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{
"data": {
"question": {
"questionId": "1000222",
"questionFrontendId": "LCP 36",
"categoryTitle": "Algorithms",
"boundTopicId": 713322,
"title": "最多牌组数",
"titleSlug": "Up5XYM",
"content": "",
"translatedTitle": "最多牌组数",
"translatedContent": "麻将的游戏规则中,共有两种方式凑成「一组牌」:\n- 顺子:三张牌面数字连续的麻将,例如 [4,5,6]\n- 刻子:三张牌面数字相同的麻将,例如 [10,10,10]\n\n给定若干数字作为麻将牌的数值记作一维数组 `tiles`),请返回所给 `tiles` 最多可组成的牌组数。\n\n注意凑成牌组时每张牌仅能使用一次。\n\n**示例 1**\n>输入:`tiles = [2,2,2,3,4]`\n>\n>输出:`1`\n>\n>解释:最多可以组合出 [2,2,2] 或者 [2,3,4] 其中一组牌。\n\n**示例 2**\n>输入:`tiles = [2,2,2,3,4,1,3]`\n>\n>输出:`2`\n>\n>解释:最多可以组合出 [1,2,3] 与 [2,3,4] 两组牌。\n\n**提示:**\n- `1 <= tiles.length <= 10^5`\n- `1 <= tiles[i] <= 10^9`",
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"difficulty": "Hard",
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