{"topic":{"id":13290,"title":"CF784E. Twisted Circuit 求教","slug":"topic","userId":4668,"categoryId":4,"createdAt":"2024-08-21 12:51:46.672986","bumpedAt":"2024-08-22 07:53:14.938388","views":228,"postsCount":3,"highestPostNumber":3,"likeCount":1,"closed":false,"pinned":false,"pinnedGlobally":false,"pinnedAt":null,"pinnedUntil":null,"isBanner":false,"excerpt":"E. Twisted Circuit time limit per test 2 seconds memory limit per test 64 megabytes Input The input consists of four lines, each line containing a single digit 0 or 1. Output Output a single digit, 0 or 1. Example Input…","deletedAt":null,"isAnonymous":false,"isPrivate":false,"isMembersOnly":false,"category":{"id":4,"name":"谈笑风生","slug":"general","color":"25AAE2"},"author":{"id":4668,"username":"IO","name":null,"avatarUrl":null},"realAuthor":{"id":4668,"username":"IO","name":null,"avatarUrl":null},"tags":[]},"posts":[{"id":38887,"postNumber":1,"raw":"E. Twisted Circuit\n\ntime limit per test\n\n2 seconds\n\nmemory limit per test\n\n64 megabytes\n\n![](/uploads/image/d6/5d/d65d1737dd9db9e56b34f7952d5b0827f42cc372d37c37e1cac851ae7f56a701.avif)\n\nInput\n\nThe input consists of four lines, each line containing a single digit 0 or 1.\n\nOutput\n\nOutput a single digit, 0 or 1.\n\nExample\n\nInput\n\n\n0\n1\n1\n0\n\nOutput\n\n0\n\n```python\na = bool(input())\nb = bool(input())\nc = bool(input())\nd = bool(input())\nx1 = a or b\nx2 = c != d\nx3 = b and c\nx4 = a or d\ny1 = x1 and x2\ny2 = x3 != x4\nprint(int(y1 or y2))\n```\n\n为什么答案是这个：\n```cpp\nsigned main()\n{\n\tios::sync_with_stdio(false);\n\tcin.tie(0);\n \n\tint a,b,c,d;\n\tcin >> a >> b >> c >> d;\n\tcout << ((((a^b)&(c|d))^((b&c)|(a^d)))) << endl;\n \n\treturn 0;\n}\n```","cooked":"

E. Twisted Circuit

time limit per test

2 seconds

memory limit per test

64 megabytes

$\"\"$

Input

The input consists of four lines, each line containing a single digit 0 or 1.

Output

Output a single digit, 0 or 1.

Example

Input

0
\n1
\n1
\n0

Output

a = bool(input())\nb = bool(input())\nc = bool(input())\nd = bool(input())\nx1 = a or b\nx2 = c != d\nx3 = b and c\nx4 = a or d\ny1 = x1 and x2\ny2 = x3 != x4\nprint(int(y1 or y2))\n

为什么答案是这个：

signed main()\n{\n\tios::sync_with_stdio(false);\n\tcin.tie(0);\n \n\tint a,b,c,d;\n\tcin >> a >> b >> c >> d;\n\tcout << ((((a^b)&(c|d))^((b&c)|(a^d)))) << endl;\n \n\treturn 0;\n}\n

\n","createdAt":"2024-08-21 12:51:46.855647","updatedAt":"2024-12-22 15:27:31.043124","replyToPostNumber":null,"replyCount":0,"likeCount":0,"wordCount":130,"liked":false,"bookmarked":false,"polls":[],"reactions":[],"wiki":false,"version":4,"publicVersion":4,"deletedAt":null,"foldedAt":null,"isAnonymous":false,"isOwner":false,"user":{"id":4668,"username":"IO","name":null,"avatarUrl":null,"admin":true,"moderator":false,"signatureRaw":"","signatureCooked":null}},{"id":38906,"postNumber":2,"raw":"看看题解/Editorial：\nhttps://codeforces.com/blog/entry/51351\n\n#### [784E - Twisted Circuit](https://codeforces.com/contest/784/problem/E)\n\nThe picture shows [a logic circuit](https://en.wikipedia.org/wiki/Logic_gate) which converts four input signals into one output. To make things more complex, logic gates OR and XOR are pictured **swapped** (i.e. image of OR gate actually means apply XOR gate).","cooked":"

看看题解/Editorial：

https://codeforces.com/blog/entry/51351

784E - Twisted Circuit

The picture shows a logic circuit which converts four input signals into one output. To make things more complex, logic gates OR and XOR are pictured swapped (i.e. image of OR gate actually means apply XOR gate).

\n","createdAt":"2024-08-22 07:46:14.663753","updatedAt":"2024-12-22 15:27:31.802883","replyToPostNumber":null,"replyCount":0,"likeCount":0,"wordCount":48,"liked":false,"bookmarked":false,"polls":[],"reactions":[],"wiki":false,"version":1,"publicVersion":1,"deletedAt":null,"foldedAt":null,"isAnonymous":false,"isOwner":false,"user":{"id":4668,"username":"IO","name":null,"avatarUrl":null,"admin":true,"moderator":false,"signatureRaw":"","signatureCooked":null}},{"id":38907,"postNumber":3,"raw":"有没有可能，这是愚人节比赛，大家做着玩的。。。","cooked":"

有没有可能，这是愚人节比赛，大家做着玩的。。。

\n","createdAt":"2024-08-22 07:53:14.938388","updatedAt":"2024-08-22 07:53:14.938388","replyToPostNumber":null,"replyCount":0,"likeCount":1,"wordCount":21,"liked":false,"bookmarked":false,"polls":[],"reactions":[{"reaction":"❤️","count":1,"users":[{"id":4668,"username":"IO","name":null}],"hasReacted":false}],"wiki":false,"version":1,"publicVersion":1,"deletedAt":null,"foldedAt":null,"isAnonymous":false,"isOwner":false,"user":{"id":3339,"username":"Ziqian_Chen","name":"Ziqian Chen","avatarUrl":"/uploads/image/83/a4/83a4ff188ae1e07941b5aeb4feb519adc01e1213fe205ed6375e00914355a9f7.avif","admin":false,"moderator":false,"signatureRaw":null,"signatureCooked":null}}],"hasMore":false,"lastReadPostNumber":1,"hasUrlPostNumber":false}