题目: 给定字符串J 代表石头中宝石的类型,和字符串 S代表你拥有的石头. S 中每个字符代表了一种你拥有的石头的类型,你想知道你拥有的石头中有多少是宝石. You're given strings J representing the types of stones that are jewels, and S representing the stones you have. Each character in S is a type of stone you have. You want…
You're given strings J representing the types of stones that are jewels, and S representing the stones you have. Each character in S is a type of stone you have. You want to know how many of the stones you have are also jewels. The letters in J are…
[题目] You're given strings J representing the types of stones that are jewels, and S representing the stones you have. Each character in S is a type of stone you have. You want to know how many of the stones you have are also jewels. The letters in …
给定字符串J 代表石头中宝石的类型,和字符串 S代表你拥有的石头. S 中每个字符代表了一种你拥有的石头的类型,你想知道你拥有的石头中有多少是宝石. J 中的字母不重复,J 和 S中的所有字符都是字母.字母区分大小写,因此"a"和"A"是不同类型的石头. You're given strings J representing the types of stones that are jewels, and S representing the stones you…
1046. 最后一块石头的重量 1046. Last Stone Weight 题目描述 每日一算法2019/6/22Day 50LeetCode1046. Last Stone Weight Java 实现 and so on 参考资料 https://leetcode.com/problems/last-stone-weight/ https://leetcode-cn.com/problems/last-stone-weight/…
171. Excel Sheet Column Number Related to question Excel Sheet Column Title Given a column title as appear in an Excel sheet, return its corresponding column number. For example: A -> 1 B -> 2 C -> 3 ... Z -> 26 AA -> 27 AB -> 28 从A到Z依次代…
https://leetcode.com/problems/excel-sheet-column-number/ class Solution { public: int titleToNumber(string s) { int ans = 0; for(int i = 0;i < s.length();i++) { ans *= 26; ans += s[i] - 'A' + 1; } return ans; } };…
Related to question Excel Sheet Column Title Given a column title as appear in an Excel sheet, return its corresponding column number. For example: A -> 1 B -> 2 C -> 3 ... Z -> 26 AA -> 27 AB -> 28 题目标签:Math 这一题和 #168 是逆向思维. 从string s 的…
Related to question Excel Sheet Column Title Given a column title as appear in an Excel sheet, return its corresponding column number. For example: A -> 1 B -> 2 C -> 3 ... Z -> 26 AA -> 27 AB -> 28 Credits:Special thanks to @ts for addi…
有一堆石头,每块石头的重量都是正整数. 每一回合,从中选出两块最重的石头,然后将它们一起粉碎.假设石头的重量分别为 x 和 y,且 x <= y.那么粉碎的可能结果如下: 如果 x == y,那么两块石头都会被完全粉碎:如果 x != y,那么重量为 x 的石头将会完全粉碎,而重量为 y 的石头新重量为 y-x.最后,最多只会剩下一块石头.返回此石头的重量.如果没有石头剩下,就返回 0. 提示: 1 <= stones.length <= 301 <= stones[i] <…
171. Excel表列序号 给定一个Excel表格中的列名称,返回其相应的列序号. 例如, A -> 1 B -> 2 C -> 3 ... Z -> 26 AA -> 27 AB -> 28 ... 示例 1: 输入: "A" 输出: 1 示例 2: 输入: "AB" 输出: 28 示例 3: 输入: "ZY" 输出: 701 class Solution { public int titleToNumbe…
Related to question Excel Sheet Column Title Given a column title as appear in an Excel sheet, return its corresponding column number. For example: A -> 1 B -> 2 C -> 3 ... Z -> 26 AA -> 27 AB -> 28 很简单. public class Solution { public in…
Problem: Given a column title as appear in an Excel sheet, return its corresponding column number. For example: A -> 1 B -> 2 C -> 3 ... Z -> 26 AA -> 27 AB -> 28 Summary: 将二十六进制数字转为十进制. Analysis: class Solution { public: int titleToNumb…
Related to question Excel Sheet Column Title Given a column title as appear in an Excel sheet, return its corresponding column number. For example: A -> 1 B -> 2 C -> 3 ... Z -> 26 AA -> 27 AB -> 28 解题思路: JAVA实现如下: publ…
题目描述: A -> 1 B -> 2 C -> 3 ... Z -> 26 AA -> 27 AB -> 28 解题思路: 循环读取数字,从左向右读取,每次该位字符减去A加上一即为该为数字代表的数值,然后每次循环前将之前的结果乘以26.表示该表示为26进制. 代码如下: public class Solution { public int titleToNumber(String s) { int i = 0; int result = 0; int length;…