力扣leetcode-cn.com/problems/basic-calculator/ 题目描述 给你一个字符串表达式 s ,请你实现一个基本计算器来计算并返回它的值。 示例1: 输入:s = "1 + 1" 输出:2 示例2: 输入:s = " 2-1 + 2 " 输出:3 示例3: 输入:s = "(1+(4+5+2)-3)+(6+8)" 输出:23提示...
力扣224.基本计算器 力扣leetcode-cn.com/problems/basic-calculator/ 题目描述 实现一个基本的计算器来计算一个简单的字符串表达式的值。 字符串表达式可以包含左括号 ( ,右括号 ),加号 + ,减号 -,非负整数和空格 。 示例1: 输入: "1 + 1" 输出: 2 示例2: ...
"");8intn =s.length();9intnum1 = 0;10into1 = 1;11intnum2 = 1;12into2 = 1;13Stack<Integer> stk =newStack<>();1415for(inti = 0; i<n; i++){16charc =s.charAt(i);17if(Character.isDigit(c)){18intcur = 0;19while(i < ...
Input: expression = "a* b *c + b* a *c* 4", evalvars = [], evalints = [] Output: ["5*a*b*c"] Example 5: Input: expression = "((a - b)* (b - c) + (c - a)) *((a - b) + (b - c)* (c - a))", evalvars = [], evalints = [] Output: ["-1*a*a...
operation with the summation value as an operandwhileisinstance(stack[-1],int):result+=stack.pop()sign=stack.pop()operand=self.solve(result,sign,stack)sign='+'else:# Push the result value to the stack for later summation# Save the operator for calculation in a coming loopsign=c ...
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739.每日温度 给定一个整数数组temperatures，表示每天的温度，返回一个数组answer，其中answer[i]是指对于...
CMakeLists.txt Readme.md Repository files navigation README My YouTube Channel: LeetCode Daily Live Coding and Interpretation My LeetCode Daily Problem & Contest Group: See rules and score board here (If you are interested in joining this group, ping me guan.huifeng@gmail.com) LeetCode难...
public class Solution { /** * https://leetcode.com/discuss/55304/java-easy-understand-o-n-solution * * a, b, c stands for the next number to multiply 2 or 3 or 5 respectively * for example, c always stands for the index of number series starting from 1 and each element will mult...
1、找出一个没有重复的数 给你一组整型数据，这些数据中，其中有一个数只出现了一次，其他的数都出现...