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  1. #include<stdio.h>
  2. #include<stdlib.h>
  3. #include<time.h>
  4. int check_heap(int a[], int n);
  5. void insert(int val, int a[], int *n);
  6. int deletemin(int a[],int *n);
  7.  
  8. int main(void) {
  9.   int a[12] = {1,13,71,14,15,80,91,24,60,63};
  10.   int n;
  11.   int i;
  12.   int b,c;
  13.  
  14.   srandom(time(NULL));
  15.  
  16.   b = random() % 100 + 1;
  17.   n = 10;
  18.   insert(b, a, &n);
  19.   n = 11;
  20.   c = random() % 100 + 1;
  21.   insert(c, a, &n);
  22.  
  23.   printf("%d\n", check_heap(a, 12));
  24.  
  25.   deletemin(a, &n);
  26.  
  27.  
  28.   return 0;
  29. }
  30.  
  31. int check_heap(int a[], int n) {
  32.   int i;
  33.   int m;
  34.   m = (n - 1) / 2;
  35.   for(i = 0; i < m; i++)
  36.     {
  37.       if(a[i] >= a[i * 2 + 1])
  38. 	{
  39. 	  return 0;
  40. 	}
  41.       if(a[i] >= a[i * 2 + 2]){
  42. 	return 0;
  43.       }
  44.     }
  45.  
  46.  
  47.   if(n % 2 == 0){
  48.  
  49.     if(a[(n - 1)/2] > a[n - 1]){
  50.  
  51.       return 0;
  52.     }
  53.   }
  54.   return 1;
  55.  
  56. }
  57.  
  58. void insert(int val, int a[], int *n) {
  59.  
  60.   int temp;
  61.   int i;
  62.  
  63.   a[*n] = val;
  64.   i = *n;
  65.  
  66.   while( 0 < i){
  67.  
  68.     if(a[(i-1)/2] <= a[i])
  69.       {
  70. 	break;
  71.       }
  72.  
  73.     temp =  a[(i-1) / 2];
  74.     a[(i-1) / 2] = a[i];
  75.     a[i] =  temp;
  76.     i = (i - 1)/2;
  77.  
  78.  
  79.   }
  80.  
  81. }
  82.  
  83. int deletemin(int a[],int *n){
  84.  
  85.   int b;
  86.   int i,j,k;
  87.  
  88.   b = a[0];
  89.  
  90.  
  91.   return b;
  92. }
  93.  
Success #stdin #stdout 0.02s 1676KB
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stdin 
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stdout 
1
https://ideone.com/vvLM6
language:
C (gcc 8.3)
created:
11 years ago
visibility:
public

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