Anonymous

#include <stdio.h>

int main()
{
	char line[100];
	int x = 0;
	int num[x];
	int count = 0;
	int option = 0;
	int avg = 0;
	int sum = 0;
	do
	{

		printf("Select an option: \n"
		       "1- Enter number\n"
		       "2- Avg of numbers\n"
		       "3- Quit\n"
		       "Option: ");
		       
		fgets(line, sizeof(line), stdin);
		sscanf(line, "%d", &option);

		switch(option)
		{
			case 1:
				printf("\nEnter a number: ");
				fgets(line, sizeof(line), stdin);
				sscanf(line, "%d", &num[x]);

				++x;
				break;

			case 2:
				for(count = 0; count == x; count++)
				{
					sum += num[count];
				}
				avg = count / sum;
				printf(" AVG %d",avg);
		}

	} while(option != 3);

	return 0;
}