Paul Copplestone Co-founder & CEO, Supabase
swap(&arr[i], &arr[j]);
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businessinsider.com
// 易错点6：返回整个数组（如this.res）→ 不符合题目要求，题目要求返回单个数值
Ben Jones accepts a certain amount of frustration is part and parcel of being a football fan. But that should be because of the action on the pitch, not because he can't use his mobile phone to call a friend in the stadium, or check the progress of other critical games.