原创 LeetCode 202 Happy number
Write an algorithm to determine if a number is "happy". A happy number
2020-07-02 10:12:27
原创 算法導論 動態規劃之鋼條切割
#include<iostream> #include<algorithm> using namespace std; int UpToBottom(int *p,int n)//普通的自頂向下實現 { if (n == 0) re
2020-07-02 10:12:27
原创 Leetcode266 Palindrome Permutation
Question Given a string, determine if a permutation of the string could form a palindrome. For example, “code” -> F
2020-07-02 10:12:16
原创 Uva133 約瑟夫圓環新解
之前學數據結構遇到雙向循環列表，現在發現一種更簡便的方法解決類似約瑟夫圓環問題。 #include<iostream> using namespace std; int n,k,m ,a[25]; int go(int p, int
2020-07-02 10:12:15
原创 LeetCode 136 single number
題目： 給定一個數組，每個元素都出現2次除了其中的一個，找出只出現一次的數字注意：算法必須是線性時間複雜度，不使用額外的空間。 提示：利用亦或運算的性質。 #include<iostream> #include<vector> using
2020-07-02 10:12:15
原创 Uva1588
/*Page 59 3-11 齒輪齧合 */</span>#include <iostream> using namespace std; int main() { char Up[100], Down[100]; while (sc
2020-02-23 18:37:01
原创 Uva201 Squares
*未按照題目的格式。 /*整體思路：枚舉法，掃描全部的點，用size代表每次檢查的正方形邊長，依次檢查是否滿足題意*/ #include<iostream> using namespace std; int H[10][10]; int
2020-02-23 18:36:50
原创 Uva10340
#include<iostream> #include<string> using namespace std; int main() { int score = 0; string s, t; cin >> s >> t;
2020-02-23 18:36:50
原创 LeetCode 217 Contains Duplicate
題目：Given an array of integers, find if the array contains any duplicates. Your function should return true if any value
2020-02-23 18:36:50
原创 LeetCode137 Single Number II
question: Given an array of integers, every element appears three times except for one. Find that single one. Note:
2020-02-23 18:36:50
原创 LeetCode 191 number of 1 bits
Write a function that takes an unsigned integer and returns the number of ’1' bits it has (also known as the Hamming
2020-02-23 18:36:50
原创 LeetCode 258. Add Digits
Given a non-negative integer num, repeatedly add all its digits until the result has only one digit. For example: G
2020-02-23 18:36:50
原创 LeetCode 231 Power of Two（三解）
231. Power of Two Given an integer, write a function to determine if it is a power of two. 我的方法是暴力求解，循環讓1一直乘以2，如果結果等於n
2020-02-23 18:36:50
原创 LeetCode 3 Longest Substring Without Repeating Characters
題目： Given a string, find the length of the longest substring without repeating characters. For example, the longest
2020-02-23 18:36:50
原创 LeetCode 83 Remove Duplicates from Sorted List
題目： Given a sorted linked list, delete all duplicates such that each element appear only once. For example, Given 1
2020-02-23 18:36:50