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PREV Trees NEXT   (90 / 301)     Write a C program to determine the number of elements (or size) in a tree. Try this C program int tree_size(struct node* node)  {    if (node==NULL)    {      return(0);    }    else    {      return(tree_size(node->left) + tree_size(node->right) + 1);    }  }  PREV COMMENTS                                  INDEX                                  PRINT NEXT Last updated: November 3, 2005 www.cracktheinterview.com - Your destination for the most common IT interview questions, answers, frequently asked interview questions (FAQ), C Programs, C Datastructures for technical interviews conducted by the top IT companies around the world!