http://codility.com/demo/take-sample-test/treeheight
非常非常简单的求树的深度。不忍直视。
// you can also use includes, for example: // #include <algorithm> int get_height(tree * T) { if (T->l == NULL && T->r == NULL) return 0; int hl = 0; int hr = 0; if (T->l != NULL) hl = get_height(T->l); if (T->r != NULL) hr = get_height(T->r); return max(hl, hr) + 1; } int solution(tree * T) { // write your code in C++98 return get_height(T); }