3213. Construct String with Minimum Cost Problem You are given a string target, an array of strings words, and an integer array costs, both arrays of the same length.... 2024-12-17 hard difficult
2809. Minimum Time to Make Array Sum At Most x Problem You are given two 0-indexed integer arrays nums1 and nums2 of equal length. Every second, for all indices 0 <= i &... 2024-12-14 hard difficult
2699. Modify Graph Edge Weights Problem You are given an undirected weighted connected graph containing n nodes labeled from 0 to n - 1, and an integer array... 2024-12-11 hard difficult
1719. Number Of Ways To Reconstruct A Tree Problem You are given an array pairs, where pairs[i] = [xᵢ, yᵢ], and: There are no duplicates. xᵢ < yᵢ Let ways be the n... 2024-12-10 hard difficult todo
1982. Find Array Given Subset Sums Problem You are given an integer n representing the length of an unknown array that you are trying to recover. You are also g... 2024-12-09 hard difficult
1531. String Compression II Problem Run-length encoding is a string compression method that works by replacing consecutive identical characters (rep... 2024-12-01 hard difficult
3235. Check if the Rectangle Corner Is Reachable Problem You are given two positive integers xCorner and yCorner, and a 2D array circles, where circles[i] = [xᵢ, yᵢ, rᵢ] deno... 2024-11-09 hard difficult