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  1. //
  2. //  main.cpp
  3. //  Same Tree
  4. //
  5. //  Created by Himanshu on 14/10/21.
  6. //
  7.  
  8.  
  9. #include <iostream>
  10. #include <queue>
  11. using namespace std;
  12.  
  13. struct node {
  14.     int info = 0;
  15.     struct node *left, *right;
  16. };
  17. typedef struct node Node;
  18.  
  19. node* newNode(int data)
  20. {
  21.     node* Node = new node();
  22.     Node->info = data;
  23.     Node->left = NULL;
  24.     Node->right = NULL;
  25.  
  26.     return(Node);
  27. }
  28.  
  29. bool checkIfSame(Node *p, Node *q) {
  30.     if (p == NULL && q == NULL) {
  31.         return true;
  32.     } else if (p == NULL || q == NULL) {
  33.         return false;
  34.     }
  35.     if (p->info == q->info && checkIfSame(p->left, q->left) &&
  36.         checkIfSame(p->right, q->right)) {
  37.         return true;
  38.     } else {
  39.         return false;
  40.     }
  41.  
  42. }
  43.  
  44.  
  45. int main() {
  46.     Node *root = newNode(21);
  47.     root->left = newNode(30);
  48.     root->right = newNode(31);
  49.     root->right->left = newNode(40);
  50.     root->right->left->right = newNode(51);
  51.  
  52.     Node *root1 = newNode(21);
  53.     root1->left = newNode(30);
  54.     root1->right = newNode(31);
  55.     root1->right->left = newNode(40);
  56.     root1->right->left->right = newNode(51);
  57.  
  58.     Node *root2 = newNode(21);
  59.     root2->left = newNode(30);
  60.     root2->right = newNode(31);
  61.     root2->right->left = newNode(40);
  62.     root2->right->left->right = newNode(50);
  63.  
  64.     cout<<"Are trees with root (root) and root (root1) are same?"<<endl;
  65.     if (checkIfSame(root, root1)) {
  66.         cout<<"Trees are same"<<endl;
  67.     } else {
  68.         cout<<"Trees are not same"<<endl;
  69.     }
  70.  
  71.     cout<<"Are trees with root (root) and root (root2) are same?"<<endl;
  72.     if (checkIfSame(root, root2)) {
  73.         cout<<"Trees are same"<<endl;
  74.     } else {
  75.         cout<<"Trees are not same"<<endl;
  76.     }
  77.  
  78.     return 0;
  79. }
  80.  
  81.  
Success #stdin #stdout 0s 5636KB
comments (?)
stdin
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Standard input is empty
stdout
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Are trees with root (root) and root (root1) are same?
Trees are same
Are trees with root (root) and root (root2) are same?
Trees are not same
https://ideone.com/zB1xEH
language:
C++14 (gcc 8.3)
created:
2 years ago
visibility:
secret

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