{"id":83,"date":"2023-11-05T22:54:00","date_gmt":"2023-11-05T14:54:00","guid":{"rendered":"http:\/\/www.cmd137blog.top\/?p=83"},"modified":"2024-03-31T22:55:11","modified_gmt":"2024-03-31T14:55:11","slug":"%e3%80%90%e6%b4%9b%e8%b0%b7%e3%80%91p1255-%e6%95%b0%e6%a5%bc%e6%a2%af%ef%bc%88%e9%ab%98%e7%b2%be%e5%ba%a6%e6%96%90%e6%b3%a2%e9%82%a3%e5%a5%91%e6%95%b0%e5%88%97%ef%bc%89","status":"publish","type":"post","link":"http:\/\/www.cmd137blog.top\/?p=83","title":{"rendered":"\u3010\u6d1b\u8c37\u3011P1255 \u6570\u697c\u68af\uff08\u9ad8\u7cbe\u5ea6\u6590\u6ce2\u90a3\u5951\u6570\u5217\uff09"},"content":{"rendered":"\n

\u4e00\u3001\u9898\u76ee\uff1a<\/h1>\n\n\n\n

\u6570\u697c\u68af<\/h1>\n\n\n\n

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

\u697c\u68af\u6709 $N$ \u9636\uff0c\u4e0a\u697c\u53ef\u4ee5\u4e00\u6b65\u4e0a\u4e00\u9636\uff0c\u4e5f\u53ef\u4ee5\u4e00\u6b65\u4e0a\u4e8c\u9636\u3002<\/p>\n\n\n\n

\u7f16\u4e00\u4e2a\u7a0b\u5e8f\uff0c\u8ba1\u7b97\u5171\u6709\u591a\u5c11\u79cd\u4e0d\u540c\u7684\u8d70\u6cd5\u3002<\/p>\n\n\n\n

