From 7d96aa052c954f851ad33f18af0b281c0fc055c1 Mon Sep 17 00:00:00 2001
From: Jesus Hilario Hernandez <jesushilariohernandez@gmail.com>
Date: Sat, 13 Jun 2020 04:20:35 -0500
Subject: [PATCH] modified

---
 .../Programming Challenges/14.cpp                | 16 +++++++++-------
 .../Programming Challenges/17.cpp                | 12 ++++++------
 2 files changed, 15 insertions(+), 13 deletions(-)

diff --git a/Chapter-7-Arrays/Review Questions and Exercises/Programming Challenges/14.cpp b/Chapter-7-Arrays/Review Questions and Exercises/Programming Challenges/14.cpp
index 6269ba8..708e094 100644
--- a/Chapter-7-Arrays/Review Questions and Exercises/Programming Challenges/14.cpp	
+++ b/Chapter-7-Arrays/Review Questions and Exercises/Programming Challenges/14.cpp	
@@ -26,13 +26,14 @@
  **/
 #include <iostream>
 #include <vector>
+
 using namespace std;
 
 void getUserNumbers(int[], const int);
 
 void findDuplicateNumbers(vector<int> &);
 
-void getMatchingDigits(vector<int>,
+void getMatchingDigits(const vector<int>,
                        vector<int> &,
                        const int[],
                        int &,
@@ -44,6 +45,7 @@ void displayInfo(const int[],
                  const int,
                  const int);
 
+
 int main()
 {
     const int ARRAY_SIZE = 5;
@@ -56,8 +58,8 @@ int main()
     getUserNumbers(user_numbers, ARRAY_SIZE);
 
     for (int i = 0; i < ARRAY_SIZE; i++)
-        duplicate_numbers.push_back(user_numbers[i]);
-    
+        duplicate_numbers.push_back(user_numbers[i]);  // 5 5 7 8 9
+
     findDuplicateNumbers(duplicate_numbers);
 
     getMatchingDigits(duplicate_numbers,
@@ -65,7 +67,7 @@ int main()
                       lottery_numbers, 
                       total_matching_digits, 
                       ARRAY_SIZE);
-    
+
     displayInfo(user_numbers,
                 lottery_numbers,
                 matching_digits,
@@ -73,7 +75,7 @@ int main()
                 ARRAY_SIZE);
 
     return 0;
-}
+} // End int main()
 
 void getUserNumbers(int user_numbers[], const int ARRAY_SIZE)
 {
@@ -114,7 +116,7 @@ void findDuplicateNumbers(vector<int> &duplicate_numbers)
     }
 }
 
-void getMatchingDigits(vector<int> duplicate_numbers,
+void getMatchingDigits(const vector<int> duplicate_numbers,
                        vector<int> &matching_digits,
                        const int lottery_numbers[],
                        int &total_matching_digits,
@@ -161,4 +163,4 @@ void displayInfo(const int user_numbers[],
 
     if(total_matching_digits == ARRAY_SIZE)
         cout << "You are the grand prize winner!!" << endl;
-}
\ No newline at end of file
+}
diff --git a/Chapter-7-Arrays/Review Questions and Exercises/Programming Challenges/17.cpp b/Chapter-7-Arrays/Review Questions and Exercises/Programming Challenges/17.cpp
index b1b9db2..4176cae 100644
--- a/Chapter-7-Arrays/Review Questions and Exercises/Programming Challenges/17.cpp	
+++ b/Chapter-7-Arrays/Review Questions and Exercises/Programming Challenges/17.cpp	
@@ -28,10 +28,10 @@
 
 using namespace std;
 
-void readFileContentsIntoVector(vector<string> &, string);
+void readFileContentsIntoVector(vector<string> &, const string);
 void showMenu();
-bool checkIfValueInVector(vector<string>, string);
-void displayIfAmongMostPopular(vector<string>, string);
+bool checkIfValueInVector(const vector<string>, const string);
+void displayIfAmongMostPopular(const vector<string>, const string);
 int inputValidate(int);
 void program(const vector<string>, const vector<string>);
 
@@ -110,7 +110,7 @@ int inputValidate(int number)
     
 }
 
-void readFileContentsIntoVector(vector<string> &vector, string file_name)
+void readFileContentsIntoVector(vector<string> &vector, const string file_name)
 {
     ifstream inputFile;
 
@@ -147,7 +147,7 @@ void showMenu()
 
 }
 
-bool checkIfValueInVector(vector<string> vector, string value)
+bool checkIfValueInVector(const vector<string> vector, const string value)
 {
     bool value_exists = false;
     for(int i = 0; i < vector.size(); i++)
@@ -159,7 +159,7 @@ bool checkIfValueInVector(vector<string> vector, string value)
     return value_exists;
 }
 
-void displayIfAmongMostPopular(vector<string> vector, string name)
+void displayIfAmongMostPopular(const vector<string> vector, const string name)
 {
     cout << endl
          << name