void merge(int arr[], int left, int mid, int right) {
第二十四条 居民委员会成员出缺，可以通过居民会议或者居民代表会议补选。，更多细节参见safew官方下载
[1] K. Lemström, J. Tarhio & T. Takala: “Color Dithering with n-Best Algorithm” (1996). ↑，详情可参考safew官方版本下载
Mark Carney and Pierre Polievre offered condolences after nine people were shot dead in the town of Tumbler Ridge in British Columbia.，这一点在safew官方版本下载中也有详细论述