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Scala 代码object Solution { def myAtoi(s: String): Int = { import scala.util.{Failur...
直接相加returnnum#情况二classSolution:defromanToInt(self,s:str)->int:list={"I":1,"V":5,"X...
class Solution { public boolean canPartition(int[] nums) { if (nums == null || nums.length == 0) throw new IllegalArgumentException(); int total = 0; for (int num : nums) { total += num; } if (total % 2 == 1) return false; int target = total / 2; // <index, <target...
#TitleSolutionTimeSpaceDifficultyTagNote 2151 Maximum Good People Based on Statements C++ Python O(n^2 * 2^n) O(1) Hard Bitmasks, Brute Force 2212 Maximum Points in an Archery Competition C++ Python O(n * 2^n) O(n) Medium Bitmasks, Brute Force 2220 Minimum Bit Flips to Convert Number...
转载自:LeetCode Question Difficulty Distribution 1 Two Sum 2 5 array sort set Two Pointers 2 Add Two Numbers 3 4 linked list Two Pointers Math 3 Longest Substring Without Repeating Characters 3 2 string Two Pointers hashtable 4 Median of Two Sorted Arrays 5 3 array Binary Search 5 Longest ...
#TitleSolutionTimeSpaceDifficultyTagNote 2104 Sum of Subarray Ranges C++ Python O(n) O(n) Medium Mono Stack 2197 Replace Non-Coprime Numbers in Array C++ Python O(nlogm) O(1) Hard Stack, Math 2281 Sum of Total Strength of Wizards C++ Python O(n) O(n) Hard variant of Largest Rectangle...
Find Largest Value in Each Go Medium O(n) O(n) Tree Row 542. 01 Matrix Go Medium O(n) O(1) 980. Unique Paths III Go Hard O(n log n) O(n) -- -- Dynamic Programming Title Solution Difficulty Time Space 53. Maximum Subarray Go Easy O(n) O(n) 62. Unique Paths Go Medium ...
Solution: My solution to this problem is by DFS and backtracking. The difference is that I added some optimization strategies to the program: 1. [7][6] can be represented as [7 * 9 + 6], you don't have to calculate it every time, store the coordinates in an array instead. ...
1237 Find Positive Integer Solution for a Given Equation 69.70% Medium 1236 Web Crawler $ 65.40% Medium 1235 Maximum Profit in Job Scheduling 50.50% Hard 1234 Replace the Substring for Balanced String 35.50% Medium 1233 Remove Sub-Folders from the Filesystem 64.50% Medium 1232 Check If It Is ...