Ly8gQ29weXJpZ2h0IDIwMTkgVGhlIERhd24gQXV0aG9ycwovLwovLyBMaWNlbnNlZCB1bmRlciB0aGUgQXBhY2hlIExpY2Vuc2UsIFZlcnNpb24gMi4wICh0aGUgIkxpY2Vuc2UiKTsKLy8geW91IG1heSBub3QgdXNlIHRoaXMgZmlsZSBleGNlcHQgaW4gY29tcGxpYW5jZSB3aXRoIHRoZSBMaWNlbnNlLgovLyBZb3UgbWF5IG9idGFpbiBhIGNvcHkgb2YgdGhlIExpY2Vuc2UgYXQKLy8KLy8gICAgIGh0dHA6Ly93d3cuYXBhY2hlLm9yZy9saWNlbnNlcy9MSUNFTlNFLTIuMAovLwovLyBVbmxlc3MgcmVxdWlyZWQgYnkgYXBwbGljYWJsZSBsYXcgb3IgYWdyZWVkIHRvIGluIHdyaXRpbmcsIHNvZnR3YXJlCi8vIGRpc3RyaWJ1dGVkIHVuZGVyIHRoZSBMaWNlbnNlIGlzIGRpc3RyaWJ1dGVkIG9uIGFuICJBUyBJUyIgQkFTSVMsCi8vIFdJVEhPVVQgV0FSUkFOVElFUyBPUiBDT05ESVRJT05TIE9GIEFOWSBLSU5ELCBlaXRoZXIgZXhwcmVzcyBvciBpbXBsaWVkLgovLyBTZWUgdGhlIExpY2Vuc2UgZm9yIHRoZSBzcGVjaWZpYyBsYW5ndWFnZSBnb3Zlcm5pbmcgcGVybWlzc2lvbnMgYW5kCi8vIGxpbWl0YXRpb25zIHVuZGVyIHRoZSBMaWNlbnNlLgoKI2lmbmRlZiBTUkNfREFXTl9URVNUU19QQVJBTUdFTkVSQVRPUl9IXwojZGVmaW5lIFNSQ19EQVdOX1RFU1RTX1BBUkFNR0VORVJBVE9SX0hfCgojaW5jbHVkZSA8dHVwbGU+CiNpbmNsdWRlIDx1dGlsaXR5PgojaW5jbHVkZSA8dmVjdG9yPgoKLy8gUGFyYW1TdHJ1Y3QgaXMgYSBjdXN0b20gc3RydWN0IHdoaWNoIFBhcmFtU3RydWN0IHdpbGwgeWllbGQgd2hlbiBpdGVyYXRpbmcuCi8vIFRoZSB0eXBlcyBQYXJhbXMuLi4gc2hvdWxkIGJlIHRoZSBzYW1lIGFzIHRoZSB0eXBlcyBwYXNzZWQgdG8gdGhlIGNvbnN0cnVjdG9yCi8vIG9mIFBhcmFtU3RydWN0Lgp0ZW1wbGF0ZSA8dHlwZW5hbWUgUGFyYW1TdHJ1Y3QsIHR5cGVuYW1lLi4uIFBhcmFtcz4KY2xhc3MgUGFyYW1HZW5lcmF0b3IgewogICAgdXNpbmcgUGFyYW1UdXBsZSA9IHN0ZDo6dHVwbGU8c3RkOjp2ZWN0b3I8UGFyYW1zPi4uLj47CiAgICB1c2luZyBJbmRleCA9IHN0ZDo6YXJyYXk8c2l6ZV90LCBzaXplb2YuLi4oUGFyYW1zKT47CgogICAgc3RhdGljIGNvbnN0ZXhwciBhdXRvIHNfaW5kZXhTZXF1ZW5jZSA9IHN0ZDo6bWFrZV9pbmRleF9zZXF1ZW5jZTxzaXplb2YuLi4oUGFyYW1zKT57fTsKCiAgICAvLyBVc2luZyBhbiBOLWRpbWVuc2lvbmFsIEluZGV4LCBleHRyYWN0IHBhcmFtcyBmcm9tIFBhcmFtVHVwbGUgYW5kIHBhc3MKICAgIC8vIHRoZW0gdG8gdGhlIGNvbnN0cnVjdG9yIG9mIFBhcmFtU3RydWN0LgogICAgdGVtcGxhdGUgPHNpemVfdC4uLiBJcz4KICAgIHN0YXRpYyBQYXJhbVN0cnVjdCBHZXRQYXJhbShjb25zdCBQYXJhbVR1cGxlJiBwYXJhbXMsCiAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgY29uc3QgSW5kZXgmIGluZGV4LAogICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgIHN0ZDo6aW5kZXhfc2VxdWVuY2U8SXMuLi4+KSB7CiAgICAgICAgcmV0dXJuIFBhcmFtU3RydWN0KHN0ZDo6Z2V0PElzPihwYXJhbXMpW3N0ZDo6Z2V0PElzPihpbmRleCldLi4uKTsKICAgIH0KCiAgICAvLyBHZXQgdGhlIGxhc3QgdmFsdWUgaW5kZXggaW50byBhIFBhcmFtVHVwbGUuCiAgICB0ZW1wbGF0ZSA8c2l6ZV90Li4uIElzPgogICAgc3RhdGljIEluZGV4IEdldExhc3RJbmRleChjb25zdCBQYXJhbVR1cGxlJiBwYXJhbXMsIHN0ZDo6aW5kZXhfc2VxdWVuY2U8SXMuLi4+KSB7CiAgICAgICAgcmV0dXJuIEluZGV4e3N0ZDo6Z2V0PElzPihwYXJhbXMpLnNpemUoKSAtIDEgLi4ufTsKICAgIH0KCiAgcHVibGljOgogICAgdXNpbmcgdmFsdWVfdHlwZSA9IFBhcmFtU3RydWN0OwoKICAgIGV4cGxpY2l0IFBhcmFtR2VuZXJhdG9yKHN0ZDo6dmVjdG9yPFBhcmFtcz4uLi4gcGFyYW1zKSA6IG1QYXJhbXMocGFyYW1zLi4uKSwgbUlzRW1wdHkoZmFsc2UpIHsKICAgICAgICBmb3IgKGJvb2wgaXNFbXB0eSA6IHtwYXJhbXMuZW1wdHkoKS4uLn0pIHsKICAgICAgICAgICAgbUlzRW1wdHkgfD0gaXNFbXB0eTsKICAgICAgICB9CiAgICB9CgogICAgY2xhc3MgSXRlcmF0b3IgOiBwdWJsaWMgc3RkOjppdGVyYXRvcjxzdGQ6OmZvcndhcmRfaXRlcmF0b3JfdGFnLCBQYXJhbVN0cnVjdCwgc2l6ZV90PiB7CiAgICAgIHB1YmxpYzoKICAgICAgICBJdGVyYXRvciYgb3BlcmF0b3IrKygpIHsKICAgICAgICAgICAgLy8gSW5jcmVtZW50IHRoZSBJbmRleCBieSAxLiBJZiB0aGUgaSd0aCBwbGFjZSByZWFjaGVzIHRoZSBtYXhpbXVtLAogICAgICAgICAgICAvLyByZXNldCBpdCB0byAwIGFuZCBjb250aW51ZSB3aXRoIHRoZSBpKzEndGggcGxhY2UuCiAgICAgICAgICAgIGZvciAoaW50IGkgPSBtSW5kZXguc2l6ZSgpIC0gMTsgaSA+PSAwOyAtLWkpIHsKICAgICAgICAgICAgICAgIGlmIChtSW5kZXhbaV0gPj0gbUxhc3RJbmRleFtpXSkgewogICAgICAgICAgICAgICAgICAgIG1JbmRleFtpXSA9IDA7CiAgICAgICAgICAgICAgICB9IGVsc2UgewogICAgICAgICAgICAgICAgICAgIG1JbmRleFtpXSsrOwogICAgICAgICAgICAgICAgICAgIHJldHVybiAqdGhpczsKICAgICAgICAgICAgICAgIH0KICAgICAgICAgICAgfQoKICAgICAgICAgICAgLy8gU2V0IGEgbWFya2VyIHRoYXQgdGhlIGl0ZXJhdG9yIGhhcyByZWFjaGVkIHRoZSBlbmQuCiAgICAgICAgICAgIG1FbmQgPSB0cnVlOwogICAgICAgICAgICByZXR1cm4gKnRoaXM7CiAgICAgICAgfQoKICAgICAgICBib29sIG9wZXJhdG9yPT0oY29uc3QgSXRlcmF0b3ImIG90aGVyKSBjb25zdCB7CiAgICAgICAgICAgIHJldHVybiBtRW5kID09IG90aGVyLm1FbmQgJiYgbUluZGV4ID09IG90aGVyLm1JbmRleDsKICAgICAgICB9CgogICAgICAgIGJvb2wgb3BlcmF0b3IhPShjb25zdCBJdGVyYXRvciYgb3RoZXIpIGNvbnN0IHsKICAgICAgICAgICAgcmV0dXJuICEoKnRoaXMgPT0gb3RoZXIpOwogICAgICAgIH0KCiAgICAgICAgUGFyYW1TdHJ1Y3Qgb3BlcmF0b3IqKCkgY29uc3QgewogICAgICAgICAgICByZXR1cm4gR2V0UGFyYW0obVBhcmFtcywgbUluZGV4LCBzX2luZGV4U2VxdWVuY2UpOwogICAgICAgIH0KCiAgICAgIHByaXZhdGU6CiAgICAgICAgZnJpZW5kIGNsYXNzIFBhcmFtR2VuZXJhdG9yOwoKICAgICAgICBJdGVyYXRvcihQYXJhbVR1cGxlIHBhcmFtcywgSW5kZXggaW5kZXgpCiAgICAgICAgICAgIDogbVBhcmFtcyhwYXJhbXMpLCBtSW5kZXgoaW5kZXgpLCBtTGFzdEluZGV4e0dldExhc3RJbmRleChwYXJhbXMsIHNfaW5kZXhTZXF1ZW5jZSl9IHsKICAgICAgICB9CgogICAgICAgIFBhcmFtVHVwbGUgbVBhcmFtczsKICAgICAgICBJbmRleCBtSW5kZXg7CiAgICAgICAgSW5kZXggbUxhc3RJbmRleDsKICAgICAgICBib29sIG1FbmQgPSBmYWxzZTsKICAgIH07CgogICAgSXRlcmF0b3IgYmVnaW4oKSBjb25zdCB7CiAgICAgICAgaWYgKG1Jc0VtcHR5KSB7CiAgICAgICAgICAgIHJldHVybiBlbmQoKTsKICAgICAgICB9CiAgICAgICAgcmV0dXJuIEl0ZXJhdG9yKG1QYXJhbXMsIHt9KTsKICAgIH0KCiAgICBJdGVyYXRvciBlbmQoKSBjb25zdCB7CiAgICAgICAgSXRlcmF0b3IgaXRlcihtUGFyYW1zLCBHZXRMYXN0SW5kZXgobVBhcmFtcywgc19pbmRleFNlcXVlbmNlKSk7CiAgICAgICAgKytpdGVyOwogICAgICAgIHJldHVybiBpdGVyOwogICAgfQoKICBwcml2YXRlOgogICAgUGFyYW1UdXBsZSBtUGFyYW1zOwogICAgYm9v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