C Function Help - Solve Issues with Void Function

[Colton0117]

I am having issues making my function work. If there is not a void function included, my program works as intended but sadly I need to have a function. I am at a loss as how to implement this type of function. The requirements are below and any help asap would be GREATlY appreciated!

Write a program that include the following function:
void insert0(int n, int a1[], int a2[]);

In the main function, ask the user to enter the length of the input array, declare the input and output arrays, read in the values for the input array, and call the insert0 function to compute the output array. The main function should display the result of the output array.
Enter the length of the array: 5
Enter the elements of the array: 3 4 9 1 4
Output: The output array is: 3 0 4 0 9 0 1 0 4 0

My code:

#include <stdio.h>

void insert0(int n, int a1[], int a2[]);

int main() {

int i = 0;
int n = 0;
int a1[n];
int a2[n * 2];

printf("Enter the length of the array: ");
scanf("%d",&n);

printf("Enter the elements of the array: ");

for(i = 0; i < n; i++){ //adds values to first array
        scanf("%d",&a1[i]);
}

//call function here

for( i = 0; i < n*2; i++){ //prints array 2
        printf("%d", a2[i]);
        }

void insert0 (int n, int a1[], int a2[]){//inserts 0's between each number
for(i = 0; i < n; i++){
        a2[i+i] = a1[i];
        a2[i+i+1] = 0;
        }
        return 0;
}

 

[squidsk]

I am having issues making my function work. If there is not a void function included, my program works as intended but sadly I need to have a function. I am at a loss as how to implement this type of function. The requirements are below and any help asap would be GREATlY appreciated!

Write a program that include the following function:
void insert0(int n, int a1[], int a2[]);

In the main function, ask the user to enter the length of the input array, declare the input and output arrays, read in the values for the input array, and call the insert0 function to compute the output array. The main function should display the result of the output array.
Enter the length of the array: 5
Enter the elements of the array: 3 4 9 1 4
Output: The output array is: 3 0 4 0 9 0 1 0 4 0

My code:

#include <stdio.h>

void insert0(int n, int a1[], int a2[]);

int main() {

int i = 0;
int n = 0;
int a1[n];
int a2[n * 2];

printf("Enter the length of the array: ");
scanf("%d",&n);

printf("Enter the elements of the array: ");

for(i = 0; i < n; i++){ //adds values to first array
        scanf("%d",&a1[i]);
}

//call function here

for( i = 0; i < n*2; i++){ //prints array 2
        printf("%d", a2[i]);
        }

void insert0 (int n, int a1[], int a2[]); //inserts 0's between each number   <------ This line is the problem
for(i = 0; i < n; i++){
        a2[i+i] = a1[i];
        a2[i+i+1] = 0;
        }
        return 0;
}

Look carefully at the function header, the marked line, for your insert0 function you have syntax error on the line.

 

[Colton0117]

Look carefully at the function header, the marked line, for your insert0 function you have syntax error on the line.

I have fixed that issue, although that was just a typo and not my actual problem.

 

[squidsk]

I have fixed that issue, although that was just a typo and not my actual problem.

OK, then what's wrong with your solution, other than you haven't called the function in main?