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  1. #include<stdio.h>
  2. #define Queue_size 10
  3.  
  4. int Queue[Queue_size];
  5. int in,out;
  6. int count;
  7. void initialze() {
  8.     in = 0; out = 0; count =0;
  9. }
  10. void enterq(int val) {
  11.     if(count<Queue_size ){
  12.         in++;
  13.         if(in==Queue_size) in =0;
  14.         count++;
  15.         Queue[in] = val;
  16.     }else printf("Queue full\n");
  17. }
  18. int removeq(void) {
  19.     if(count>0) {
  20.         out++;
  21.         if(out==Queue_size) out =0;
  22.         count--;
  23.         return Queue[out];
  24.     }else {
  25.         printf("Queue empty\n");
  26.         return -1;
  27.     }
  28. }
  29. void display(void) {
  30.     int i;
  31.     for(i=1;i<=Queue_size;i++){
  32.         printf("\n%d\n",Queue[i]);
  33.         if(count == i) break;
  34.     }
  35. }
  36.  
  37.  main() {
  38.     int mode,id;
  39.     initialze();
  40.     mode = 1;
  41.     while(mode) {
  42.         printf("queue process ? enter(1) or  remove(0) ="); scanf("%d",&mode);
  43.         if(mode==1) {
  44.             printf("? id = "); scanf("%d",&id);
  45.             enterq(id);
  46.         }else if(mode==0) {
  47.             id = removeq();
  48.             if(id>0) printf("id = %d was removed\n",id);
  49.         }
  50.         display();
  51.         printf("?continue(1) or quit(0) = "); scanf("%d",&mode);
  52.     }
  53.     return 0;
  54. }
  55.  
  56.  
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https://ideone.com/6y0sLF
language:
C++ (gcc 8.3)
created:
12 years ago
visibility:
public

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