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Reading numbers from textfile into array

You are not reading a into your numbers, Change your code to this:

if (!inputFile){
    //error handling
    cout << "File can't be read!";
    int a;
    while (inputFile >> a){
        //Should loop through entire file, adding
the index to the array
        for(int i=0; i<a; i++){
            DataFromFile [i] = a; // fill array

If you are looping through the file, the array will be overwritten with the new number everytime. This is probably not what you intended to do. You probably wanted to fill out 100 locations with 100 different number? In that case, use the following code:

if (!inputFile){
    //error handling
    cout << "File can't be read!";
    int i = 0;
    while (inputFile >> a){  // Whilst an
integer is available to read
        DataFile[i] = a;   // Fill a location with
        i++;               // increment index

Categories : C++

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