{"id":255,"date":"2025-06-22T13:02:59","date_gmt":"2025-06-22T13:02:59","guid":{"rendered":"http:\/\/west.wangyuansheng.cn\/?p=255"},"modified":"2025-06-22T13:02:59","modified_gmt":"2025-06-22T13:02:59","slug":"%e5%bd%a9%e7%81%af","status":"publish","type":"post","link":"http:\/\/west.wangyuansheng.cn\/?p=255","title":{"rendered":"\u5f69\u706f"},"content":{"rendered":"\n<h3 class=\"wp-block-heading\">\u9898\u76ee\u89e3\u91ca<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u6709\u4e00\u6392\u5f69\u706f\uff0c\u6bcf\u76cf\u706f\u4e0a\u6709\u4e00\u4e2a\u6570\u5b57\u3002\u6211\u4eec\u9700\u8981\u7184\u706d\u4e00\u4e9b\u706f\uff0c\u4f7f\u5f97\u5269\u4e0b\u7684\u706f\u4ece\u5de6\u5230\u53f3\u663e\u793a\u7684\u6570\u5b57\u6b63\u597d\u662f\u8fde\u7eed\u7684\uff1a1, 2, 3, \u2026\uff08\u4ece1\u5f00\u59cb\uff0c\u6bcf\u4e2a\u6570\u5b57\u6bd4\u524d\u4e00\u4e2a\u59271\uff09\u3002\u95ee\u6700\u5c11\u9700\u8981\u7184\u706d\u591a\u5c11\u76cf\u706f\uff1f\u5982\u679c\u65e0\u6cd5\u5b9e\u73b0\uff0c\u8f93\u51fa-1\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u89e3\u9898\u601d\u8def<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u6211\u4eec\u53ef\u4ee5\u60f3\u8c61\u81ea\u5df1\u5728\u6309\u987a\u5e8f\u627e\u6570\u5b57\uff1a\u5148\u627e1\uff0c\u627e\u52301\u540e\u63a5\u7740\u627e2\uff0c\u7136\u540e\u627e3\uff0c\u4ee5\u6b64\u7c7b\u63a8\u3002\u5728\u904d\u5386\u6240\u6709\u706f\u7684\u8fc7\u7a0b\u4e2d\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5982\u679c\u9047\u5230\u5f53\u524d\u8981\u627e\u7684\u6570\u5b57\uff08\u6bd4\u5982\u5148\u627e1\uff0c\u7136\u540e2\uff0c\u7136\u540e3\u2026\uff09\uff0c\u5c31\u4fdd\u7559\u8fd9\u76cf\u706f\uff0c\u5e76\u5f00\u59cb\u627e\u4e0b\u4e00\u4e2a\u6570\u5b57\u3002<\/li>\n\n\n\n<li>\u5982\u679c\u9047\u5230\u4e0d\u662f\u5f53\u524d\u8981\u627e\u7684\u6570\u5b57\uff0c\u5c31\u7184\u706d\u8fd9\u76cf\u706f\uff08\u8df3\u8fc7\u5b83\uff09\u3002<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u6700\u540e\uff0c\u6211\u4eec\u7edf\u8ba1\u627e\u5230\u4e86\u591a\u5c11\u4e2a\u8fde\u7eed\u7684\u6570\u5b57\uff08\u6bd4\u5982\u627e\u5230\u4e861,2,3\uff0c\u90a3\u4e48\u5c31\u662f3\u4e2a\uff09\u3002\u7528\u603b\u706f\u6570\u51cf\u53bb\u627e\u5230\u7684\u8fde\u7eed\u6570\u5b57\u7684\u4e2a\u6570\uff0c\u5c31\u662f\u6700\u5c11\u9700\u8981\u7184\u706d\u7684\u706f\u6570\u3002\u5982\u679c\u8fde1\u90fd\u6ca1\u627e\u5230\uff0c\u8bf4\u660e\u65e0\u6cd5\u5b9e\u73b0\uff0c\u8f93\u51fa-1\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u793a\u4f8b\u8bf4\u660e<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u793a\u4f8b1<\/strong>\uff1a\u5f69\u706f\u6570\u5b57\u4e3a [2, 1, 3, 4]<\/p>\n\n\n\n<ol class=\"wp-block-list\"><\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5148\u627e1\uff1a\u8df3\u8fc72\uff0c\u627e\u52301\uff08\u4fdd\u7559\uff09\uff0c\u63a5\u7740\u627e2\u3002<\/li>\n\n\n\n<li>\u627e2\uff1a\u8df3\u8fc73\uff0c\u8df3\u8fc74\uff08\u6ca1\u627e\u52302\uff09\uff0c\u53ea\u4fdd\u7559\u4e861\u3002<\/li>\n\n\n\n<li>\u4fdd\u75591\u76cf\u706f\uff0c\u7184\u706d3\u76cf\u706f\uff0c\u8f93\u51fa3\u3002<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u793a\u4f8b2<\/strong>\uff1a\u5f69\u706f\u6570\u5b57\u4e3a [1, 3, 2, 4]<\/p>\n\n\n\n<ol class=\"wp-block-list\"><\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5148\u627e1\uff1a\u627e\u52301\uff08\u4fdd\u7559\uff09\uff0c\u63a5\u7740\u627e2\u3002<\/li>\n\n\n\n<li>\u627e2\uff1a\u8df3\u8fc73\uff0c\u627e\u52302\uff08\u4fdd\u7559\uff09\uff0c\u63a5\u7740\u627e3\u3002<\/li>\n\n\n\n<li>\u627e3\uff1a\u8df3\u8fc74\uff08\u6ca1\u627e\u52303\uff09\uff0c\u4fdd\u7559\u4e861\u548c2\u3002<\/li>\n\n\n\n<li>\u4fdd\u75592\u76cf\u706f\uff0c\u7184\u706d2\u76cf\u706f\uff0c\u8f93\u51fa2\u3002<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u793a\u4f8b3<\/strong>\uff1a\u5f69\u706f\u6570\u5b57\u4e3a [1, 2, 3, 4]<\/p>\n\n\n\n<ol