The first of the two, commonly referred to as the timed substitution rule, forces a team to play a man down for a minute if a player takes longer than 10 seconds to leave the pitch. The second of the guidelines, dubbed the off-field treatment rule, removes a player from the match for a minute if they spend more than 15 seconds on the ground after an injury.
h->next_free = free_table[bucket];
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第七十条 非法安装、使用、提供窃听、窃照专用器材的，处五日以下拘留或者一千元以上三千元以下罚款；情节较重的，处五日以上十日以下拘留，并处三千元以上五千元以下罚款。。同城约会对此有专业解读
习题链接：LeetCode 1475. 商品折扣后的最终价格，详情可参考51吃瓜