const int NUM CARDS int myCards [NUM_CARDS] int dealerCards [NUM_CARDS] = == 5; = {7, 4, 2, 4}; {7, 4, 2, 4}; if (myCards dealerCards) cout << "Player cards are same as Dealer cards\n"; else cout <<"Player cards are different than Dealer cards\n"; NUM_CARDS is const, an array needs to have a variable number of elements. It will read from out of bounds memory.

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
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The image presents a coding problem worth 5 points and asks the reader to analyze a given code snippet and select the best statement about it.

Code Snippet:
```cpp
const int NUM_CARDS = 5;
int myCards[NUM_CARDS] = {7, 4, 2, 4};
int dealerCards[NUM_CARDS] = {7, 4, 2, 4};

if (myCards == dealerCards)
    cout << "Player cards are same as Dealer cards\n";
else
    cout << "Player cards are different than Dealer cards\n";
```

Multiple Choice Options:
1. `NUM_CARDS` is const, an array needs to have a variable number of elements.
2. It will read from out of bounds memory.
3. Nothing is wrong.
4. It looks like it wants to compare the two arrays. It needs to compare elements one by one.

Explanation:
The code snippet is attempting to compare two arrays, `myCards` and `dealerCards`, directly using the equality operator (`==`). In C++, this does not compare the contents of the arrays but instead compares their memory addresses. To properly compare the arrays, the individual elements should be compared in a loop.
Transcribed Image Text:The image presents a coding problem worth 5 points and asks the reader to analyze a given code snippet and select the best statement about it. Code Snippet: ```cpp const int NUM_CARDS = 5; int myCards[NUM_CARDS] = {7, 4, 2, 4}; int dealerCards[NUM_CARDS] = {7, 4, 2, 4}; if (myCards == dealerCards) cout << "Player cards are same as Dealer cards\n"; else cout << "Player cards are different than Dealer cards\n"; ``` Multiple Choice Options: 1. `NUM_CARDS` is const, an array needs to have a variable number of elements. 2. It will read from out of bounds memory. 3. Nothing is wrong. 4. It looks like it wants to compare the two arrays. It needs to compare elements one by one. Explanation: The code snippet is attempting to compare two arrays, `myCards` and `dealerCards`, directly using the equality operator (`==`). In C++, this does not compare the contents of the arrays but instead compares their memory addresses. To properly compare the arrays, the individual elements should be compared in a loop.
Expert Solution
Step 1: Introduction

array: an array is a collection of homogenous elements with name and the elements are stored in the array from the index,0 up to the size-1 of the array.

For example, int nums[5] is an array of integer to store 5 integer values.

The array name represents the address location(or) first element location of the array starting position.

To compare the two arrays elements, then the elements are compared by index positions from start to end.


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