{"id":273,"date":"2012-11-19T14:33:00","date_gmt":"2012-11-19T06:33:00","guid":{"rendered":"http:\/\/nike0good.jp1.rpvhost.net\/178"},"modified":"2012-11-19T14:33:00","modified_gmt":"2012-11-19T06:33:00","slug":"hdu_4302_zkw_segment_tree_-_a_single_point_modify_the_range_of_most_value","status":"publish","type":"post","link":"https:\/\/nike0good.com\/?p=273","title":{"rendered":"HDU 4302(zkw\u7ebf\u6bb5\u6811-\u5355\u70b9\u4fee\u6539\u533a\u95f4\u6700\u503c\uff09"},"content":{"rendered":"

\nHoledox Eating<\/h1>\n
\nProblem Description<\/div>\n
\nHoledox\u5728\u4e00\u6761\u957f\u5ea6\u4e3aL\u7684\u7ebf\u4e0a. Holedox\u80fd\u5728\u7ebf\u4e0a\u79fb\u52a8\uff0c\u7ebf\u4e0a\u4f1a\u65f6\u4e0d\u65f6\u7684\u51fa\u73b0\u86cb\u7cd5\uff08\u4fdd\u8bc1\u662f\u6574\u70b9\uff09\u3002Holedox\u4f1a\u5728\u60f3\u5403\u86cb\u7cd5\u65f6\u53bb\u6700\u8fd1\u7684\u6709\u86cb\u7cd5\u7684\u70b9\u5403\uff0c\u5982\u679c\u5de6\u53f3\u7684\u6700\u8fd1\u86cb\u7cd5\u4e0e\u5b83\u7684\u8ddd\u79bb\u76f8\u7b49\uff0c\u5b83\u4f1a\u6309\u4e0a\u4e00\u6b21\u884c\u8d70\u7684\u65b9\u5411\uff0c\u5982\u679c\u6ca1\u6709\u86cb\u7cd5\uff0c\u5b83\u4f1a\u5446\u5728\u539f\u5730\u3002\n<\/div>\n
\n <\/div>\n


<\/p>\n

\nInput<\/div>\n
\n\u7b2c\u4e00\u884c\u4e3a\u6570\u636e\u7ec4\u6570T (1 <= T <= 10)<\/div>\n
\n\u5bf9\u6bcf\u7ec4\u6570\u636e\uff0c\u7b2c\u4e00\u884c\u67092\u4e2a\u6574\u6570L,n(1<=L,n<=100000)\u8868\u793a\u7ebf\u6bb5\u957f\u5ea6\u548c\u4e8b\u4ef6\u6570\u3002<\/div>\n
\n\u63a5\u4e0b\u6765n\u884c\uff0c\u6bcf\u884c\u4e00\u4e2a\u4e8b\u4ef6\uff1a\u20180 x'\u8868\u793a\u5728x\u7684\u4f4d\u7f6e\u51fa\u73b0\u4e00\u5757\u86cb\u7cd5\uff0c\u20191\u2018\u8868\u793aHoledox\u53bb\u54031\u5757\u86cb\u7cd5\n<\/div>\n
\nHoledox\u4e00\u5f00\u59cb\u57280\u70b9\u3002<\/div>\n
\n <\/div>\n


<\/p>\n

\nOutput<\/div>\n
\n\u5bf9\u6bcf\u7ec4\u6570\u636e\uff0c\u8f93\u51fa\u4e00\u884c\u2018Case i: dis',dis\u8868\u793aHoledox\u7684\u79fb\u52a8\u8ddd\u79bb\u3002<\/div>\n
\n <\/div>\n


<\/p>\n

\nSample Input<\/div>\n
\n
3\n10 8\n0 1\n0 5\n1\n0 2\n0 0\n1\n1\n1\n\n10 7\n0 1\n0 5\n1\n0 2\n0 0\n1\n1\n\n10 8\n0 1\n0 1\n0 5\n1\n0 2\n0 0\n1\n1<\/div><\/pre>\n<\/div>\n
\n <\/div>\n

<\/p>\n
\nSample Output<\/div>\n
\n
Case 1: 9\nCase 2: 4\nCase 3: 2<\/div><\/pre>\n<\/div>\n
\n <\/div>\n
\u8fd9\u9898\u662f\u5355\u70b9\u4fee\u6539+\u533a\u95f4\u6700值\u7684zkw\u7ebf\u6bb5\u6811\uff08a[]\u8868\u793a\u6570\u91cf\uff09<\/span><\/p>\n
\u8fd9\u9898\u6709\u51e0\u4e2a\u6280\u5de7\uff1a<\/span><\/p>\n
1.\u7ebf\u6bb5\u6811\u591a\u5f00\uff1b<\/span><\/p>\n
2.'0'\u70b9\u7684\u5305\u542b\uff08\u628a\u6240\u6709\u6570\u5b57+1\uff0c\u663e\u7136\u4e0d\u5f71\u54cdHoledox\u7684\u79fb\u52a8\u8ddd\u79bb\uff09<\/span><\/p>\n
3.\u989d\u5916\u4fe1\u606f\u7684\u8bb0\u5f55\uff08\u4e3a\u4e86\u628a\u8fd9\u9898\u8f6c\u6362\u6210\u7ebf\u6bb5\u6811\uff09<\/span><\/p>\n

