#include #include const int ARRAY_COLS = 10; const int ARRAY_ROWS = 3; void printArray(int myArr[][ARRAY_COLS]) { } for (int i = 0; i < ARRAY_ROWS; i++) { for (int j = 0; j < ARRAY_COLS; j++) { std::cout << myArr[i][j] << ", "; } std::cout << "\n"; This function currently sets the upper-left-hand corder of the 2D array to 999 Instead, this should set all 4 corners of the 2-D array to zero. */ void zeroCorners(int myArr[][ARRAY_COLS]) { } } myArr[0][0] = 999; This function should Loop through every element in the 2-D array. If an element is odd, then subtract one from it to make it even. HINT: function printArray() is an example of Looping through every element in 2D array void makeEven (int myArr[][ARRAY_COLS]) { // TODO - put code here } int main() { int arr[][ARRAY_COLS] { {1, 2, 3, 4, 5, 6, 7, 8, 9, 10}, {11, 12, 13, 14, 15, 16, 17, 18, 19, 20}, {21, 22, 23, 24, 25, 26, 27, 28, 29, 30), }; std::cout << "Before: \n"; printArray(arr); zeroCorners (arr); makeEven(arr); std::cout << "\nAfter: \n"; printArray(arr);

#include #include const int ARRAY_COLS = 10; const int ARRAY_ROWS = 3; void printArray(int myArr[][ARRAY_COLS]) { } for (int i = 0; i < ARRAY_ROWS; i++) { for (int j = 0; j < ARRAY_COLS; j++) { std::cout << myArr[i][j] << ", "; } std::cout << "\n"; This function currently sets the upper-left-hand corder of the 2D array to 999 Instead, this should set all 4 corners of the 2-D array to zero. */ void zeroCorners(int myArr[][ARRAY_COLS]) { } } myArr[0][0] = 999; This function should Loop through every element in the 2-D array. If an element is odd, then subtract one from it to make it even. HINT: function printArray() is an example of Looping through every element in 2D array void makeEven (int myArr[][ARRAY_COLS]) { // TODO - put code here } int main() { int arr[][ARRAY_COLS] { {1, 2, 3, 4, 5, 6, 7, 8, 9, 10}, {11, 12, 13, 14, 15, 16, 17, 18, 19, 20}, {21, 22, 23, 24, 25, 26, 27, 28, 29, 30), }; std::cout << "Before: \n"; printArray(arr); zeroCorners (arr); makeEven(arr); std::cout << "\nAfter: \n"; printArray(arr);

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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Concept explainers

Passing Array as Argument

An array is a data structure that holds only fixed-size data and its contents are arranged in contiguous memory slots. The primary purpose of using an array is to store data items of the identical type together. An array can stockpile any one of the following types of data: int, float, char and so forth. The elements are stored from index 0, and the difference between the two indexes of the array is termed as an offset. The array has a fixed size. Once the size is defined during array declaration, it cannot be changed later.

Question

```cpp
#include <iostream>
#include <string>

const int ARRAY_COLS = 10;
const int ARRAY_ROWS = 3;

void printArray(int myArr[][ARRAY_COLS])
{
for (int i = 0; i < ARRAY_ROWS; i++)
{
for (int j = 0; j < ARRAY_COLS; j++)
{
std::cout << myArr[i][j] << ", ";
}
std::cout << "\n";
}
}

/*
This function currently sets the upper-left-hand corner of the 2D array to 999
Instead, this should set all 4 corners of the 2-D array to zero.
*/
void zeroCorners(int myArr[][ARRAY_COLS])
{
myArr[0][0] = 999;
}

/*
This function should loop through every element in the 2-D array.
If an element is odd, then subtract one from it to make it even.
HINT: function printArray() is an example of looping through every element in 2D array
*/
void makeEven(int myArr[][ARRAY_COLS])
{
// TODO - put code here
}

int main()
{
int arr[][ARRAY_COLS] = {
{1, 2, 3, 4, 5, 6, 7, 8, 9, 10},
{11, 12, 13, 14, 15, 16, 17, 18, 19, 20},
{21, 22, 23, 24, 25, 26, 27, 28, 29, 30},
};
std::cout << "Before:\n";
printArray(arr);

zeroCorners(arr);
makeEven(arr);

std::cout << "\nAfter:\n";
printArray(arr);
}
```

### Explanation:

1. **Headers and Constants**:
- The code includes `<iostream>` and `<string>` for input and output operations.
- Constants `ARRAY_COLS` and `ARRAY_ROWS` define the dimensions of a 3x10 array.

2. **printArray Function**:
- This function loops through a 2D array and prints each element.
- Nested loops iterate over rows and columns, printing each element of the array followed by a comma.

3. **zeroCorners Function**

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