// 栈空 → 无更大元素，返回-1；栈非空 → 取栈顶（第一个更大值）
1. 找出最大数，确定最大位数d，推荐阅读同城约会获取更多信息
Speaking to CBS last month, Suni Williams said: "I'm looking forward to seeing my family, my dogs and jumping in the ocean. That will be really nice - to be back on Earth and feel Earth."。下载安装 谷歌浏览器 开启极速安全的 上网之旅。对此有专业解读
Nicole, 17, from Preston, in Lancashire, said: "It's just really cool to have a venue this close and accessible".
Photograph: Julian Chokkattu