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

\u4e00\u4e2a\u6570\u5b57\uff0c\u697c\u68af\u6570\u3002<\/p>\n\n\n\n

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

\u8f93\u51fa\u8d70\u7684\u65b9\u5f0f\u603b\u6570\u3002<\/p>\n\n\n\n

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

\u6837\u4f8b\u8f93\u5165 #1<\/h3>\n\n\n\n
4<\/code><\/pre>\n\n\n\n
\u6837\u4f8b\u8f93\u51fa #1<\/h3>\n\n\n\n
5<\/code><\/pre>\n\n\n\n
\u63d0\u793a<\/h2>\n\n\n\n
    \n
  • \u5bf9\u4e8e $60\\%$ \u7684\u6570\u636e\uff0c$N \\leq 50$\uff1b<\/li>\n\n\n\n
  • \u5bf9\u4e8e $100\\%$ \u7684\u6570\u636e\uff0c$1 \\le N \\leq 5000$\u3002<\/li>\n<\/ul>\n\n\n\n
    \u4e8c\u3001\u601d\u8def\uff1a<\/h1>\n\n\n\n
    \u5206\u6790\u6613\u5f97\uff0c\u662f\u6590\u6ce2\u90a3\u5951\u6570\u5217\u7684\u9ad8\u7cbe\u5ea6\u8fd0\u7b97\u3002
    \u6211\u4eec\u7528\u9012\u63a8\u6765\u5199
    \u9012\u63a8\u6838\u5fc3\uff1a<\/p>\n\n\n\n
    <\/circle><\/circle><\/circle><\/g><\/svg><\/span><\/path><\/path><\/svg><\/span>
    for<\/span>(<\/span>int<\/span> i <\/span>=<\/span>2<\/span>;<\/span>i<\/span><=<\/span>n<\/span>;<\/span>i<\/span>++<\/span>)<\/span><\/span>\n{<\/span><\/span>\n    c<\/span>=<\/span>a<\/span>+<\/span>b<\/span>;<\/span><\/span>\n    a<\/span>=<\/span>b<\/span>;<\/span><\/span>\n    b<\/span>=<\/span>c<\/span>;<\/span>\/\/\u6b21\u5e8f\u4e0d\u80fd\u6539<\/span><\/span>\n}<\/span><\/span><\/code><\/pre><\/div>\n\n\n\n
    \u540e\u4f7f\u7528\u9ad8\u7cbe\u5ea6\u52a0\u6cd5\uff1a<\/p>\n\n\n\n
    <\/circle><\/circle><\/circle><\/g><\/svg><\/span><\/path><\/path><\/svg><\/span>
    void<\/span> <\/span>add<\/span>()<\/span> <\/span>{<\/span><\/span>\n    <\/span>int<\/span> carry <\/span>=<\/span> <\/span>0<\/span>;<\/span><\/span>\n    \/\/\u5904\u7406c<\/span><\/span>\n    <\/span>for<\/span> <\/span>(<\/span>int<\/span> i <\/span>=<\/span> <\/span>0<\/span>;<\/span> i <\/span><<\/span> lc<\/span>;<\/span> i<\/span>++<\/span>)<\/span> <\/span>{<\/span><\/span>\n        <\/span>c<\/span>[<\/span>i<\/span>]<\/span> <\/span>=<\/span> <\/span>a<\/span>[<\/span>i<\/span>]<\/span> <\/span>+<\/span> <\/span>b<\/span>[<\/span>i<\/span>]<\/span> <\/span>+<\/span> carry<\/span>;<\/span><\/span>\n        carry <\/span>=<\/span> <\/span>c<\/span>[<\/span>i<\/span>]<\/span> <\/span>\/<\/span> <\/span>10<\/span>;<\/span><\/span>\n        <\/span>c<\/span>[<\/span>i<\/span>]<\/span> <\/span>=<\/span> <\/span>c<\/span>[<\/span>i<\/span>]<\/span> <\/span>%<\/span> <\/span>10<\/span>;<\/span><\/span>\n    <\/span>}<\/span><\/span>\n    <\/span>if<\/span> <\/span>(<\/span>carry <\/span>><\/span> <\/span>0<\/span>)<\/span> <\/span>{<\/span><\/span>\n        <\/span>c<\/span>[<\/span>lc<\/span>]<\/span> <\/span>=<\/span> carry<\/span>;<\/span><\/span>\n        lc<\/span>++;<\/span><\/span>\n    <\/span>}<\/span><\/span>\n    \/\/\u5904\u7406a,b<\/span><\/span>\n    <\/span>for<\/span> <\/span>(<\/span>int<\/span> i <\/span>=<\/span> <\/span>0<\/span>;<\/span> i <\/span><<\/span> lc<\/span>;<\/span> i<\/span>++<\/span>)<\/span> <\/span>{<\/span><\/span>\n        <\/span>a<\/span>[<\/span>i<\/span>]<\/span> <\/span>=<\/span> <\/span>b<\/span>[<\/span>i<\/span>]<\/span>;<\/span><\/span>\n        <\/span>b<\/span>[<\/span>i<\/span>]<\/span> <\/span>=<\/span> <\/span>c<\/span>[<\/span>i<\/span>]<\/span>;<\/span><\/span>\n    <\/span>}<\/span><\/span>\n}<\/span><\/span><\/code><\/pre><\/div>\n\n\n\n
    \u4e09\u3001\u6e90\u7801\uff1a<\/h1>\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>\n#<\/span>define<\/span> <\/span>N<\/span> 5005<\/span><\/span>\nint<\/span> <\/span>a<\/span>[<\/span>N<\/span>],<\/span> <\/span>b<\/span>[<\/span>N<\/span>],<\/span> <\/span>c<\/span>[<\/span>N<\/span>],<\/span> lc <\/span>=<\/span> <\/span>1<\/span>;<\/span><\/span>\n<\/span>\nvoid<\/span> <\/span>add<\/span>()<\/span> <\/span>{<\/span><\/span>\n    <\/span>int<\/span> carry <\/span>=<\/span> <\/span>0<\/span>;<\/span><\/span>\n    \/\/\u5904\u7406c<\/span><\/span>\n    <\/span>for<\/span> <\/span>(<\/span>int<\/span> i <\/span>=<\/span> <\/span>0<\/span>;<\/span> i <\/span><<\/span> lc<\/span>;<\/span> i<\/span>++<\/span>)<\/span> <\/span>{<\/span><\/span>\n        <\/span>c<\/span>[<\/span>i<\/span>]<\/span> <\/span>=<\/span> <\/span>a<\/span>[<\/span>i<\/span>]<\/span> <\/span>+<\/span> <\/span>b<\/span>[<\/span>i<\/span>]<\/span> <\/span>+<\/span> carry<\/span>;<\/span><\/span>\n        carry <\/span>=<\/span> <\/span>c<\/span>[<\/span>i<\/span>]<\/span> <\/span>\/<\/span> <\/span>10<\/span>;<\/span><\/span>\n        <\/span>c<\/span>[<\/span>i<\/span>]<\/span> <\/span>=<\/span> <\/span>c<\/span>[<\/span>i<\/span>]<\/span> <\/span>%<\/span> <\/span>10<\/span>;<\/span><\/span>\n    <\/span>}<\/span><\/span>\n    <\/span>if<\/span> <\/span>(<\/span>carry <\/span>><\/span> <\/span>0<\/span>)<\/span> <\/span>{<\/span><\/span>\n        <\/span>c<\/span>[<\/span>lc<\/span>]<\/span> <\/span>=<\/span> carry<\/span>;<\/span><\/span>\n        lc<\/span>++;<\/span><\/span>\n    <\/span>}<\/span><\/span>\n    \/\/\u5904\u7406a,b<\/span><\/span>\n    <\/span>for<\/span> <\/span>(<\/span>int<\/span> i <\/span>=<\/span> <\/span>0<\/span>;<\/span> i <\/span><<\/span> lc<\/span>;<\/span> i<\/span>++<\/span>)<\/span> <\/span>{<\/span><\/span>\n        <\/span>a<\/span>[<\/span>i<\/span>]<\/span> <\/span>=<\/span> <\/span>b<\/span>[<\/span>i<\/span>]<\/span>;<\/span><\/span>\n        <\/span>b<\/span>[<\/span>i<\/span>]<\/span> <\/span>=<\/span> <\/span>c<\/span>[<\/span>i<\/span>]<\/span>;<\/span><\/span>\n    <\/span>}<\/span><\/span>\n}<\/span><\/span>\n<\/span>\nint<\/span> <\/span>main<\/span>()<\/span> <\/span>{<\/span><\/span>\n    <\/span>int<\/span> n<\/span>;<\/span><\/span>\n    cin <\/span>>><\/span> n<\/span>;<\/span><\/span>\n<\/span>\n    <\/span>a<\/span>[<\/span>0<\/span>]<\/span> <\/span>=<\/span> <\/span>1<\/span>;<\/span><\/span>\n    <\/span>b<\/span>[<\/span>0<\/span>]<\/span> <\/span>=<\/span> <\/span>1<\/span>;<\/span><\/span>\n    <\/span>if<\/span> <\/span>(<\/span>n <\/span>==<\/span> <\/span>1<\/span> <\/span>||<\/span> n <\/span>==<\/span> <\/span>0<\/span>)<\/span><\/span>\n        cout <\/span><<<\/span> <\/span>1<\/span>;<\/span><\/span>\n    <\/span>else<\/span> <\/span>{<\/span><\/span>\n        <\/span>for<\/span> <\/span>(<\/span>int<\/span> i <\/span>=<\/span> <\/span>2<\/span>;<\/span> i <\/span><=<\/span> n<\/span>;<\/span> i<\/span>++<\/span>)<\/span> <\/span>{<\/span><\/span>\n            <\/span>add<\/span>()<\/span>;<\/span><\/span>\n        <\/span>}<\/span><\/span>\n        <\/span>for<\/span> <\/span>(<\/span>int<\/span> i <\/span>=<\/span> lc <\/span>-<\/span> <\/span>1<\/span>;<\/span> i <\/span>>=<\/span> <\/span>0<\/span>;<\/span> i<\/span>--<\/span>)<\/span><\/span>\n            cout <\/span><<<\/span> <\/span>c<\/span>[<\/span>i<\/span>]<\/span>;<\/span><\/span>\n    <\/span>}<\/span><\/span>\n<\/span>\n    <\/span>return<\/span> <\/span>0<\/span>;<\/span><\/span>\n}<\/span><\/span><\/code><\/pre><\/div>\n\n\n\n
    \n\n\n\n
    \u6b22\u8fce\u6539\u6b63\u4e0e\u8865\u5145<\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"
    \u4e00\u3001\u9898\u76ee\uff1a \u6570\u697c\u68af \u9898\u76ee\u63cf\u8ff0 \u697c\u68af\u6709 $N$ \u9636\uff0c\u4e0a\u697c\u53ef\u4ee5\u4e00\u6b65\u4e0a\u4e00\u9636\uff0c\u4e5f\u53ef\u4ee5\u4e00\u6b65\u4e0a\u4e8c\u9636\u3002 \u7f16\u4e00\u4e2a\u7a0b\u5e8f\uff0c\u8ba1\u7b97\u5171\u6709 […]<\/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":[9],"class_list":["post-83","post","type-post","status-publish","format-standard","hentry","category-3","tag-9"],"_links":{"self":[{"href":"http:\/\/www.cmd137blog.top\/index.php?rest_route=\/wp\/v2\/posts\/83","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=83"}],"version-history":[{"count":1,"href":"http:\/\/www.cmd137blog.top\/index.php?rest_route=\/wp\/v2\/posts\/83\/revisions"}],"predecessor-version":[{"id":84,"href":"http:\/\/www.cmd137blog.top\/index.php?rest_route=\/wp\/v2\/posts\/83\/revisions\/84"}],"wp:attachment":[{"href":"http:\/\/www.cmd137blog.top\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=83"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.cmd137blog.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=83"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.cmd137blog.top\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=83"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}