Problem 3

#include<stdio.h>
#include<stdlib.h>
typedef struct node
{
    int value;
    struct node *next;
}node;
node *head=NULL;
void insertfirst(int a)
{
    node *n=(node*)malloc(sizeof(node));
    n->next=NULL;
    n->value=a;
    if(head==NULL){
        head=n;
    }
    else{
        n->next=head;
        head=n;
    }
    return;
}

void display()
{
    node *list=head;
    while(list!=NULL){
        printf("Data = %d\n",list->value);
        list=list->next;
    }
    return;
}
int main()
{
    int i,n,x;
    printf("How many value you want to input: ");
    scanf("%d",&n);
    printf("\n\n");
    for(i=1;i<=n;i++){
        scanf("%d",&x);
        insertfirst(x);
    }
    display();
    return 0;
}