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            "title": "心算挑战",
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            "translatedContent": "「力扣挑战赛」心算项目的挑战比赛中，要求选手从 `N` 张卡牌中选出 `cnt` 张卡牌，若这 `cnt` 张卡牌数字总和为偶数，则选手成绩「有效」且得分为 `cnt` 张卡牌数字总和。\n给定数组 `cards` 和 `cnt`，其中 `cards[i]` 表示第 `i` 张卡牌上的数字。 请帮参赛选手计算最大的有效得分。若不存在获取有效得分的卡牌方案，则返回 0。\n\n**示例 1：**\n>输入：`cards = [1,2,8,9], cnt = 3`\n>\n>输出：`18`\n>\n>解释：选择数字为 1、8、9 的这三张卡牌，此时可获得最大的有效得分 1+8+9=18。\n\n**示例 2：**\n>输入：`cards = [3,3,1], cnt = 1`\n>\n>输出：`0`\n>\n>解释：不存在获取有效得分的卡牌方案。\n\n**提示：**\n- `1 <= cnt <= cards.length <= 10^5`\n- `1 <= cards[i] <= 1000`\n\n\n",
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                    "code": "class Solution {\npublic:\n    int maxmiumScore(vector<int>& cards, int cnt) {\n\n    }\n};",
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