class=\"wp-block-list\"><\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u4f9d\u6b21\u627e\u52301\u30012\u30013\u30014\uff0c\u5168\u90e8\u4fdd\u7559\uff0c\u7184\u706d0\u76cf\u706f\uff0c\u8f93\u51fa0\u3002<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u793a\u4f8b4<\/strong>\uff1a\u5f69\u706f\u6570\u5b57\u4e3a [2, 3, 4]<\/p>\n\n\n\n<ol class=\"wp-block-list\"><\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u8fde1\u90fd\u6ca1\u627e\u5230\uff0c\u65e0\u6cd5\u5b9e\u73b0\uff0c\u8f93\u51fa-1\u3002<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\u4ee3\u7801\u5b9e\u73b0<\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code>#include &lt;bits\/stdc++.h&gt;\nusing namespace std;\nint main(){\n    \/\/\u6570\u636e\u91cf\u6bd4\u8f83\u5927\uff0c\u4e0d\u5efa\u8bae\u7528\u6570\u7ec4 \n    int n,cnt,num,tmp; \n    cin&gt;&gt;n;\n    num=1;\/\/\u4ece\u7f16\u53f71\u5f00\u59cb\u627e \n    cnt=0;\n    for(i=1;i&lt;=n;i++){\n        cin&gt;&gt;tmp;\n        if(num==tmp){\n            cnt++;\/\/\u627e\u5230\u5c31\u7edf\u8ba1\u52a01 \n            num++;\/\/\u7ee7\u7eed\u627e\u4e0b\u4e00\u4e2a\u7f16\u53f7 \n        } \n    } \n    \/\/\u8f93\u51fa\u7edf\u8ba1\u7ed3\u679c \n    if(cnt==0){\/\/\u5982\u679c\u6ca1\u6709 \n        cout&lt;&lt;\"-1\";\n    }else{\n        cout&lt;&lt;n-cnt;\n    }\n    return 0;\n} <\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\">\u4ee3\u7801\u8bf4\u660e<\/h3>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u8f93\u5165\u5904\u7406<\/strong>\uff1a\u5148\u8bfb\u5165\u5f69\u706f\u6570\u91cf <code>n<\/code>\uff0c\u518d\u8bfb\u5165\u6bcf\u76cf\u706f\u7684\u6570\u5b57\u3002<\/li>\n\n\n\n<li><strong>\u4e0d\u4f7f\u7528\u6570\u7ec4<\/strong>\uff1a<\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u56e0\u4e3a\u6570\u636e\u91cf\u6bd4\u8f83\u5927\uff0c\u6240\u4ee5\u4f18\u5148\u8003\u8651\u4e0d\u4f7f\u7528\u6570\u636e\uff0c\u589e\u52a0\u8fd0\u7b97\u901f\u5ea6<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u7ed3\u679c\u5224\u65ad<\/strong>\uff1a<\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5982\u679c <code>count<\/code> \u4e3a0\uff08\u4e00\u4e2a\u6570\u5b57\u90fd\u6ca1\u627e\u5230\uff09\uff0c\u8f93\u51fa-1\u3002<\/li>\n\n\n\n<li>\u5426\u5219\uff0c\u8f93\u51fa <code>n - count<\/code>\uff08\u603b\u706f\u6570\u51cf\u53bb\u4fdd\u7559\u7684\u706f\u6570\uff09\u3002<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>\u9898\u76ee\u89e3\u91ca \u6709\u4e00\u6392\u5f69\u706f\uff0c\u6bcf\u76cf\u706f\u4e0a\u6709\u4e00\u4e2a\u6570\u5b57\u3002\u6211\u4eec\u9700\u8981\u7184\u706d\u4e00\u4e9b\u706f\uff0c\u4f7f\u5f97\u5269\u4e0b\u7684\u706f\u4ece\u5de6\u5230\u53f3\u663e\u793a\u7684\u6570\u5b57\u6b63\u597d\u662f\u8fde\u7eed\u7684\uff1a1, 2,&#8230; <a class=\"read-more\" href=\"http:\/\/west.wangyuansheng.cn\/?p=255\">\u9605\u8bfb\u66f4\u591a&#8230;<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-255","post","type-post","status-publish","format-standard","hentry","category-problem"],"_links":{"self":[{"href":"http:\/\/west.wangyuansheng.cn\/index.php?rest_route=\/wp\/v2\/posts\/255","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/west.wangyuansheng.cn\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/west.wangyuansheng.cn\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/west.wangyuansheng.cn\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/west.wangyuansheng.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=255"}],"version-history":[{"count":1,"href":"http:\/\/west.wangyuansheng.cn\/index.php?rest_route=\/wp\/v2\/posts\/255\/revisions"}],"predecessor-version":[{"id":256,"href":"http:\/\/west.wangyuansheng.cn\/index.php?rest_route=\/wp\/v2\/posts\/255\/revisions\/256"}],"wp:attachment":[{"href":"http:\/\/west.wangyuansheng.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=255"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/west.wangyuansheng.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=255"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/west.wangyuansheng.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=255"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}