier to use vector class, but I'd like to do it this way if at all possible.

#include <cmath>
#include <iostream>
#include <iomanip>
#include <stdlib.h>
#include <string>
using namespace std;

int main()
{
  cout << "How many grade categories are there for this class? ";
  cin >> categories;


  int * categorynames = new int[categories];

  for (int i(0); i < categories; i++)
  {
    string text;
    cout << "Name of category: ";
    getline(cin, text);
    categorynames[i] = text;
  }

When I compile, I'm getting an error of "cannot convert std::string to int in assignment."

Can anyone help, please?

Taha · Accepted Answer · 2013-11-26 04:12:02Z

2

first of all you should change the type of categorynames into string * , also I noticed that getline is giving a whitespace as a first value (when i=0) and then will get the correct input for the rest, so change it to cin>>categorynames[i] , like this :

        string * categorynames = new string[categories];

        for (int i = 0; i < categories; i++)
        {
            //string text;
            cout << "Name of category: \n";
            cin>>categorynames[i];
            //getline(cin, text);
            //categorynames[i] = text;
        }

answered Nov 26, 2013 at 4:12

Taha

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Comments

Elliott Frisch · Accepted Answer · 2013-11-26 03:49:50Z

0

Shouldn't int * categorynames = new int[categories]; be std::string *categorynames = new std::string[categories];? and I think you can remove text and use getline(cin, categorynames[i]);

answered Nov 26, 2013 at 3:49

Elliott Frisch

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