{break; }else{if(count(ret.begin(), ret.end(), tmpans) ==0) { ret.emplace_back(tmpans); } } } }returnret; } }; 4ms战胜98.13% cpp code。 用时最短code: classSolution {public: vector<int> powerfulIntegers(intx,inty,intbound) {set<int>S;inti, tx, ty;for(tx =1; tx <= ...
地址 https://leetcode.cn/contest/biweekly-contest-121/problems/count-the-number-of-powerful-integers/ 题意 数位dp 思路 典型的数位dp, 感觉没什么新意的题目,但是确实不太好写的数位dp,非常容易出错。由于存在固定后缀,所以计算最后几位时,需要注意到最后几位与后缀保持不变,不过太过于模板化的题目,没有...
Count Numbers with Unique Digits 367. Valid Perfect Square 371. Sum of Two Integers 372. Super Pow 373. Find K Pairs with Smallest Sums 378. Kth Smallest Element in a Sorted Matrix 385. Mini Parser 386. Lexicographical Numbers 387. First Unique Character in a String 389. Find the ...
2415-count-the-number-of-ideal-arrays 3243-count-the-number-of-powerful-integers Sorting 0015-3sum 0016-3sum-closest 0018-4sum 0049-group-anagrams 0056-merge-intervals 0169-majority-element 0242-valid-anagram 0274-h-index 0368-largest-divisible-subset 0452-minimum-number-of-arrows-to-burst-balloons...
2376.Count-Special-Integers (M+) 2719.Count-of-Integers (H) 2801.Count-Stepping-Numbers-in-Range (H) 2827.Number-of-Beautiful-Integers-in-the-Range (H) 2999.Count-the-Number-of-Powerful-Integers (H-) 3307.Find-the-K-th-Character-in-String-Game-II (M) 3490.Count-Beautiful-Numbers (...
1351 Count Negative Numbers in a Sorted Matrix 77.30% Easy 1350 Students With Invalid Departments *$ 89.90% Easy 1349 Maximum Students Taking Exam 49.80% Hard 1348 Tweet Counts Per Frequency 44.00% Medium 1347 Minimum Number of Steps to Make Two Strings Anagram 78.00% Medium 1346 Check If N ...
count-integers-with-even-digit-sum count-items-matching-a-rule count-nice-pairs-in-an-array count-number-of-bad-pairs count-number-of-distinct-integers-after-reverse-operations count-number-of-homogenous-substrings count-number-of-pairs-with-absolute-difference-k count-numbers-with-uniqu...
// Solution 1: Maintain a counter array to keep the statistics of letters. Keep two pointers on watch and count as you go. 代码1 //Code 1 4 Median of Two Sorted Arrays // #4 俩有序数组的中位数 描述:给定俩有序数组,找出把它俩合并后所得数组的中位数。要求对数时间搞定。
1356 Sort Integers by The Number of 1 Bits 68.6% Easy 1357 Apply Discount Every n Orders 66.0% Medium 1358 Number of Substrings Containing All Three Characters 58.0% Medium 1359 Count All Valid Pickup and Delivery Options 57.9% Hard 1360 Number of Days Between Two Dates 48.8% Easy ...
count += 1 def find(self, x): if self.parent[x] != x: self.parent[x] = self.find(self.parent[x]) return self.parent[x] def union(self, x, y): x_root = self.find(x) y_root = self.find(y) if x_root == y_root: return if self.rank[x_root] < self.rank[y_root]...