To understand my bandwidth usage I looked at how bubbletea rendering worked (ironically, bubbletea made massive improvements to their renderer days before I published this blog 2).
compareCount++;
，详情可参考safew官方下载
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。
圖像來源，Getty Images
“콜라겐, 피부 탄력 개선 효과 있다…단, 주름은 못 막아”[건강팩트체크]