{"id":39,"date":"2023-10-18T12:39:00","date_gmt":"2023-10-18T04:39:00","guid":{"rendered":"http:\/\/www.cmd137blog.top\/?p=39"},"modified":"2024-03-30T12:40:48","modified_gmt":"2024-03-30T04:40:48","slug":"%e3%80%90%e6%b4%9b%e8%b0%b7%e5%88%b7%e9%a2%98%e7%ac%94%e8%ae%b0%e3%80%91p1055-noip2008-%e6%99%ae%e5%8f%8a%e7%bb%84-isbn-%e5%8f%b7%e7%a0%81","status":"publish","type":"post","link":"http:\/\/www.cmd137blog.top\/?p=39","title":{"rendered":"\u3010\u6d1b\u8c37\u5237\u9898\u7b14\u8bb0\u3011P1055 [NOIP2008 \u666e\u53ca\u7ec4] ISBN \u53f7\u7801"},"content":{"rendered":"\n

1.\u9898\u76ee<\/h2>\n\n\n\n

[NOIP2008 \u666e\u53ca\u7ec4] ISBN \u53f7\u7801<\/h1>\n\n\n\n

\u9898\u76ee\u63cf\u8ff0<\/h2>\n\n\n\n

\u6bcf\u4e00\u672c\u6b63\u5f0f\u51fa\u7248\u7684\u56fe\u4e66\u90fd\u6709\u4e00\u4e2a ISBN \u53f7\u7801\u4e0e\u4e4b\u5bf9\u5e94\uff0cISBN \u7801\u5305\u62ec $9$ \u4f4d\u6570\u5b57\u3001$1$ \u4f4d\u8bc6\u522b\u7801\u548c $3$ \u4f4d\u5206\u9694\u7b26\uff0c\u5176\u89c4\u5b9a\u683c\u5f0f\u5982 x-xxx-xxxxx-x<\/code>\uff0c\u5176\u4e2d\u7b26\u53f7 -<\/code> \u5c31\u662f\u5206\u9694\u7b26\uff08\u952e\u76d8\u4e0a\u7684\u51cf\u53f7\uff09\uff0c\u6700\u540e\u4e00\u4f4d\u662f\u8bc6\u522b\u7801\uff0c\u4f8b\u5982 0-670-82162-4<\/code>\u5c31\u662f\u4e00\u4e2a\u6807\u51c6\u7684 ISBN \u7801\u3002ISBN \u7801\u7684\u9996\u4f4d\u6570\u5b57\u8868\u793a\u4e66\u7c4d\u7684\u51fa\u7248\u8bed\u8a00\uff0c\u4f8b\u5982 $0$ \u4ee3\u8868\u82f1\u8bed\uff1b\u7b2c\u4e00\u4e2a\u5206\u9694\u7b26 -<\/code> \u4e4b\u540e\u7684\u4e09\u4f4d\u6570\u5b57\u4ee3\u8868\u51fa\u7248\u793e\uff0c\u4f8b\u5982 $670$ \u4ee3\u8868\u7ef4\u4eac\u51fa\u7248\u793e\uff1b\u7b2c\u4e8c\u4e2a\u5206\u9694\u7b26\u540e\u7684\u4e94\u4f4d\u6570\u5b57\u4ee3\u8868\u8be5\u4e66\u5728\u8be5\u51fa\u7248\u793e\u7684\u7f16\u53f7\uff1b\u6700\u540e\u4e00\u4f4d\u4e3a\u8bc6\u522b\u7801\u3002<\/p>\n\n\n\n

