if (right < n) {
贫困是顽疾，“顽”在成因复杂、难以根除、极易反复。
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The result is that support for WebAssembly on the web is often handled by third-party unofficial toolchain distributions that users need to find and learn. A true first-class experience would start with the tool that users already know and have installed.
python verify.py submissions/your_submission.py