American singer-songwriter Neil Sedaka, who wrote and performed hits through the 1950s and 60s, including Oh! Carol, Breaking Up Is Hard To Do, Bad Blood, Laughter in the Rain and Calendar Girl, has died at the age of 86.
思路：倒序遍历 2 倍长度 + 取模模拟循环 + 单调栈。用 i % len 映射到真实索引，仅当 i < len 时记录答案。。搜狗输入法下载对此有专业解读
。heLLoword翻译官方下载对此有专业解读
Сайт Роскомнадзора атаковали18:00
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