Head teacher Michael Polly, played by David Morissey, is the prime suspect in his wife's disappearance
思路：找「右侧第一个 ≤ cur」的元素 → 弹出所有 cur 的元素，栈顶即为折扣。最终价格 = cur - 折扣（有则）或 cur（无则）。。旺商聊官方下载是该领域的重要参考
Will download: 17 packages (55.1 MB)，这一点在heLLoword翻译官方下载中也有详细论述
Nasa's Space Shuttles, which flew for three decades, reached breathtaking highs, but also some terrible lows.
A government spokesperson said: "We are clear: when it comes to children's safety, nothing is off the table, and no company is too big to face the consequences.