#include <iostream>
  #include <string>
  using namespace std;
      
  bool intArraysEqual(int arr1[], int arr2[], int start, int n) {
      // [!] Iterate through all n items starting
      // at the start index
      for (int i = start; i < n; i++) {
          // [!] We can return something whenever we find
          // an inconsistency
          if (arr1[i] != arr2[i]) {
              return false;
          }
      }
      // [!] If we get here, we know there was no
      // inconsistency so...
      return true;
  }
    
  int main () {
      int i[] = {1, 2, 3};
      int j[] = {0, 2, 3, 4, 5};
      cout << intArraysEqual(i, j, 1, 2) << endl;
      // Above will print out: 1
      // because {2, 3} == {2, 3}
    
      cout << intArraysEqual(i, j, 0, 2) << endl;
      // Above will print out: 0
      // because {1, 2} != {0, 2} 
  }

  #include <iostream>
  #include <string>
  using namespace std;
      
  /*
  * Takes in an array of strings and some max index
  * n, and prints all n strings in the array, comma
  * and space separated and enclosed in brackets
  */
  void stringArrayPrint (string s[], int n) {
      // [!] What should be prepended?
      string result = "{";
        
      // Iterate through all n specified indexes
      for (int i = 0; i < n; i++) {
          // [!] Add the string, its quotes, and any
          // comma-space separation
          result += "\"" + s[i] + "\", ";
      }
        
      // [!] We need to fix something at the end of all this
      // (hint, consider n as zero and non-zero)
      if (n > 0) {
          result = result.substr(0, result.length() - 2);
      }
        
      // Tack on the closing bracket
      result += "}";
      cout << result << endl;
  }
    
  int main () {
      string s[] = {"print", "me", "NOW"};
      stringArrayPrint(s, 3);
      // Above will print out:
      // {"print", "me", "NOW"}
      
      stringArrayPrint(s, 0);
      // Above will print out:
      // {}
  }

  #include <iostream>
  #include <string>
  using namespace std;
  
  /*
   * interleaveStrings takes in an array of strings s,
   * and a number of strings in that array n, and interleaves
   * all characters of each string, producing a string
   * as a result.
   */
  string interleaveStrings (string s[], int n) {
      string result;
  
      bool charsLeft = true;
  
      for (int i = 0; charsLeft; i++) {
          charsLeft = false;
          for (int j = 0; j < n; j++) {
              if (i < s[j].length()) {
                  result += s[j][i];
                  charsLeft = true;
              }
          }
      }
      return result;
  }
  
  int main () {
      string s[] = {"AAA", "BB", "CCCC"};
      cout << interleaveStrings(s, 3) << endl;
      // Above prints out:
      // ABCABCACC
    
      string w[] = {"BB", "AAA", "CCCC"};
      cout << interleaveStrings(w, 3) << endl;
      // Above prints out:
      // BACBACACC
    
      string t[] = {"AAA", ""};
      cout << interleaveStrings(t, 2) << endl;
      // Above prints out:
      // AAA
  }