\u8bc6\u522b\u7801\u7684\u8ba1\u7b97\u65b9\u6cd5\u5982\u4e0b\uff1a<\/p>\n\n\n\n

\u9996\u4f4d\u6570\u5b57\u4e58\u4ee5 $1$ \u52a0\u4e0a\u6b21\u4f4d\u6570\u5b57\u4e58\u4ee5 $2$ \u2026\u2026\u4ee5\u6b64\u7c7b\u63a8\uff0c\u7528\u6240\u5f97\u7684\u7ed3\u679c $ \\bmod 11$\uff0c\u6240\u5f97\u7684\u4f59\u6570\u5373\u4e3a\u8bc6\u522b\u7801\uff0c\u5982\u679c\u4f59\u6570\u4e3a $10$\uff0c\u5219\u8bc6\u522b\u7801\u4e3a\u5927\u5199\u5b57\u6bcd $X$\u3002\u4f8b\u5982 ISBN \u53f7\u7801 0-670-82162-4<\/code> \u4e2d\u7684\u8bc6\u522b\u7801 $4$ \u662f\u8fd9\u6837\u5f97\u5230\u7684\uff1a\u5bf9 067082162<\/code> \u8fd9 $9$ \u4e2a\u6570\u5b57\uff0c\u4ece\u5de6\u81f3\u53f3\uff0c\u5206\u522b\u4e58\u4ee5 $1,2,\\dots,9$ \u518d\u6c42\u548c\uff0c\u5373 $0\\times 1+6\\times 2+\u2026\u2026+2\\times 9=158$\uff0c\u7136\u540e\u53d6 $158 \\bmod 11$ \u7684\u7ed3\u679c $4$ \u4f5c\u4e3a\u8bc6\u522b\u7801\u3002<\/p>\n\n\n\n

\u4f60\u7684\u4efb\u52a1\u662f\u7f16\u5199\u7a0b\u5e8f\u5224\u65ad\u8f93\u5165\u7684 ISBN \u53f7\u7801\u4e2d\u8bc6\u522b\u7801\u662f\u5426\u6b63\u786e\uff0c\u5982\u679c\u6b63\u786e\uff0c\u5219\u4ec5\u8f93\u51fa Right<\/code>\uff1b\u5982\u679c\u9519\u8bef\uff0c\u5219\u8f93\u51fa\u4f60\u8ba4\u4e3a\u662f\u6b63\u786e\u7684 ISBN \u53f7\u7801\u3002<\/p>\n\n\n\n

\u8f93\u5165\u683c\u5f0f<\/h2>\n\n\n\n

\u4e00\u4e2a\u5b57\u7b26\u5e8f\u5217\uff0c\u8868\u793a\u4e00\u672c\u4e66\u7684 ISBN \u53f7\u7801\uff08\u4fdd\u8bc1\u8f93\u5165\u7b26\u5408 ISBN \u53f7\u7801\u7684\u683c\u5f0f\u8981\u6c42\uff09\u3002<\/p>\n\n\n\n

\u8f93\u51fa\u683c\u5f0f<\/h2>\n\n\n\n

\u4e00\u884c\uff0c\u5047\u5982\u8f93\u5165\u7684 ISBN \u53f7\u7801\u7684\u8bc6\u522b\u7801\u6b63\u786e\uff0c\u90a3\u4e48\u8f93\u51fa Right<\/code>\uff0c\u5426\u5219\uff0c\u6309\u7167\u89c4\u5b9a\u7684\u683c\u5f0f\uff0c\u8f93\u51fa\u6b63\u786e\u7684 ISBN \u53f7\u7801\uff08\u5305\u62ec\u5206\u9694\u7b26 -<\/code>\uff09\u3002<\/p>\n\n\n\n

