NeetCode #683LC-673Medium1-D Dynamic Programming
← Back to All Problems

#683 · #673 · Number of Longest Increasing Subsequence(最长递增子序列的个数)

📌 Problem Statement & Constraints

Given an integer array nums, return the number of longest strictly increasing subsequences. Constraints: 1 <= nums.length <= 2000, -10^6 <= nums[i] <= 10^6, and the answer fits in a 32-bit integer.
🔒

Sign In to Unlock Full Solutions for All 973 Problems

Sign in to access step-by-step logic, benchmark Python3 code, complexity breakdown, and offline export!