PROGRAMMING:Analysis of array comprehensive application code

Please analyze the following code to understand the comprehensive application of array. If you want to pass this question, please submit the last code directly.
```
int a[201],size=0; // Global variables
#include
#include
#include
int menu(); // Function declaration
int print();
int init();
void sort();
int max();
void min();
int sum();
int average();
int append();
int get_ index(int n);
int find();
void del();
Int main() {/ / main function
char c='#';
while(c!=' X'){
c=menu();
switch(c){
case 'P': print(); break;
case 'I': init(); break;
case 'S': sort(); break;
case 'D': del(); break;
case 'M': max(); break;
case 'N': min(); break;
case 'U': sum(); break;
case 'G': average(); break;
case 'A': append(); break;
case 'F': find(); break;
case 'X': break;
default:printf ("wrong command...);
}
if(c!=' X'){
Printf ("\ npress any key to continue...);
getch();
}
}
}
int menu(){
Printf ("\ n ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^;
Printf ("\ n * I. initialize U. all elements and *");
Printf ("\ n * P. output g. average value of all elements *");
Printf ("\ n * s. sort A. add element at the end *");
Printf ("\ n * M. max. F. find element *");
Printf ("\ n * n. minimum D. delete element *");
Printf ("\ n * X. exit program *");
printf("\n***");
Printf ("\ n please enter your choice?");
char c;
c=getche();
if(c>='a'&&c<='z')c=c-32;
return c;
}
int print(){
int i; Printf ("- array has% d elements in total:,, size));
for(i=0; i}
int init(){
Printf ("- the system initialization array is five random integers from 1 to 1000.");
int i;
size=5;
srand(time(NULL));
for(i=0; iprint();
}
void sort(){
int i,j,t;
for(i=0; ifor(j=i+1; jif(a[i]t=a[i]; a[i]=a[j]; a[j]=t;
}
Printf ("- sort complete...");
print();
}
int max(){
int m,i;
If (size = = 0) printf ("- no element!");
else{
m=a[0];
for(i=1; iPrintf ("\ nmaximum element% d", m));
}
}
void min(){
int m,i;
If (size = = 0) printf ("- no element!");
else{
m=a[0];
for(i=1; ia[i])m=a[i];
Printf ("\ nminimum element% d", m));
}
}
int sum(){
int s=0,i;
If (size = = 0) printf ("- no element!");
else{
for(i=0; iPrintf ("- sum of all elements: D", s));
}
}
int average(){
int s=0,i;
If (size = = 0) printf ("- no element!");
else{
for(i=0; iPrintf ("- average value of all elements: LF", (double) s / size));
}
}
int append(){
int i,p=0,n;
Printf ("- please enter the element to be added:);
scanf("%d",&n);
a[size++]=n;
print();
}
int get_ index(int n){
int i;
for(i=0; iif(a[i]==n) return i;
return -1;
}
int find(){
int i,n,index;
Printf ("- please enter the element you want to find:);
scanf("%d",&n);
index=get_ index(n);
if(index!=- 1)
Printf ("- found, index is% d.", index));
else
Printf ("\ nnot found.");
}
void del(){
int n,i,index;
Printf ("- please enter the element you want to find:);
scanf("%d",&n);
index=get_ index(n);
if(index==-1){
Printf ("element with value% d not found.", n));
return;
}
for(i=index; isize--;
print();
}
```
###Input example:
```in
```
###Output example:
```out
0
```
###Output the code of 0. Please submit the code directly:
```
#include
int main(){
printf("0");
return 0;
}
```







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