\u6837\u4f8b #1<\/h2>\n\n\n\n

\u6837\u4f8b\u8f93\u5165 #1<\/h3>\n\n\n\n
0-670-82162-4<\/code><\/pre>\n\n\n\n
\u6837\u4f8b\u8f93\u51fa #1<\/h3>\n\n\n\n
Right<\/code><\/pre>\n\n\n\n
\u6837\u4f8b #2<\/h2>\n\n\n\n
\u6837\u4f8b\u8f93\u5165 #2<\/h3>\n\n\n\n
0-670-82162-0<\/code><\/pre>\n\n\n\n
\u6837\u4f8b\u8f93\u51fa #2<\/h3>\n\n\n\n
0-670-82162-4<\/code><\/pre>\n\n\n\n
\u63d0\u793a<\/h2>\n\n\n\n
2008 \u666e\u53ca\u7ec4\u7b2c\u4e00\u9898<\/p>\n\n\n\n
2.\u601d\u8def<\/h2>\n\n\n\n
\u76f4\u63a5\u7528\u5b57\u7b26\u4e32\u4fdd\u5b58ISBN\u7801\uff0c\u7136\u540e\u6309\u7167ISBN\u7801\u7684\u7279\u70b9\u76f4\u63a5\u53d6\u51fa\u6709\u7528\u7684\u6570\u5b57\uff0c\u7b97\u51fa\u8bc6\u522b\u7801\uff08flag\uff09\uff0c\u4e0e\u6240\u8f93\u5165\u7684\u8bc6\u522b\u7801\u8fdb\u884c\u5224\u65ad\uff0c\u8f93\u51fa\u3002
\u6ce8\u610f\u7ec6\u8282\uff1a10\u7528X\u8868\u793a\u3002<\/p>\n\n\n\n
3.\u77e5\u8bc6\u70b9<\/h2>\n\n\n\n
1.string\u5b57\u7b26\u4e32\u53ef\u89c6\u4e3achar\u6570\u7ec4\uff0c\u53ef\u4ee5\u901a\u8fc7[i]\u8bbf\u95ee\u76f8\u5e94\u4f4d\u7f6e\u7684\u5143\u7d20\uff1b<\/p>\n\n\n\n
2.char\u7c7b\u578b\u4e0eint\u7c7b\u578b\u7684\u8f6c\u6362\u901a\u8fc7 -‘0′ \u4e0e +’0’ \u5b9e\u73b0\uff08\u6211\u7528\u4e86\u534a\u5929(int)char\u7b97flag\uff0c\u60f3\u4e86\u534a\u5929\u6ca1\u60f3\u51fa\u9519\u54ea\uff0c\u5b83\u662f\u8f6c\u6362\u4e3aASCII\u800c\u975e\u76f4\u63a5\u8f6c\u6362\uff09\uff1a\u5982\uff1a
5—>’5’\uff1a5+’0’=’5′;
‘9’—>9:’9′-‘0’=9;<\/p>\n\n\n\n
4.\u6e90\u7801<\/h2>\n\n\n\n
<\/circle><\/circle><\/circle><\/g><\/svg><\/span><\/path><\/path><\/svg><\/span>
#<\/span>include<\/span> <\/span><<\/span>iostream<\/span>><\/span><\/span>\nusing<\/span> <\/span>namespace<\/span> std<\/span>;<\/span><\/span>\n<\/span>\nint<\/span> <\/span>main<\/span>()<\/span> <\/span>{<\/span><\/span>\n    string s<\/span>;<\/span><\/span>\n    cin <\/span>>><\/span> s<\/span>;<\/span><\/span>\n    <\/span>int<\/span> sum <\/span>=<\/span> <\/span>(<\/span>s<\/span>[<\/span>0<\/span>]<\/span> <\/span>-<\/span> <\/span>'<\/span>0<\/span>'<\/span>)<\/span> <\/span>+<\/span> <\/span>(<\/span>s<\/span>[<\/span>2<\/span>]<\/span> <\/span>-<\/span> <\/span>'<\/span>0<\/span>'<\/span>)<\/span> <\/span>*<\/span> <\/span>2<\/span> <\/span>+<\/span> <\/span>(<\/span>s<\/span>[<\/span>3<\/span>]<\/span> <\/span>-<\/span> <\/span>'<\/span>0<\/span>'<\/span>)<\/span> <\/span>*<\/span> <\/span>3<\/span> <\/span>+<\/span> <\/span>(<\/span>s<\/span>[<\/span>4<\/span>]<\/span> <\/span>-<\/span> <\/span>'<\/span>0<\/span>'<\/span>)<\/span> <\/span>*<\/span> <\/span>4<\/span> <\/span>+<\/span> <\/span>(<\/span>s<\/span>[<\/span>6<\/span>]<\/span> <\/span>-<\/span> <\/span>'<\/span>0<\/span>'<\/span>)<\/span> <\/span>*<\/span> <\/span>5<\/span> <\/span>+<\/span><\/span>\n              <\/span>(<\/span>s<\/span>[<\/span>7<\/span>]<\/span> <\/span>-<\/span> <\/span>'<\/span>0<\/span>'<\/span>)<\/span> <\/span>*<\/span> <\/span>6<\/span> <\/span>+<\/span> <\/span>(<\/span>s<\/span>[<\/span>8<\/span>]<\/span> <\/span>-<\/span> <\/span>'<\/span>0<\/span>'<\/span>)<\/span> <\/span>*<\/span> <\/span>7<\/span> <\/span>+<\/span> <\/span>(<\/span>s<\/span>[<\/span>9<\/span>]<\/span> <\/span>-<\/span> <\/span>'<\/span>0<\/span>'<\/span>)<\/span> <\/span>*<\/span> <\/span>8<\/span> <\/span>+<\/span> <\/span>(<\/span>s<\/span>[<\/span>10<\/span>]<\/span> <\/span>-<\/span> <\/span>'<\/span>0<\/span>'<\/span>)<\/span> <\/span>*<\/span> <\/span>9<\/span>;<\/span><\/span>\n    <\/span>int<\/span> flag <\/span>=<\/span> sum <\/span>%<\/span> <\/span>11<\/span>;<\/span><\/span>\n    <\/span>if<\/span> <\/span>(<\/span>flag <\/span>==<\/span> <\/span>10<\/span>)<\/span> <\/span>{<\/span><\/span>\n        <\/span>int<\/span> Flag <\/span>=<\/span> <\/span>'<\/span>X<\/span>'<\/span>;<\/span><\/span>\n        <\/span>if<\/span> <\/span>(<\/span>Flag <\/span>==<\/span> <\/span>s<\/span>[<\/span>12<\/span>]<\/span> <\/span>)<\/span> <\/span>{<\/span><\/span>\n            cout <\/span><<<\/span> <\/span>"<\/span>Right<\/span>"<\/span>;<\/span><\/span>\n        <\/span>}<\/span> <\/span>else<\/span> <\/span>{<\/span><\/span>\n            <\/span>s<\/span>[<\/span>12<\/span>]<\/span> <\/span>=<\/span> Flag<\/span>;<\/span><\/span>\n            cout <\/span><<<\/span> s<\/span>;<\/span><\/span>\n        <\/span>}<\/span><\/span>\n    <\/span>}<\/span> <\/span>else<\/span> <\/span>{<\/span><\/span>\n        <\/span>if<\/span> <\/span>(<\/span>flag <\/span>==<\/span> <\/span>(<\/span>s<\/span>[<\/span>12<\/span>]<\/span> <\/span>-<\/span> <\/span>'<\/span>0<\/span>'<\/span>)<\/span> <\/span>)<\/span> <\/span>{<\/span><\/span>\n            cout <\/span><<<\/span> <\/span>"<\/span>Right<\/span>"<\/span>;<\/span><\/span>\n        <\/span>}<\/span> <\/span>else<\/span> <\/span>{<\/span><\/span>\n            <\/span>s<\/span>[<\/span>12<\/span>]<\/span> <\/span>=<\/span> flag <\/span>+<\/span> <\/span>'<\/span>0<\/span>'<\/span>;<\/span><\/span>\n            cout <\/span><<<\/span> s<\/span>;<\/span><\/span>\n        <\/span>}<\/span><\/span>\n    <\/span>}<\/span><\/span>\n<\/span>\n}<\/span><\/span><\/code><\/pre><\/div>\n","protected":false},"excerpt":{"rendered":"
1.\u9898\u76ee [NOIP2008 \u666e\u53ca\u7ec4] ISBN \u53f7\u7801 \u9898\u76ee\u63cf\u8ff0 \u6bcf\u4e00\u672c\u6b63\u5f0f\u51fa\u7248\u7684\u56fe\u4e66\u90fd\u6709\u4e00\u4e2a ISBN \u53f7\u7801 […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3],"tags":[],"class_list":["post-39","post","type-post","status-publish","format-standard","hentry","category-3"],"_links":{"self":[{"href":"http:\/\/www.cmd137blog.top\/index.php?rest_route=\/wp\/v2\/posts\/39","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/www.cmd137blog.top\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.cmd137blog.top\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.cmd137blog.top\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.cmd137blog.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=39"}],"version-history":[{"count":1,"href":"http:\/\/www.cmd137blog.top\/index.php?rest_route=\/wp\/v2\/posts\/39\/revisions"}],"predecessor-version":[{"id":40,"href":"http:\/\/www.cmd137blog.top\/index.php?rest_route=\/wp\/v2\/posts\/39\/revisions\/40"}],"wp:attachment":[{"href":"http:\/\/www.cmd137blog.top\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=39"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.cmd137blog.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=39"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.cmd137blog.top\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=39"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}