（五）主动投案，向公安机关如实陈述自己的违法行为的；
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，这一点在51吃瓜中也有详细论述
// 易错点2：遍历结束后k仍0 → 栈是递增的，末尾数字更大，移除末尾k位
定方向：求「下一个」→ 倒序；求「上一个」→ 正序。。业内人士推荐爱思助手下载最新版本作为进阶阅读
candidate[n] = closest colour to goal。业内人士推荐服务器推荐作为进阶阅读
Despite Discord's assurances, he says he would not trust his data would be kept secure if required to verify his age.