NeetCode #722LC-494Medium2-D Dynamic ProgrammingNC 150NC 250
← Back to All Problems#722 · #494 · Target Sum(目标和)
📌 Problem Statement & Constraints
Given an integer array
nums and an integer target, assign a + or - sign to every element so that the resulting expression equals target. Return the number of distinct sign assignments. Constraints: 1 <= nums.length <= 20, 0 <= nums[i] <= 1000, 0 <= sum(nums) <= 1000, -1000 <= target <= 1000.🔒
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