stack2.pop(); // 弹出无效的候选值
// 2. 维护单调递减栈：弹出所有≤当前价格的索引（这些索引对应的价格无法成为后续价格的「上一个更大值」）
，更多细节参见服务器推荐
void testSort(void (*sortFunc)(int[], int), char *name, int arr[], int n) {。快连下载安装是该领域的重要参考
Osbourne, who died last July just weeks after his farewell performance in his hometown of Birmingham, will be posthumously honoured at the ceremony in Manchester on Saturday.