leetcode.cn 2026-08-21
🔴3116.kth-smallest-amount-with-single-denomination-combination
🏷️ Tags
#bit_manipulation #array #math #binary_search #combinatorics #number_theory
🔴3116.kth-smallest-amount-with-single-denomination-combination
🏷️ Tags
#bit_manipulation #array #math #binary_search #combinatorics #number_theory
Telegraph
kth-smallest-amount-with-single-denomination-combination
给你一个整数数组 coins 表示不同面额的硬币,另给你一个整数 k 。 你有无限量的每种面额的硬币。但是,你 不能 组合使用不同面额的硬币。 返回使用这些硬币能制造的 第 kth 小 金额。 示例 1: 输入: coins = [3,6,9], k = 3 输出: 9 解释:给定的硬币可以制造以下金额:3元硬币产生3的倍数:3, 6, 9, 12, 15等。6元硬币产生6的倍数:6, 12, 18, 24等。9元硬币产生9的倍数:9, 18, 27, 36等。所有硬币合起来可以产生:3, 6, 9…
leetcode.com 2026-08-21
🔴3116.kth-smallest-amount-with-single-denomination-combination
🏷️ Tags
#bit_manipulation #array #math #binary_search #combinatorics #number_theory
🔴3116.kth-smallest-amount-with-single-denomination-combination
🏷️ Tags
#bit_manipulation #array #math #binary_search #combinatorics #number_theory
Telegraph
kth-smallest-amount-with-single-denomination-combination
You are given an integer array coins representing coins of different denominations and an integer k. You have an infinite number of coins of each denomination. However, you are not allowed to combine coins of different denominations. Return the kth smallest…
leetcode.com 2026-08-24
🔴1872.stone-game-viii
🏷️ Tags
#minimax_algorithm #array #math #dynamic_programming #game_theory #prefix_sum #zero_sum_game
🔴1872.stone-game-viii
🏷️ Tags
#minimax_algorithm #array #math #dynamic_programming #game_theory #prefix_sum #zero_sum_game
Telegraph
stone-game-viii
Alice and Bob take turns playing a game, with Alice starting first. There are n stones arranged in a row. On each player's turn, while the number of stones is more than one, they will do the following:
leetcode.cn 2026-08-29
🟡2948.make-lexicographically-smallest-array-by-swapping-elements
🏷️ Tags
#union_find #array #sorting
🟡2948.make-lexicographically-smallest-array-by-swapping-elements
🏷️ Tags
#union_find #array #sorting
Telegraph
make-lexicographically-smallest-array-by-swapping-elements
给你一个下标从 0 开始的 正整数 数组 nums 和一个 正整数 limit 。 在一次操作中,你可以选择任意两个下标 i 和 j,如果 满足 |nums[i] - nums[j]| <= limit ,则交换 nums[i] 和 nums[j] 。 返回执行任意次操作后能得到的 字典序最小的数组 。 如果在数组 a 和数组 b 第一个不同的位置上,数组 a 中的对应元素比数组 b 中的对应元素的字典序更小,则认为数组 a 就比数组 b 字典序更小。例如,数组 [2,10,3] 比数组 [10,2,3]…
leetcode.com 2026-08-29
🟡2948.make-lexicographically-smallest-array-by-swapping-elements
🏷️ Tags
#union_find #array #sorting
🟡2948.make-lexicographically-smallest-array-by-swapping-elements
🏷️ Tags
#union_find #array #sorting
Telegraph
make-lexicographically-smallest-array-by-swapping-elements
You are given a 0-indexed array of positive integers nums and a positive integer limit. In one operation, you can choose any two indices i and j and swap nums[i] and nums[j] if |nums[i] - nums[j]| <= limit. Return the lexicographically smallest array that…
leetcode.cn 2026-09-01
🟡3568.minimum-moves-to-clean-the-classroom
🏷️ Tags
#bit_manipulation #breadth_first_search #array #hash_table #matrix
🟡3568.minimum-moves-to-clean-the-classroom
🏷️ Tags
#bit_manipulation #breadth_first_search #array #hash_table #matrix
Telegraph
minimum-moves-to-clean-the-classroom
给你一个 m x n 的网格图 classroom,其中一个学生志愿者负责清理散布在教室里的垃圾。网格图中的每个单元格是以下字符之一: