Bzoj 1251: Sequence Terminator (splay template title)

Face (too naked, not looking)

is to maintain an interval plus, interval rollover, and interval maximum.

Post a style can always use

1#include <iostream>2#include <cstdio>3#include <cstring>4#include <algorithm>5 #defineN 1000006 #defineXX GetChar ()7 using namespacestd;8 intch[n][2],fa[n],rev[n],ad[n],b[n],mx[n],n,m,rt,sz[n],tot,a[n];9InlineintRead ()Ten{intflag=1;CharC=xx; for(;c<'0'|| C>'9'; c=xx) {if(c=='-') flag=-1;} One     intx=0; for(; c>='0'&&c<='9'; x=x*Ten+c- -, c=xx);returnx*Flag; A } -InlinevoidMark_rev (intx) {if(!x)return; Swap (ch[x][0],ch[x][1]), rev[x]^=1;} -InlinevoidMark_add (intXintV) {if(!x)return; b[x]+=v,mx[x]+=v;ad[x]+=v;} theInlinevoidPush_down (intx) -{if(Rev[x]) {Mark_rev (ch[x][0]), Mark_rev (ch[x][1]), rev[x]^=1;} -     if(Ad[x]) {Mark_add (ch[x][0],ad[x]), Mark_add (ch[x][1],ad[x]), ad[x]=0;} - } +InlinevoidPUSH_UP (intx) -{mx[x]=b[x],sz[x]=1;if(ch[x][0]) Mx[x]=max (mx[x],mx[ch[x][0]]), sz[x]+=sz[ch[x][0]]; +     if(ch[x][1]) Mx[x]=max (mx[x],mx[ch[x][1]]), sz[x]+=sz[ch[x][1]]; A } at voidRotintx) -{inty=fa[x],d=ch[y][1]==x; -fa[ch[x][d^1]]=y,ch[y][d]=ch[x][d^1]; -     if(Fa[y]) ch[fa[y]][ch[fa[y]][1]==y]=x; -fa[x]=fa[y];fa[y]=x;ch[x][d^1]=y; Push_up (y); - } in voidSplay (intXintgoal) -{ints=1, i=x;a[1]=x; to      while(Fa[i]) a[++s]= (I=fa[i]); while(s) push_down (a[s--]); +      while(Fa[x]!=goal) {intY=FA[X];if(Fa[y]==goal) {rot (x);Continue;} -     if((ch[y][0]==x) ^ (ch[fa[y]][0]==y)) rot (y);Elserot (x); rot (x);} thePUSH_UP (x);if(goal==0) rt=x; * } $ intBuilding (intLintRintf)Panax Notoginseng{intX=++tot,mid = (l+r) >>1; -fa[x]=f;b[x]=0;if(L<mid) ch[x][0]=building (l,mid-1, x);  the     if(R>mid) ch[x][1]=building (mid+1, r,x); PUSH_UP (x);returnx; + } A intFind_kth (intk) the{intx=rt,tmp; +      while(1)  -{Push_down (x); tmp=sz[ch[x][0]]+1;if(k==tmp)returnx; $         if(k<tmp) x=ch[x][0];ElseK-=tmp, x=ch[x][1]; $     } - } - voidADD (intLintRintv) the{splay (find_kth (L),0); Splay (Find_kth (r+2), RT); -     intx=ch[ch[rt][1]][0]; Mark_add (x,v);Wuyi } the voidReverse (intLintR) -{splay (find_kth (L),0); Splay (Find_kth (r+2), RT); Wu     intx=ch[ch[rt][1]][0]; Mark_rev (x); - } About intQuery_max (intLintR) ${splay (find_kth (L),0); Splay (Find_kth (r+2), RT); -     returnmx[ch[ch[rt][1]][0]]; - } - intMain () A{N=read (), M=read ();intk,l,r,v,i; +Rt=building (0, n+1, rt=0); the      for(i=1; i<=m;i++)  -{k=read (); $         if(k==1) {L=read (), R=read (), v=read (), ADD (l,r,v);} the         if(k==2) {L=read (), r=read (), Reverse (l,r);} the         if(k==3) {L=read (), R=read (), printf ("%d\n", Query_max (L,r));} the     } the     return 0; -}

Templates

is a little big constant unhappy.

Bzoj 1251: Sequence Terminator (splay template title)