{"id":162,"date":"2018-10-19T16:33:46","date_gmt":"2018-10-19T08:33:46","guid":{"rendered":"http:\/\/SmokeyDays.top\/wordpress\/?p=162"},"modified":"2018-10-21T13:03:25","modified_gmt":"2018-10-21T05:03:25","slug":"arc098-d-xor-sum2","status":"publish","type":"post","link":"http:\/\/SmokeyDays.top\/wordpress\/2018\/10\/19\/arc098-d-xor-sum2\/","title":{"rendered":"ARC098 D Xor Sum2"},"content":{"rendered":"<p>\u4e00\u9053\u7b80\u5355\u53cc\u6307\u9488\u9898\u3002<br \/>\n\u9996\u5148\u731c\u7ed3\u8bba\uff1a\\(x\\ xor\\ y==x+y\\)\u5f53\u4e14\u4ec5\u5f53\\(x\\&#038;y==x+y\\)<br \/>\n\u90a3\u4e48\uff0c\u4ee4\u51fd\u6570\\(f_l\\)\u8868\u793a\uff0c\u4ee5\\(l\\)\u4e3a\u5de6\u7aef\u70b9\u6700\u8fdc\u80fd\u62d3\u5c55\u5230\u7684\u53f3\u7aef\u70b9\u3002<br \/>\n\u6211\u4eec\u53ef\u4ee5\u53d1\u73b0\uff0c\\(f_{l+1}\\)\u4e5f\u4e00\u5b9a\u81f3\u5c11\u80fd\u62d3\u5c55\u5230\u8fd9\u4e2a\u70b9\u3002<br \/>\n\u8fd9\u65f6\u5019\u6211\u4eec\u5219\u53ef\u4ee5\u5728\u56fa\u5b9a\u5de6\u7aef\u70b9\u7684\u540c\u65f6\u79fb\u52a8\u53f3\u7aef\u70b9\u3002\u6bcf\u4e00\u6b21\u79fb\u52a8\uff0c\u4ece\u8fd9\u4e2a\u53f3\u7aef\u70b9\u5230\u8fd9\u4e2a\u5de6\u7aef\u70b9\u4e4b\u95f4\u6240\u6709\u7684\u5de6\u7aef\u70b9\u6784\u6210\u7684\u533a\u95f4\u90fd\u662f\u5408\u6cd5\u7684\u3002<br \/>\n\u7edf\u8ba1\u5373\u53ef\u5f97\u89e3\u3002<\/p>\n<pre class=\"pure-highlightjs\"><code class=\"cpp\">\r\n#include&lt;iostream&gt;\r\n#include&lt;cstdio&gt;\r\nusing namespace std;\r\n\r\nint n,a[200005];\r\nvoid init(){\r\n    scanf(\"%d\",&amp;n);\r\n    for(int i=1;i&lt;=n;++i){\r\n        scanf(\"%d\",&amp;a[i]);\r\n    }\r\n    long long ans=0,nw=0;\r\n    int l=1,r=1;\r\n    while(r&lt;=n){\r\n        while((!(nw&amp;a[r]))&amp;&amp;r&lt;=n){\r\n            nw|=a[r++];\r\n            ans+=(r-l);\r\n        }\r\n        nw^=a[l++];\r\n    }\r\n    printf(\"%lld\",ans);\r\n}\r\nint main(){\r\n    init();\r\n    return 0;\r\n} <\/code><\/pre>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e00\u9053\u7b80\u5355\u53cc\u6307\u9488\u9898\u3002 \u9996\u5148\u731c\u7ed3\u8bba\uff1a\\(x\\ xor\\ y==x+y\\)\u5f53\u4e14\u4ec5\u5f53\\(x\\&#038;y==x+y\\ &hellip; <\/p>\n<p class=\"link-more\"><a href=\"http:\/\/SmokeyDays.top\/wordpress\/2018\/10\/19\/arc098-d-xor-sum2\/\" class=\"more-link\">\u7ee7\u7eed\u9605\u8bfb<span class=\"screen-reader-text\">\u201cARC098 D Xor Sum2\u201d<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[13,15,5],"tags":[],"_links":{"self":[{"href":"http:\/\/SmokeyDays.top\/wordpress\/wp-json\/wp\/v2\/posts\/162"}],"collection":[{"href":"http:\/\/SmokeyDays.top\/wordpress\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/SmokeyDays.top\/wordpress\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/SmokeyDays.top\/wordpress\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/SmokeyDays.top\/wordpress\/wp-json\/wp\/v2\/comments?post=162"}],"version-history":[{"count":4,"href":"http:\/\/SmokeyDays.top\/wordpress\/wp-json\/wp\/v2\/posts\/162\/revisions"}],"predecessor-version":[{"id":175,"href":"http:\/\/SmokeyDays.top\/wordpress\/wp-json\/wp\/v2\/posts\/162\/revisions\/175"}],"wp:attachment":[{"href":"http:\/\/SmokeyDays.top\/wordpress\/wp-json\/wp\/v2\/media?parent=162"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/SmokeyDays.top\/wordpress\/wp-json\/wp\/v2\/categories?post=162"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/SmokeyDays.top\/wordpress\/wp-json\/wp\/v2\/tags?post=162"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}