Given an integer arraynums, returntrueif you can partition the array into two subsets such that the sum of the elements in both subsets is equal orfalseotherwise. Example 1: Input:nums = [1,5,11,5]Output:trueExplanation:The array can be partitioned as [1, 5, 5] and [11]. Example ...
递归函数:基于已选的元素(和为curSum),从i开始继续选,能否选出和为sum/2的子集。每次递归,都有两个选择:选nums[i]。基于选它,往下继续选(递归):dfs(curSum + nums[i], i + 1) 不选nums[i]。基于不选它,往下继续选(递归):dfs(curSum, i + 1)...
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