C++ adding comments; ive made a start on added comments to this program but im stuck im not really sure what to write for the secon half. i know what it does but not sure what comments to write.

#include 2 using namespace std; 3 int main) { 4 5 char rna[4] -(','C','G', 'T.); //4 possible characters 6 char rString[5] //string for random characters 7 srand (time (NULL));//source for the random generator 8 int count-1000000;//try amount 9 char genererateStrings [256][5];/umber of total combinations 256 including repeated characters Le int patternCount[256]; 11 int currentCount-0; //current string number 12 bool present-false; //false f in list or not 13 for(int i-0;i