{"topic":{"id":10460,"title":"求第二题的翻译，看不懂","slug":"topic","userId":3734,"categoryId":58,"createdAt":"2024-03-04 14:38:38.291321","bumpedAt":"2024-03-04 15:20:42.356445","views":289,"postsCount":3,"highestPostNumber":3,"likeCount":1,"closed":false,"pinned":false,"pinnedGlobally":false,"pinnedAt":null,"pinnedUntil":null,"isBanner":false,"excerpt":"","deletedAt":null,"isAnonymous":false,"isPrivate":false,"isMembersOnly":false,"category":{"id":58,"name":"计算机系统导论","slug":"ics","color":"3AB54A"},"author":{"id":3734,"username":"K-方块","name":"L","avatarUrl":null},"realAuthor":{"id":3734,"username":"K-方块","name":"L","avatarUrl":null},"tags":[]},"posts":[{"id":25798,"postNumber":1,"raw":"![Image_1709563085111|690x450](/uploads/image/7b/26/7b264fd7d9d41c16d808019c6649bfe30b99fd0493abd3ff43838acc3f8d6dab.avif)","cooked":"

$\"Image_1709563085111\"$

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输出 int 类型能表示的最大值

two’s complement 的意思是 2 的补码，简称补码

\n","createdAt":"2024-03-04 14:40:29.526853","updatedAt":"2024-10-25 11:20:21.921308","replyToPostNumber":null,"replyCount":0,"likeCount":1,"wordCount":27,"liked":false,"bookmarked":false,"polls":[],"reactions":[{"reaction":"❤️","count":1,"users":[{"id":3273,"username":"anon18815924","name":null}],"hasReacted":false}],"wiki":false,"version":1,"publicVersion":1,"deletedAt":null,"isAnonymous":false,"user":{"id":6205,"username":"uika_winwing","name":null,"avatarUrl":"/uploads/image/76/3b/763b1e5ad8a424c4450bb26cea5ae532e7b1cd9da926ac5d99215d7123bf6002.avif","admin":false,"moderator":false,"signatureRaw":null,"signatureCooked":null}},{"id":25804,"postNumber":3,"raw":"\r\n名称\t描述\t评级\t最大操作数\r\nbitAnd(x, y)\t仅使用 | 和 ~ 对 x 和 y 进行按位与运算。\t8\t10\r\ntmax()\t返回最大的二进制补码整数。\t8\t4\r\nnegate(x)\t返回 -x。\t8\t5\r\ncopyLSB(x)\t设置所有位到与 x 的最不重要的位相同。\t8\t5\r\ngetByte(x, n)\t从字 x 中提取字节 n。\t8\t6\r\nconditional(x, y, z)\t相当于 x ? y : z。\t8\t16\r\nisPositive(x)\t如果 x > 0，返回 1；否则返回 0。\t8\t8\r\nlogicalShift(x, n)\t向右逻辑移位 x，移位数为 n。\t8\t20\r\nreplaceByte(x, n, c)\t用 c 替换 x 中的字节 n。\t8\t10\r\nmultFiveEighths(x)\t将 x 乘以 5/8，向 0 取整。\t3\t18\r\nbang(x)\t不使用 ! 计算 !x。\t3\t12","cooked":"

名称\t描述\t评级\t最大操作数
\nbitAnd(x, y)\t仅使用 | 和 ~ 对 x 和 y 进行按位与运算。\t8\t10
\ntmax()\t返回最大的二进制补码整数。\t8\t4
\nnegate(x)\t返回 -x。\t8\t5
\ncopyLSB(x)\t设置所有位到与 x 的最不重要的位相同。\t8\t5
\ngetByte(x, n)\t从字 x 中提取字节 n。\t8\t6
\nconditional(x, y, z)\t相当于 x ? y : z。\t8\t16
\nisPositive(x)\t如果 x > 0，返回 1；否则返回 0。\t8\t8
\nlogicalShift(x, n)\t向右逻辑移位 x，移位数为 n。\t8\t20
\nreplaceByte(x, n, c)\t用 c 替换 x 中的字节 n。\t8\t10
\nmultFiveEighths(x)\t将 x 乘以 5/8，向 0 取整。\t3\t18
\nbang(x)\t不使用 ! 计算 !x。\t3\t12

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