invalid types 'int[int]' for array subscript

[cplusbeginner]

I wrote my code, and most of my errors are invalid types int int for array subscript and I have no idea how to fix it.

fixed

[LB]

http://i.imgur.com/FR65EYf.png

prog.cpp:78:23: error: comparison between pointer and integer
      ('int' and 'int *')
    for (int i = 20; i>= number_size; i--)
                     ~^  ~~~~~~~~~~~
prog.cpp:80:10: error: use of undeclared identifier 'i'
    for (i = number_size - 1; i >=0; i--)
         ^
prog.cpp:80:31: error: use of undeclared identifier 'i'
    for (i = number_size - 1; i >=0; i--)
                              ^
prog.cpp:80:38: error: use of undeclared identifier 'i'
    for (i = number_size - 1; i >=0; i--)
                                     ^
prog.cpp:81:24: error: use of undeclared identifier 'i'
        cout << number[i];
                       ^
prog.cpp:91:19: error: subscripted value is not an array, pointer, or vector
        second_num[i] = 0;
        ~~~~~~~~~~^~
prog.cpp:102:12: error: subscripted value is not an array, pointer, or vector
        sum[i] = first_num[i] + second_num[i] + carry;
        ~~~^~
prog.cpp:102:43: error: subscripted value is not an array, pointer, or vector
        sum[i] = first_num[i] + second_num[i] + carry;
                                ~~~~~~~~~~^~
prog.cpp:103:16: error: subscripted value is not an array, pointer, or vector
        if (sum[i] >9)
            ~~~^~
prog.cpp:106:16: error: subscripted value is not an array, pointer, or vector
            sum[i] = sum [i] - 10;
            ~~~^~
prog.cpp:106:26: error: subscripted value is not an array, pointer, or vector
            sum[i] = sum [i] - 10;
                     ~~~ ^~
prog.cpp:117:16: error: subscripted value is not an array, pointer, or vector
            sum[0] = 0;
            ~~~^~
prog.cpp:121:16: error: subscripted value is not an array, pointer, or vector
            sum[large_size] = carry;
            ~~~^~~~~~~~~~~
13 errors generated.

[cplusbeginner]

I know what my errors are but I have no idea how to fix it.

[giblit]

Which ones do you have no idea how to fix? Those say exactly what is wrong with them. PS fix them one at a time starting from the first error.

BY the way 4 of the errors are because you didn't initalize i on line 80. Also look at your parameter on line 84 then look at how you have sum and second_num. You declare as int then try and subscript it as if it was an array.

[LB]

Why is number_size an array of integers instead of just one integer?
Why does line 84 not match line 11?
Why are you missing "int" on line 80?

[cplusbeginner]

fixed the errors. I forgot to put an array in the function. thanks guys

[cplusbeginner]

fixed the errors. I found out what I did wrong. Thanks guys.