自答[119ms内存456.0 KiB] #include<iostream>using namespace std;int num = 0;void judge(int n, int x) { int t = n % 10; if (n != 0 || t != 0) if (x == t || x == n) { num++; t = n / 10; judge(t, x); } else { t = n / 10; judge(t, x); }}int main(){ int n, x;
leetcode面试准备:Lowest Common Ancestor of a Binary Search Tree & Binary Tree 1 题目 Binary Search Tree的LCA Given a binary search tree (BST), find the lowest common ancestor (LCA) of two given nodes in the BST. According to the definition of LCA on Wikiped
P1653疯狂的方格取数 Accepted 标签:天才的talent[显示标签] 背景 Due to the talent of talent123,当talent123做完NOIP考了两次的二取方格数和vijos中的三取方格数后,突发奇想.... 描述 在一个宽M,长N的矩阵中,请你编一个程序,n次从矩阵的左上角走到矩阵的右下角,每到一处,就取走该处的数字,请你选择一种走法使取得的数字的和最大,并输出其最大值.其中:3<=M<=20 M<=N<=100 1<=n<
题目: Given a complete binary tree, count the number of nodes. Definition of a complete binary tree from Wikipedia: In a complete binary tree every level, except possibly the last, is completely filled, and all nodes in the last level are as far left a