{"id":62,"date":"2025-01-11T23:06:08","date_gmt":"2025-01-11T15:06:08","guid":{"rendered":"http:\/\/150.230.63.147\/blog\/?p=62"},"modified":"2025-01-11T23:06:08","modified_gmt":"2025-01-11T15:06:08","slug":"e-copying-data-%e8%a7%a3%e6%9e%90%e7%b7%9a%e6%ae%b5%e6%a8%b9","status":"publish","type":"post","link":"https:\/\/blog.seekrealthing.net\/blog\/?p=62","title":{"rendered":"E. Copying Data \u89e3\u6790(\u7dda\u6bb5\u6a39)"},"content":{"rendered":"\n

Codeforce 292 E. Copying Data \u89e3\u6790(\u7dda\u6bb5\u6a39)<\/h1>\n

\u4eca\u5929\u6211\u5011\u4f86\u770b\u770bCF292E
\n\u984c\u76ee\u9023\u7d50<\/a><\/p>\n

\n

\u984c\u76ee<\/strong>
\n\u7d66\u4f60\u5169\u500b\u9663\u5217$a,b$\uff0c\u6709\u5169\u7a2e\u64cd\u4f5c:\u628a$a$\u7684\u4e00\u6bb5\u8907\u88fd\u5230$b$\uff0c\u6216\u8005\u67e5\u8a62$b$\u7684\u67d0\u500b\u5143\u7d20\u662f\u4ec0\u9ebc\u3002<\/p>\n<\/blockquote>\n

\u524d\u8a00<\/h3>\n

\u53bb\u770b\u5176\u4ed6\u4ebaSubmit\u7684code\u6703\u767c\u73fe\u6709\u5176\u4ed6\u505a\u6cd5\uff0c\u6211\u7684\u4f5c\u6cd5\u53ef\u80fd\u4e0d\u662f\u6700\u597d\u7684\uff0c\u7562\u7adf\u6211\u5c0d\u65bc\u55ae\u9ede\u67e5\u8a62\u4e14\u7121\u6cd5\u7dad\u8b77\u5340\u9593\u503c\u7684\u7dda\u6bb5\u6a39\u4e0d\u662f\u5f88\u719f\u3002<\/p>\n

\u60f3\u6cd5<\/h3>\n

\u9996\u5148\u5bdf\u89ba\u5230\u9019\u984c\u6709\u53ef\u80fd\u662f\u7dda\u6bb5\u6a39\uff0c\u7562\u7adf\u8981\u7dad\u8b77\u4e00\u5806\u5340\u9593\uff0c\u7136\u5f8c\u9084\u8981\u67e5\u8a62\u3002
\n\u4f46\u662f\u958b\u59cb\u5beb\u4ee5\u5f8c\u6703\u5bdf\u89ba\u5230:\u9019\u662f\u55ae\u9ede\u67e5\u8a62\uff0c\u4e14\u6211(\u5011)\u60f3\u4e0d\u5230\u8a72\u7dad\u8b77\u4ec0\u9ebc\u72c0\u614b\u624d\u80fd\u5920\u628a\u5169\u500b\u4e0d\u540c\u5340\u9593\u7684\u503c\u5408\u4f75\u5230\u66f4\u5927\u7684\u5340\u9593\u4e2d\u3002\u6211\u5011\u672c\u8cea\u4e0a\u4f86\u8aaa\u53ea\u662f\u60f3\u8981\u7dad\u8b77\u6709\u54ea\u4e9b\u5340\u9593\u88ab\u4fee\u6539\u800c\u5df2\uff0c\u56e0\u6b64\u6211\u5011\u60f3\u5230\u7528\u61f6\u6a19\u8a18(\u5340\u9593\u4fee\u6539\u7dda\u6bb5\u6a39)\uff0c\u300c\u4e26\u4e14\u67e5\u8a62\u6642\u53ea\u67e5\u8a62\u9577\u5ea6\u70ba\u4e00\u7684\u5340\u9593<\/strong>\u300d\uff0c\u4e5f\u5c31\u662f\u8aaa\uff0c\u53ea\u6709\u9577\u5ea6\u70ba\u4e00\u7684\u5340\u9593\u6240\u7dad\u8b77\u7684\u503c\u662f\u6709\u610f\u7fa9\u7684\uff0c\u5176\u4ed6\u9577\u5ea6\u66f4\u9577\u7684\u5340\u9593\u53ea\u6709\u7dad\u8b77\u7684\u61f6\u6a19\u8a18\u662f\u6709\u610f\u7fa9\u7684\u3002
\n\u56e0\u6b64\uff0c\u6211\u5011\u5728\u7dda\u6bb5\u6a39\u7684\u61f6\u6a19\u8a18\u7dad\u8b77\u4e09\u500b\u6578\u5b57:${x,y,k}$\uff0c\u4e5f\u5c31\u662f\u984c\u76ee\u7d66\u7684\u4e09\u500b\u6578\u5b57\uff0c\u800c\u9577\u5ea6\u70ba\u4e00\u7684\u5340\u9593\u7684\u503c\u5c31\u662f\u6700\u5f8c\u4e00\u6b21\u8907\u88fd\u4e0a\u53bb\u7684${x,y,k}$\u3002<\/p>\n

