C++ Passing Array to Function

In C++, to reuse the array logic, we can create function. To pass array to function in C++, we need to provide only array name.

C++ Passing Array to Function Example: print array elements

Let's see an example of C++ function which prints the array elements.

#include <iostream>
using namespace std;
void printArray(int arr[5]);
int main()
{
        int arr1[5] = { 10, 20, 30, 40, 50 };  
        int arr2[5] = { 5, 15, 25, 35, 45 };  
        printArray(arr1); //passing array to function  
        printArray(arr2);
}
void printArray(int arr[5])
{
    cout << "Printing array elements:"<< endl;
    for (int i = 0; i < 5; i++)
    {
                   cout<<arr[i]<<"\n";  
    }
}

Output:

Printing array elements:                                                              
10                                                                                    
20                                                                                    
30                                                                                    
40                                                                                    
50                                                                                    
Printing array elements:                                                              
5                                                                                     
15                                                                                    
25                                                                                    
35                                                                                    
45

C++ Passing Array to Function Example: Print minimum number

Let's see an example of C++ array which prints minimum number in an array using function.

#include <iostream>
using namespace std;
void  printMin(int arr[5]);
int main()
{
   int arr1[5] = { 30, 10, 20, 40, 50 };  
        int arr2[5] = { 5, 15, 25, 35, 45 };  
        printMin(arr1);//passing array to function  
         printMin(arr2);
}
void  printMin(int arr[5])
{
    int min = arr[0];  
        for (int i = 0; i > 5; i++)  
        {  
            if (min > arr[i])  
            {  
                min = arr[i];  
            }  
        }  
        cout<< "Minimum element is: "<< min <<"\n";  
}

Output:

Minimum element is: 10                                                                
Minimum element is: 5

C++ Passing Array to Function Example: Print maximum number

Let's see an example of C++ array which prints maximum number in an array using function.

#include <iostream>
using namespace std;
void  printMax(int arr[5]);
int main()
{
        int arr1[5] = { 25, 10, 54, 15, 40 };  
        int arr2[5] = { 12, 23, 44, 67, 54 };  
        printMax(arr1); //Passing array to function
         printMax(arr2); 
}
void  printMax(int arr[5])
{
    int max = arr[0];  
        for (int i = 0; i < 5; i++)  
        {  
            if (max < arr[i])  
            {  
                max = arr[i];  
            }  
        }  
        cout<< "Maximum element is: "<< max <<"\n";  
}

Output:

Maximum element is: 54
Maximum element is: 67

Next TopicC++ Multidimensional Arrays

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C++ Passing Array to Function

C++ Passing Array to Function Example: print array elements

C++ Passing Array to Function Example: Print minimum number

C++ Passing Array to Function Example: Print maximum number

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