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  1. #include<stdio.h>
  2. void partsf();
  3. void branches();
  4. void stand();
  5. int n;
  6. int parts;
  7.  
  8. int main()
  9. {
  10. printf("enter no. of days");
  11. scanf("%d",&n);
  12. parts= n-1;
  13. if(n<=1)
  14. printf("you cannot generate christmas tree");
  15. else if(n>20)
  16. printf("tree is no more");
  17. else{
  18. partsf();
  19. stand();
  20. getch();
  21. return 0;
  22. }
  23. }
  24.  
  25.  
  26. void partsf(){
  27. int i;
  28. for(i=parts;i>0;i--){
  29. if(i==parts)
  30. branches(n+1,1,n);
  31. else if(i==parts-1)
  32. branches(n-1,3,n-1) ;
  33. else if(i==1)
  34. branches(n-2,3,n-1);
  35. else
  36. branches(n-1,3,n-1);
  37. }}
  38.  
  39. void branches(int k , int leaf,int space)
  40. {
  41. int j,temp ;
  42. while(k!=0){
  43. temp=space;
  44. while(space!=0){
  45. printf(" ");
  46. space--;
  47. }
  48. for(j=1 ; j<=leaf ; j++)
  49. printf("*");
  50. printf("\n");
  51. leaf=leaf+2;
  52. k--;
  53. space = temp-1;
  54.  
  55. }
  56. }
  57.  
  58. void stand(){
  59. int i=2;
  60. int m;
  61. while(i!=0){
  62. m=n;
  63. while(m!=0) {
  64. printf(" ");
  65. m--;}
  66. printf("*\n");
  67. i--;
  68. }
  69. }
  70.  
  71.  
  72.  
  73.  
  74.  
  75.  
  76.  
  77.  
Compilation error #stdin compilation error #stdout 0s 0KB
comments (?)
stdin
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Standard input is empty
compilation info 
prog.c: In function 'main':
prog.c:20:1: warning: implicit declaration of function 'getch' [-Wimplicit-function-declaration]
 getch();
 ^
/home/Qme9Pm/ccdOKBAw.o: In function `main':
prog.c:(.text.startup+0x52): undefined reference to `getch'
collect2: error: ld returned 1 exit status
stdout
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Standard output is empty
https://ideone.com/2eARNf
language:
C (gcc 8.3)
created:
7 years ago
visibility:
public

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