\n<\/span><\/p>\n
<\/span><\/p>\n
#include<cstdio>\n#include<cstring>\n#include<cstdlib>\n#include<cmath>\n#include<cctype>\n#include<iostream>\nusing namespace std;\n#define MAXT (10+10)\n#define MAXN (100000+10)\n#define MAXm (100000+10)\n#define INF (2139062143)\nint n,m,M,T,now,direction,ans;\nint t[2][MAXN*10];  \/\/0->max 1->min\nint a[MAXN];\nvoid dec(int x)\n{\n\ta[x]--;\n\tif (a[x]==0)\n\t{\n\t\tx+=M;\n\t\tt[0][x]=0;t[1][x]=INF;\n\t\tfor (x>>=1;x;x>>=1)\n\t\t{\n\t\t\tt[0][x]=max(t[0][x<<1],t[0][(x<<1)^1]);\n\t\t\tt[1][x]=min(t[1][x<<1],t[1][(x<<1)^1]);\n\t\t}\n\t}\n}\nvoid go_left(int Lans)\n{\n\tans+=now-Lans;\n\tnow=Lans;direction=-1;\n\tdec(now);\n}\nvoid go_right(int Rans)\n{\n\tans+=Rans-now;\n\tnow=Rans;direction=1;\n\tdec(now);\n}\nint main()\n{\n\tfreopen("Holding.in","r",stdin);\n\tscanf("%d",&T);\n\tfor (int k=1;k<=T;k++)\n\t{\n\t\tmemset(t[0],0,sizeof(t[0]));ans=0;\n\t\tmemset(t[1],127,sizeof(t[1]));\n\t\tmemset(a,0,sizeof(a));now=1;direction=1; \/\/1->right -1->left\n\t\tscanf("%d%d",&n,&m);n+=2;\n\t\tM=1;while (M-2<n) M<<=1;\n\t\tfor (int i=1;i<=m;i++)\n\t\t{\n\t\t\tint p1,p2;\n\t\t\tscanf("%d",&p1);\n\t\t\tif (p1==0)\n\t\t\t{\n\t\t\t\tscanf("%d",&p2);p2+=1;\n\t\t\t\ta[p2]++;\n\t\t\t\tif (a[p2]==1)\n\t\t\t\t{\n\t\t\t\t\tp2+=M;t[0][p2]=t[1][p2]=p2-M;\n\t\t\t\t\tint p=p2;\n\t\t\t\t\tfor (p>>=1;p;p>>=1) t[0][p]=max(t[0][p<<1],t[0][(p<<1)^1]);\n\t\t\t\t\tfor (p2>>=1;p2;p2>>=1) t[1][p2]=min(t[1][p2<<1],t[1][(p2<<1)^1]);\n\t\t\t\t}\n\t\t\t}\n\t\t\telse\n\t\t\t{\n\t\t\t\t\/\/(0,now+1)->[1,now]\n\t\t\t\tint l=M,r=now+1+M,Lans=0,Rans=INF;\n\t\t\t\twhile (l^r^1)\n\t\t\t\t{\n\t\t\t\t\tif (~l&1) Lans=max(Lans,t[0][l+1]);\n\t\t\t\t\tif (r&1) Lans=max(Lans,t[0][r-1]);\n\t\t\t\t\tl>>=1;r>>=1;\n\t\t\t\t}\n\t\t\t\t\/\/(now-1,n)->[now,n-1]\n\t\t\t\tl=now-1+M;r=n+M;\n\t\t\t\twhile (l^r^1)\n\t\t\t\t{\n\t\t\t\t\tif (~l&1) Rans=min(Rans,t[1][l+1]);\n\t\t\t\t\tif (r&1) Rans=min(Rans,t[1][r-1]);\n\t\t\t\t\tl>>=1;r>>=1;\n\t\t\t\t}\n\t\t\t\tif (Lans==0&&Rans==INF) continue;\n\t\t\t\telse if (Lans==0) go_right(Rans);\n\t\t\t\telse if (Rans==INF) go_left(Lans);\n\t\t\t\telse if (now-Lans<Rans-now) go_left(Lans);\n\t\t\t\telse if (now-Lans>Rans-now) go_right(Rans);\n\t\t\t\telse if (now-Lans==0) dec(now);\n\t\t\t\telse if (direction==1) go_right(Rans);\n\t\t\t\telse go_left(Lans);\n\n\n\n\n\t\t\t}\n\t\t\t\/*\n\t\t\t\tfor (int j=1;j<=M*2;j++) if (t[0][j]) cout<<j<<":"<<t[0][j]<<' ';\n\t\t\t\tcout<<endl;\n\t\t\t\tfor (int j=1;j<=M*2;j++) if (t[1][j]<INF) cout<<j<<":"<<t[1][j]<<' ';\n\t\t\t\tcout<<endl;\n\t\t\t*\/\n\n\n\n\n\t\t}\n\t\tprintf("Case %d: %dn",k,ans);\n\n\t}\n\treturn 0;\n}<\/pre><\/p>\n","protected":false},"excerpt":{"rendered":"
Holedox Eating Problem Description Holedox\u5728\u4e00\u6761\u957f\u5ea6\u4e3aL\u7684\u7ebf\u4e0a. H […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_coblocks_attr":"","_coblocks_dimensions":"","_coblocks_responsive_height":"","_coblocks_accordion_ie_support":"","footnotes":""},"categories":[3],"tags":[52],"class_list":["post-273","post","type-post","status-publish","format-standard","hentry","category-defaultcategory","tag-the_zkw_segment_tree"],"yoast_head":"\nHDU 4302(zkw\u7ebf\u6bb5\u6811-\u5355\u70b9\u4fee\u6539\u533a\u95f4\u6700\u503c\uff09 - nike0good<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/nike0good.com\/?p=273\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"HDU 4302(zkw\u7ebf\u6bb5\u6811-\u5355\u70b9\u4fee\u6539\u533a\u95f4\u6700\u503c\uff09 - nike0good\" \/>\n<meta property=\"og:description\" content=\"Holedox Eating Problem Description Holedox\u5728\u4e00\u6761\u957f\u5ea6\u4e3aL\u7684\u7ebf\u4e0a. 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