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...
LeetCode224 Hard 基本计算器https://leetcode-cn.com/problems/basic-calculator/ LeetCode1006 Medium 笨阶乘https://leetcode-cn.com/problems/clumsy-factorial/ (3)字符串类 LeetCode394 Medium 字符串解码https://leetcode-cn.com/problems/decode-string/ 2.单调栈 LeetCode316 Medium 去除重复字母https:/...
"");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 < ...
classSolution {public:intcalculate(strings) {intn = s.size(), num =0, curRes =0, res =0;charop ='+';for(inti =0; i < n; ++i) {charc =s[i];if(c >='0'&& c <='9') { num= num *10+ c -'0'; }elseif(c =='(') {intj = i, cnt =0;for(; i < n; ++i)...
sscanf(b.c_str(),"%d+%di",&b1,&b2); r1=a1*b1-a2*b2,r2=a1*b2+a2*b1; returnto_string(r1)+"+"+to_string(r2)+"i"; } }; 参考资料: https://discuss.leetcode.com/topic/84261/java-3-liner https://discuss.leetcode.com/topic/84382/c-using-stringstream ...
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 ...
227.Basic-Calculator-II (H-) 772.Basic-Calculator-III (H) 385.Mini-Parser (H) 439.Ternary-Expression-Parser (H-) 591.Tag-Validator (H) 726.Number-of-Atoms (M+) 1087.Brace-Expansion (H) 1096.Brace-Expansion-II (H) 1106.Parsing-A-Boolean-Expression (H-) 1896.Minimum-Cost-to-Change...
1318 Minimum Flips to Make a OR b Equal to c 66.00% Medium 1317 Convert Integer to the Sum of Two No-Zero Integers 56.00% Easy 1316 Distinct Echo Substrings 49.70% Hard 1315 Sum of Nodes with Even-Valued Grandparent 85.60% Medium 1314 Matrix Block Sum 75.40% Medium 1313 Decompress Run-...
227 Basic Calculator II 22.2% Medium Minimum Height Trees 【题目】For a undirected graph with tree characteristics, we can choose any node as the root. The result graph is then a rooted tree. Among all possible rooted trees, those with minimum height are called minimum height trees (MHTs)....
日 一 练 ” Day 1767 DS Interview Question Describe the basic layer structure of ANN and what each part represent for. BA Interview Question Department Highest Salary The Employee table holds all employees. Every employee has an Id, a salary, and there is also a column for the department Id...