From 22264b03bce6d6798dd5adede765957b794eb6ef Mon Sep 17 00:00:00 2001
From: Brian Maloney <106637020+5ycm@users.noreply.github.com>
Date: Wed, 18 Jun 2025 11:57:00 -0700
Subject: [PATCH] Fixed bug in readArray

Fixed failed cin buffer state in readArray.

cin.clear()
and
cin.ignore()
Flush the cin buffer after non-integers are received as input.
---
 programming-I/12-deleteRepeats/deleteRepeats.cpp | 14 ++++++++++----
 1 file changed, 10 insertions(+), 4 deletions(-)

diff --git a/programming-I/12-deleteRepeats/deleteRepeats.cpp b/programming-I/12-deleteRepeats/deleteRepeats.cpp
index bf26eb1..8e9e20a 100644
--- a/programming-I/12-deleteRepeats/deleteRepeats.cpp
+++ b/programming-I/12-deleteRepeats/deleteRepeats.cpp
@@ -47,19 +47,25 @@ void readArray(char array[], int &size) {
     cout << "\nWhat is the size: ";
     cin >> size;
 
-    while (size > SIZE_LIMIT || size < 0) {
-        cerr << "\nInvalid size. Please enter a size between 0 and " << SIZE_LIMIT;
+    while (size > SIZE_LIMIT || size < 0 || !cin ) { //!cin checks for a failed state, or in other words, when a non-int type is given as 'size'.
+        cin.clear(); // restores cin back to normal state
+        cin.ignore(1024, '\n'); // this clears out the cin buffer.
+
+        cout << "\nInvalid size. Please enter a size between 0 and " << SIZE_LIMIT;
 
         cout << "\n\nWhat is the size: ";
         cin >> size;
     }
+        
 
     cout << "Enter the array (one character at a time): " << endl;
 
-    for (int i = 0; i < size; i++)
+    for (int i = 0; i < size; i++){
         cin >> array[i];
+    }
 }
 
+
 //*****************************************************************************************************
 
 void deleteRepeats(char array[], int &size) {
@@ -196,4 +202,4 @@ Updated array: 1 2 3
 
 Repeat? (y/n): n
 
-*/
\ No newline at end of file
+*/