\u7a0b\u5f0f\u78bc:<\/h3>\n
const int _n=1e5+10;  \nint tt,n,m,a[_n],b[_n],x,y,k;  \nstruct M{int x,y,k;};  \nM res;  \nnamespace Seg{  \n  int nn;  \n  M t[_n<<2],laz[_n<<2];  \n  void pull(int v){}  \n  void apply(int v, M val){t[v]=val,laz[v]=val;}  \n  void push(int v){  \n    if(laz[v].k!=0)apply(2*v+1,laz[v]),apply(2*v+2,laz[v]),laz[v]={0,0,0};  \n  }  \n  void build(int v, int l, int r){  \n    if(l+1==r)t[v]={0,0,0};  \n    else{int m=(l+r)>>1;build(2*v+1,l,m),build(2*v+2,m,r);pull(v);}  \n  }  \n  void add(int v,int l,int r,int ql,int qr,M val){  \n    if(r<=ql or qr<=l)return;  \n    else if(ql<=l and r<=qr)apply(v,val);  \n    else{  \n      push(v);int m=(l+r)>>1;  \n      add(2*v+1,l,m,ql,qr,val),add(2*v+2,m,r,ql,qr,val);  \n      pull(v);  \n    }  \n  }  \n  void add(int l,int r,M val){add(0,0,nn,l,r,val);}  \n  void add(int pos,M val){add(0,0,nn,pos,pos+1,val);}  \n  void init(int n_){nn=n_;build(0,0,nn);}  \n  void chk(int v,int l,int r,int pos){  \n    int m=(l+r)>>1;if(l+1==r){res=t[v];return;}  \n    push(v);  \n    if(pos<m)chk(2*v+1,l,m,pos);  \n    else chk(2*v+2,m,r,pos);  \n  }  \n}  \n\/\/\u4e0a\u9762\u662f\u6a21\u677f\u4fee\u6539\u4f86\u7684\uff0c\u6240\u4ee5\u51fd\u5f0f\u540d\u53eb\u505aadd  \nmain(void) {ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0);  \n  cin>>n>>m;rep(i,0,n)cin>>a[i];rep(i,0,n)cin>>b[i];  \n  Seg::init(n);  \n  while(m--){  \n    cin>>tt;  \n    if(tt==1){  \n      cin>>x>>y>>k;x--,y--;  \n      Seg::add(y,y+k,{x,y,k});  \n    }  \n    if(tt==2){  \n      cin>>x;x--;  \n      Seg::chk(0,0,n,x);  \n      if(res.k!=0)cout<<a[res.x+(x-res.y)]<<'\\n';  \n      else cout<<b[x]<<'\\n';  \n    }  \n  }  \n  return 0;  \n};  \n<\/code><\/pre>\n
\u6a19\u982d\u3001\u6a21\u677f\u8acb\u9edeSubmission\u770b
\nSubmission<\/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":[10,9,20],"class_list":["post-62","post","type-post","status-publish","format-standard","hentry","category-ojcode","tag-codeforce","tag-ojcode","tag-20"],"jetpack_publicize_connections":[],"yoast_head":"\nE. 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