#include <stdio.h>
#include <stdlib.h>
#include <time.h>
typedef struct queue{
int *data,head,tail,size,count;
} queue;
queue *init(int );
void clear(queue *);
int push(queue *,int );
int pop(queue *);
void output(queue *);
int empty(queue *);
int exten(queue *);
int front(queue *);
int main(){
srand( time(0));
queue *q = init(1);
for(int i=0; i<20; ++i){
int val = rand() % 100; //随机插入的值
int ope = rand() %