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  1. #include<stdio.h>
  2. #include<stdlib.h>
  3. #include<stdbool.h>
  4. #include<limits.h>
  5.  
  6. struct tree
  7. {
  8.     int data;
  9.     struct tree* left;
  10.     struct tree* right;
  11. };
  12. typedef struct tree tree;
  13.  
  14. tree* create(int data)
  15. {
  16.     tree* temp=(tree*)malloc(sizeof(tree));
  17.     temp->data=data;
  18.     temp->left=NULL;
  19.     temp->right=NULL;
  20.     return temp;
  21. }
  22.  
  23. tree* insertion(tree* root,int data)
  24. {
  25.     if(root==NULL)
  26.     {
  27.         root=create(data);
  28.         return root;
  29.     }
  30.     else
  31.     {
  32.         if(root-> data > data)
  33.         {
  34.             root->left=insertion(root->left,data);
  35.         }
  36.         else
  37.         {
  38.             root->right=insertion(root->right,data);
  39.         }
  40.         return root;
  41.     }
  42. }
  43.  
  44. tree* preorder(tree* root)
  45. {
  46.     if(root==NULL)
  47.     {
  48.         return NULL;
  49.     }
  50.     printf(" %d ",root->data);
  51.     preorder(root->left);
  52.     preorder(root->right);
  53. }
  54.  
  55. void Print_node(tree* root, int space)
  56. {
  57.     if (root == NULL)
  58.         return;
  59.  
  60.     space += 5;
  61.  
  62.     Print_node(root->right, space);
  63.  
  64.     printf("\n");
  65.     for (int i = 5; i < space; i++)
  66.         printf(" ");
  67.     printf("%d\n", root->data);
  68.  
  69.     Print_node(root->left, space);
  70. }
  71.  
  72. int Totalsum(tree* root)
  73. {
  74.     if(root==NULL)
  75.     {
  76.         return 0;
  77.     }
  78.     return root->data+Totalsum(root->left)+Totalsum(root->right);
  79. }
  80.  
  81. int countnode(tree* root)
  82. {
  83.     if(root==NULL)
  84.     {
  85.         return 0;
  86.     }
  87.     return 1+countnode(root->left)+countnode(root->right);
  88. }
  89.  
  90. int internalnodes(tree* root)
  91. {
  92.     if(root==NULL)
  93.     {
  94.         return 0;
  95.     }
  96.     else
  97.     {
  98.         if(root->left==NULL && root->right==NULL)
  99.         {
  100.             return 0;
  101.         }
  102.         return root->data+internalnodes(root->left)+internalnodes(root->right);
  103.     }
  104. }
  105.  
  106. int leafsum(tree* root)
  107. {
  108.     if(root==NULL)
  109.     {
  110.         return 0;
  111.     }
  112.     int sum=0;
  113.     if(root->left==NULL && root->right==NULL)
  114.     {
  115.         sum=sum+root->data;
  116.     }
  117.     sum=sum+leafsum(root->left);
  118.     sum=sum+leafsum(root->right);
  119.  
  120.     return sum;
  121. }
  122.  
  123. int Evensum(tree* root)
  124. {
  125.     if(root==NULL)
  126.     {
  127.         return 0;
  128.     }
  129.     int sum=0;
  130.     if((root->data)%2==0)
  131.     {
  132.         sum=sum+root->data;
  133.     }
  134.     sum=sum+Evensum(root->left);
  135.     sum=sum+Evensum(root->right);
  136.     return sum;
  137. }
  138.  
  139. int oddsum(tree* root)
  140. {
  141.     if(root==NULL)
  142.     {
  143.         return 0;
  144.     }
  145.     int sum=0;
  146.     if((root->data)%2!=0)
  147.     {
  148.         sum=sum+root->data;
  149.     }
  150.     sum=sum+oddsum(root->left);
  151.     sum=sum+oddsum(root->right);
  152.     return sum;
  153. }
  154.  
  155. int findmaxvalue(tree* root)
  156. {
  157.     if(root==NULL)
  158.     {
  159.         return 0;
  160.     }
  161.     int left=findmaxvalue(root->left);
  162.     int  right=findmaxvalue(root->right);
  163.     int maximum=root->data;
  164.     if(left> maximum)
  165.     {
  166.         maximum=left;
  167.     }
  168.     if(right>maximum)
  169.     {
  170.         maximum=right;
  171.     }
  172.  
  173.     return maximum;
  174. }
  175.  
  176. int findminivalue(tree* root)
  177. {
  178.     if(root==NULL)
  179.     {
  180.         return INT_MAX;
  181.     }
  182.     int left=findminivalue(root->left);
  183.     int  right=findminivalue(root->right);
  184.     int minimum=
  185.  
Compilation error #stdin compilation error #stdout 0s 0KB
comments (?)
stdin 
Standard input is empty
compilation info 
prog.cpp: In function ‘int findminivalue(tree*)’:
prog.cpp:184:16: error: expected primary-expression at end of input
     int minimum=
                ^
prog.cpp:184:16: error: expected ‘}’ at end of input
prog.cpp:177:1: note: to match this ‘{’
 {
 ^
prog.cpp: In function ‘tree* preorder(tree*)’:
prog.cpp:52:13: warning: control reaches end of non-void function [-Wreturn-type]
     preorder(root->right);
     ~~~~~~~~^~~~~~~~~~~~~
prog.cpp: In function ‘int findminivalue(tree*)’:
prog.cpp:183:29: warning: control reaches end of non-void function [-Wreturn-type]
     int  right=findminivalue(root->right);
                ~~~~~~~~~~~~~^~~~~~~~~~~~~
stdout 
Standard output is empty
https://ideone.com/AKZGg0
language:
C++ (gcc 8.3)
created:
164 days ago
visibility:
secret

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