#include<stdio.h>
#include<time.h>
#include<math.h>
#include<stdlib.h>

int main()

{

int A[99]={0},X[99]={0},Size=0,z,menu=1;
int small,large,Num;
char pick;
srand(time(NULL));

while(menu==1)
{
 printf("                ::::::::::::::::::::::::::::::::::::::::::::::\n");
 printf("                ::    -a- Manually load array               ::\n");
 printf("                ::    -b- Randomly load array               ::\n");      
 printf("                ::    -c- Print out array                   ::\n");          
 printf("                ::    -d- Copy values of [A] into [X]       ::\n");           
 printf("                ::    -e- Print out the values of [A]       ::\n");         
 printf("                ::    -f- Print out the values of [X]       ::\n");     
 printf("                ::    -g- Find smallest value of [A]        ::\n");     
 printf("                ::    -h- Find the largest value of [A]     ::\n");   
 printf("                ::    -i- Reverse the order of [A]          ::\n");    
 printf("                ::    -j- Sort [A] in ascending order       ::\n");     
 printf("                ::    -k- Sort [A] in descending order      ::\n");   
 printf("                ::    -l- Set every value of [A] to 0       ::\n");    
 printf("                ::    -m- Set every value of [X] to 0       ::\n");   
 printf("                ::    -n- Find the mean of [A]              ::\n");   
 printf("                ::    -o- Find the median of [A]            ::\n");      
 printf("                ::    -p- Exit program                      ::\n");     
 printf("                ::::::::::::::::::::::::::::::::::::::::::::::\n"); 
 scanf("%c",&pick);

 switch (pick)
 {

 case 'a'://manually load array
  printf("How big do you want the [A] to be?\n");
  scanf("%d",&Size);//scans the number entered which sets the size of [A]
  printf("Enter your numbers:\n"); 
  for (z=0;z<Size;z++)scanf("%d",&A[z]);//allows the user to assign each value to [A]
  break;
     
 case 'b'://randomly loads array
  {
  printf("How big do you want [A] to be?\n"); 
  scanf("%d",&Size);//scans the number entered which sets the size of [A]
  for (z=0;z<Size;z++)A[z]=rand()%100;//puts in random values for each value of [A]
  }
  break;
     
 case 'c'://prints [A] 
  {
 // if (A[z]>=1)
  for (z=0;z<Size;z++)printf("%d\n",A[z]);//prints out each value of [A]
 // else printf("0");
  }
  break; 
  
 case 'd'://copies values of [A] to [X] 
  for (z=0;z<Size;z++)X[z]=A[z];//copies each value of [A] to [X]
  break;

 case 'e'://prints out values of [A]
  for (z=0;z<Size;z++)printf("%d\n",A[z]);//prints out [A]
  break;

 case 'f'://prints out values of [X]
  for (z=0;z<Size;z++)printf("%d\n",X[z]);//prints out [X]
  break;

 case 'g'://smallest value
  small=A[0];//defines small
  for (z=1;z<Size;z++)if(A[z]<small)small=A[z];//tests each number to find the smallest
  printf("%d\n",small);//prints out the smallest number 
  break;

 case 'h'://largest value
  large=A[0];//defines large
  for (z=1;z<Size;z++)if(A[z]>large)large=A[z];//tests each number to find the largest
  printf("%d\n",large);//prints out the largest number 
  break;

 case 'i'://reverse order
  for(z=Size-1;z>=0;z-=1)printf("%d\n",A[z]);//prints out [A] in the reverse order
  break;

 case 'j'://ascending order
    break;

 case 'k'://descending order
   break;

 case 'l'://sets values of [A] to 0

  break;

 case 'm'://sets values of [X] to 0

  break;

 case 'n'://mean

  break;

 case 'o'://median

  break;

 case 'p'://exits program
  printf("Thanks for using the program.\n");
  menu=0;//sets menu to 0 so the program will close
  break;

 default://default option if no known value is selected
  printf("Invalid option selected\n");
  menu=0;
  break;
 }
}


return 0;
}