SSIM (Structural Similarity Index Measure) compares two images by evaluating luminance, contrast, and structural patterns across local windows. It returns a score from -1 to 1: 1.0 means the images are pixel-identical, 0 means no structural correlation, and negative values mean the images are anti-correlated (less alike than random noise). For glyph comparison, it answers the question: do these two rendered characters share the same visual structure?
Президент Украины Владимир Зеленский в интервью Sky News заявил, что с удовольствием принял бы ядерное оружие от Франции или Британии.
。关于这个话题，im钱包官方下载提供了深入分析
Read-only root filesystem — the container itself is immutable。关于这个话题，爱思助手下载最新版本提供了深入分析
操作系统: macOS (Intel/Apple Silicon)，详情可参考旺商聊官方下载
思路：倒序遍历 + 单调索引栈（仅存索引），计算下一个高温的间隔天数。栈顶索引 - 当前索引即为等待天数。