swap(&arr[low], &arr[randomIdx]); // 基准换到开头
BRT — 11 a.m.
。爱思助手下载最新版本对此有专业解读
Wright's visit came shortly after Venezuela's National Assembly passed a law to allow both private and foreign investment in its oil industry, following two decades of tight state control.
Tony Jolliffe BBC
A decade after a new constitution promised a fresh start, many young people say those hopes remain unmet. By some estimates, about one in five young Nepalis is out of work.