{"id":1175,"date":"2024-09-07T09:00:00","date_gmt":"2024-09-07T01:00:00","guid":{"rendered":"https:\/\/seanxd.com\/?p=1175"},"modified":"2024-08-20T22:08:29","modified_gmt":"2024-08-20T14:08:29","slug":"zerojudge-b003","status":"publish","type":"post","link":"https:\/\/seanxd.com\/zh\/zerojudge-b003\/","title":{"rendered":"ZeroJudge B003: \u904b\u7b97\u5f0f + &#8211; \u7b26\u865f\u8a2d\u5b9a\u554f\u984c"},"content":{"rendered":"\n\n\n<p>\u7d66\u5b9a\u4e00\u500b\u904b\u7b97\u5f0f\uff1a \u00b1 1 \u00b1 2 \u00b1 3 \u00b1 &#8230; \u00b1 n = k\uff0c\u4f60\u5fc5\u9808\u6c7a\u5b9a\u6bcf\u500b\u6578\u5b57\u524d\u7684\u904b\u7b97\u7b26\u865f\u662f + \u6216 &#8211; \u4ee5\u627e\u51fa\u6700\u5c0f\u7684n\u503c\uff0c\u4f7f\u5f97\u6b64\u904b\u7b97\u5f0f\u7b49\u65bck\u3002<\/p>\n\n\n\n<p>\u4f8b\u5982\uff1a\u82e5 k = 12\uff0c\u5247\u904b\u7b97\u5f0f\u5c07\u6703\u662f\uff1a<\/p>\n\n\n\n<p>&#8211; 1 + 2 + 3 + 4 + 5 + 6 &#8211; 7 = 12<\/p>\n\n\n\n<p>\u800c\u6b64\u6642\u6700\u5c0f\u7684 n \u503c\u662f 7\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u7bc4\u4f8b\u6e2c\u8cc7<\/h2>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u7bc4\u4f8b\u8f38\u5165<\/th><th>\u7bc4\u4f8b\u8f38\u51fa<\/th><\/tr><\/thead><tbody><tr><td>EOF \u8f38\u5165\uff0c\u6bcf\u4e00\u7d44\u6e2c\u8a66\u8cc7\u6599\u4e00\u5217\uff0c\u542b\u6709 1 \u500b\u6574\u6578 k (0 &lt;= |k| &lt;= 1000000000)\u3002<\/td><td>\u5c0d\u6bcf\u4e00\u7d44\u6e2c\u8a66\u8cc7\u6599\u8f38\u51fa\u4e00\u5217\uff0c\u8f38\u51fa\u6700\u5c0f\u53ef\u80fd\u7684 n (1 &lt;= n) \u4f7f\u5f97\u904b\u7b97\u5f0f\u7684\u7d50\u679c\u70ba\u8f38\u5165\u7684 k \u503c\u3002<\/td><\/tr><tr><td>12<br>-3646397<\/td><td>7<br>2701<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">\u89e3\u984c\u601d\u8def<\/h2>\n\n\n\n<p>\u5f9e 1 \u5230 n \u5c07\u6578\u5b57\u7d2f\u52a0\uff0c\u7576\u7d2f\u52a0\u7684\u6578\u5b57\u8d85\u904e n \u6642\uff0c\u5224\u65b7\u7d2f\u52a0\u7684\u6578\u5b57\uff0dn \u662f\u5426\u662f\u5076\u6578\uff0c\u5982\u679c\u662f\u5076\u6578\u7684\u8a71\u5247\u76ee\u524d\u8dd1\u5230\u7684\u6578\u5b57\u5373\u662f\u7b54\u6848\u3002<\/p>\n\n\n\n<p>\u5982\u679c n \u70ba\u8ca0\u6578\u7684\u8a71\u5c31\u5c07\u5176\u8f49\u63db\u6210\u6b63\u6578\u5373\u53ef\uff0c\u4e26\u4e14\u7d2f\u52a0\u7684\u6578\u5b57\u8b8a\u6578\u8981\u958b Long Long Int\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u7bc4\u4f8b\u7a0b\u5f0f\u78bc\uff0d<a href=\"https:\/\/zerojudge.tw\/ShowProblem?problemid=b003\" target=\"_blank\" rel=\"noreferrer noopener\">ZeroJudge B003: \u904b\u7b97\u5f0f + &#8211; \u7b26\u865f\u8a2d\u5b9a\u554f\u984c<\/a><\/h3>\n\n\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-cpp\" data-lang=\"C++\"><code>#include &lt;iostream&gt;\nusing namespace std;\n\n\nint main() {\n    cin.sync_with_stdio(0);\n    cin.tie(0);\n    int N;\n    while (cin &gt;&gt; N) {\n        N = abs(N);\n        long long int sum = 0;\n        for (int i = 1; i&lt;=1000000000; i++) {\n            sum += i;\n            if (sum == N) {\n                cout &lt;&lt; i &lt;&lt; &quot;\\n&quot;;\n                break;\n            }\n            if (sum &gt; N) {\n                if ((sum - N) % 2 == 0) {\n                    cout &lt;&lt; i &lt;&lt; &quot;\\n&quot;;\n                    break;\n                }\n            }\n        }\n    }\n}\n\n\/\/ZeroJudge B003\n\/\/Dr. SeanXD<\/code><\/pre><\/div>\n","protected":false},"excerpt":{"rendered":"<p>\u7d66\u5b9a\u4e00\u500b\u904b\u7b97\u5f0f\uff1a \u00b1 1 \u00b1 2 \u00b1 3 \u00b1 &#8230; \u00b1 n = k\uff0c\u4f60\u5fc5\u9808\u6c7a\u5b9a\u6bcf\u500b\u6578\u5b57\u524d\u7684\u904b\u7b97\u7b26\u865f\u662f [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"nf_dc_page":"","footnotes":""},"categories":[29],"tags":[15,8,13,9],"class_list":["post-1175","post","type-post","status-publish","format-standard","hentry","category-zerojudge-","tag-long-long-int","tag-8","tag-13","tag-9"],"blocksy_meta":[],"_links":{"self":[{"href":"https:\/\/seanxd.com\/zh\/wp-json\/wp\/v2\/posts\/1175","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/seanxd.com\/zh\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/seanxd.com\/zh\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/seanxd.com\/zh\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/seanxd.com\/zh\/wp-json\/wp\/v2\/comments?post=1175"}],"version-history":[{"count":2,"href":"https:\/\/seanxd.com\/zh\/wp-json\/wp\/v2\/posts\/1175\/revisions"}],"predecessor-version":[{"id":1177,"href":"https:\/\/seanxd.com\/zh\/wp-json\/wp\/v2\/posts\/1175\/revisions\/1177"}],"wp:attachment":[{"href":"https:\/\/seanxd.com\/zh\/wp-json\/wp\/v2\/media?parent=1175"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/seanxd.com\/zh\/wp-json\/wp\/v2\/categories?post=1175"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/seanxd.com\/zh\/wp-json\/wp\/v2\/tags?post=1175"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}