Can anyone plz explain this code in easy words?

Question

Here is code,
about sorting the string array
// C++ program to sort a string of characters
#include<bits/stdc++.h>
using namespace std;

const int MAX_CHAR = 26;

// function to print string in sorted order
void sortString(string &str)
{
// Hash array to keep count of characters.
// Initially count of all characters is
// initialized to zero.
int charCount[MAX_CHAR]={0};

// Traverse string and increment
// count of characters
for (int i=0; i<str.length(); i++)

// 'a'-'a' will be 0, 'b'-'a' will be 1,
// so for location of character in count
// array we will do str[i]-'a'.
charCount[str[i]-'a']++;

// Traverse the hash array and print
// characters
for (int i=0;i<MAX_CHAR;i++)
for (int j=0;j<charCount[i];j++)
cout << (char)('a'+i);
}

// Driver program to test above function
int main()
{
string s = "cdab";
sortString(s);
return 0;
}

Answer 1

Did you notice that there already are comments that explain every step?

Add cout to see the values.