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分割等和子集⚓︎

Leetcode题目链接

描述⚓︎

详见中文题目链接。

解答⚓︎

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class Solution {
public:
    bool canPartition(vector<int>& nums) {
        int sum = 0;
        vector<int> dp(10001, 0);
        for (int i = 0; i < nums.size(); i++) sum += nums[i];
        if (sum % 2 == 1) return false;
        int target = sum / 2;
        for (int i = 0; i < nums.size(); i++) {
            for (int j = target; j >= nums[i]; j--) {
                dp[j] = max(dp[j], dp[j - nums[i]] + nums[i]);
            }
        }
        if (dp[target] == target) return true;
        return false;
    }
};