{"id":41,"date":"2025-01-11T22:46:51","date_gmt":"2025-01-11T14:46:51","guid":{"rendered":"http:\/\/150.230.63.147\/blog\/?p=41"},"modified":"2025-01-11T22:46:51","modified_gmt":"2025-01-11T14:46:51","slug":"b-game-of-the-rows-%e8%a7%a3%e6%9e%90%e6%80%9d%e7%b6%ad","status":"publish","type":"post","link":"https:\/\/blog.seekrealthing.net\/blog\/?p=41","title":{"rendered":"B. Game of the Rows \u89e3\u6790(\u601d\u7dad)"},"content":{"rendered":"\n

Codeforce 839 B. Game of the Rows \u89e3\u6790(\u601d\u7dad)<\/h1>\n

\u4eca\u5929\u6211\u5011\u4f86\u770b\u770bCF839B
\n\u984c\u76ee\u9023\u7d50<\/a><\/p>\n

\n

\u984c\u76ee<\/strong>
\n\u6709\u5982\u4e0b\u5716\u7247\u6240\u793a\u7684\u98db\u6a5f\u5ea7\u4f4d$n$\u6392\uff0c\u548c$k$\u968a\u58eb\u5175\uff0c\u6bcf\u968a\u6578\u91cf\u4e0d\u4e00\u5b9a\u3002
\n\"\"
\n\u6c42\u662f\u5426\u53ef\u4ee5\u6bcf\u968a\u90fd\u5750\u4e0a\u53bb\u4e26\u4e14\u6c92\u6709\u4efb\u4f55\u5169\u500b\u58eb\u5175\u76f8\u9130\u300c\u4e26\u4e14\u300d\u662f\u4e0d\u540c\u968a\u7684\u3002<\/p>\n<\/blockquote>\n

\u524d\u8a00<\/h3>\n

\u601d\u8003\u6642\u5c0f\u5fc3\u4e00\u9ede\uff0c\u8a18\u5f97\u5ea7\u4f4d\u6709\u5f88\u591a\u7a2e\u6368\u68c4\u65b9\u6cd5<\/p>\n

\u60f3\u6cd5<\/h3>\n

\u6ce8\u610f\u5230\uff0c\u5728\u5ea7\u4f4d\u8db3\u5920\u7684\u60c5\u6cc1\u4e0b\uff0c\u6211\u5011\u53ef\u4ee5\u6709\u4e09\u6b65\u9a5f\u7684\u65b9\u6cd5\u4f86\u6368\u53bb\u5ea7\u4f4d\u3002<\/p>\n

    \n
  1. \u628a\u4e2d\u9593\u7684$4$\u500b\u5ea7\u4f4d\u5206\u6210$1,2$\u4eba\u5ea7\u4f4d (\u6b64\u6b65\u628a\u53ef\u4ee5\u5f97\u5230\u7684\u9593\u9694\u90fd\u5f97\u5230\u4e86)<\/li>\n
  2. \u628a\u5de6\u53f3\u76842\u500b2\u4eba\u5ea7\u4f4d\u96a8\u4fbf\u9078\u4e00\u500b(\u6216\u8005\u5169\u500b\u90fd\u9078)\u6368\u53bb\u4e00\u500b\u5ea7\u4f4d\uff0c\u8b8a\u6210$1$\u4eba\u5ea7\u4f4d<\/li>\n
  3. \u628a\u4e2d\u9593\u5df2\u7d93\u62c6\u6210$1,2$\u4eba\u5ea7\u4f4d\u76844\u500b\u5ea7\u4f4d\uff0c\u518d\u6368\u53bb\u4e00\u500b\uff0c\u8b8a\u6210$1,1$\u4eba\u5ea7\u4f4d<\/li>\n<\/ol>\n

    ($2.3.$\u5169\u500b\u6b65\u9a5f\u662f\u5728\u628a$2$\u4eba\u5ea7\u4f4d\u63db\u6210$1$\u4eba\u5ea7\u4f4d\uff0c\u9019\u6a23\u624d\u80fd\u65b9\u4fbf\u7b49\u7b49\u7684\u5206\u914d\u5ea7\u4f4d\u9806\u5229\u904b\u884c)
    \n\u63a5\u8457\u8981\u628a\u58eb\u5175\u4e00\u968a\u4e00\u968a\u5206\u914d\u9032\u53bb\u3002\u73fe\u5728\u5df2\u7d93\u6709$1,2,4$\u4eba\u5ea7\u4f4d\u7684\u6578\u91cf\u4e86\uff0c\u800c\u9019\u4e9b\u5ea7\u4f4d\u90fd\u662f\u5206\u958b\u7684\uff0c\u90a3\u9ebc\u6211\u5011\u53ea\u8981\u5f9e\u6700\u5927\u7684\u5ea7\u4f4d\u958b\u59cb\u628a\u58eb\u5175\u5206\u914d\u9032\u53bb\u5c31\u597d\u3002<\/p>\n

    \u7a0b\u5f0f\u78bc:<\/h3>\n
    const int _n=1e4+10;  \nint t,tt,ttt,n,k,a[_n],sum=0,cnt[5];  \nmain(void) {cin.tie(0);ios_base::sync_with_stdio(0);  \n  cin>>n>>k;rep(i,0,k){cin>>a[i];sum+=a[i];} cnt[2]=2*n,cnt[4]=n;  \n  t=min(n,8*n-sum); cnt[1]=t,cnt[2]+=t,cnt[4]-=t;  \n  if(t==n){tt=min(2*n,8*n-n-sum); cnt[1]+=tt,cnt[2]-=tt;}  \n  if(tt==2*n){ttt=min(n,8*n-n-n-n-sum); cnt[1]+=ttt,cnt[2]-=ttt;}  \n  rep(i,0,k){  \n    int f=min(cnt[4],a[i]\/4);  \n    cnt[4]-=f; a[i]-=4*f;  \n    f=min(cnt[2],a[i]\/2);  \n    cnt[2]-=f; a[i]-=2*f;  \n    f=min(cnt[1],a[i]);  \n    cnt[1]-=f; a[i]-=f;  \n    if(a[i]){cout<<"NO\\n";return 0;}  \n  }cout<<"YES\\n";  \n  return 0;  \n}  \n<\/code><\/pre>\n
    \u6a19\u982d\u3001\u6a21\u677f\u8acb\u9edeSubmission\u770b
    \n    Submission<\/a><\/p>\n<\/div>\n","protected":false},"excerpt":{"rendered":"","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":false,"jetpack_social_options":{"image_generator_settings":{"template":"highway","enabled":false},"version":2}},"categories":[3],"tags":[10,9,8],"class_list":["post-41","post","type-post","status-publish","format-standard","hentry","category-ojcode","tag-codeforce","tag-ojcode","tag-8"],"jetpack_publicize_connections":[],"yoast_head":"\nB. 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