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  1.  
  2. #include <bits/stdc++.h>
  3.  
  4. using namespace std;
  5.  
  6. struct node {
  7.     node * left;
  8.     node * right;
  9.     int val;
  10. };
  11.  
  12. int main() {
  13.     node * tmp = new node();
  14.     node * tmp2 = new node();
  15.     node * tmp3 = new node();
  16.      node * tmp4 = new node();
  17.      node * tmp5 = new node();
  18.      node * tmp6 = new node();
  19.      node * tmp7 = new node();
  20.      node * tmp8 = new node();
  21.  
  22.     tmp->val = 50;
  23.     tmp2->val = 20;
  24.     tmp3->val = 18;
  25.     tmp4->val = 34;
  26.     tmp5->val = 17;
  27.     tmp6->val = 19;
  28.     tmp7->val = 30;
  29.     tmp8->val = 35;
  30.  
  31.     tmp->left = tmp2;
  32.  
  33.     tmp2->left = tmp3;
  34.     tmp2->right = tmp4;
  35.  
  36.     tmp3->left = tmp5;
  37.     tmp3->right = tmp6;
  38.  
  39.     tmp4->left = tmp7;
  40.     tmp4->right = tmp8;
  41.  
  42.     int Count = 0;
  43.  
  44.     node * root = tmp;
  45.  
  46.     while(root->val!=30){
  47.         if(root->val<30){
  48.             root=root->right;
  49.         }
  50.         while(root->val>=30){
  51.             root=root->left;
  52.             if(root->val >30 and root->val <=70){
  53.                 root=root->left;
  54.                 Count++;
  55.             }
  56.         }
  57.     }
  58.  
  59.     cout << Count << endl;
  60.     return 0;
  61. }
Runtime error #stdin #stdout 0s 4548KB
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Standard input is empty
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Standard output is empty
https://ideone.com/75Q3We
language:
C++ (gcc 8.3)
created:
4 years ago
visibility:
public

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