BZOJ 3932 CQOI2015 任务查询系统 可持久化线段树

标签：bzoj   bzoj3932   可持久化数据结构   线段树   可持久化线段树   

题目大意见http://pan.baidu.com/s/1o6zajc2

主席树裸上就好了。。。

#include <cstdio>
#include <cstring>
#include <iostream>
#include <algorithm>
#define M 100100
using namespace std;

struct Segtree{
	Segtree *ls,*rs;
	int size;
	long long sum;
	void* operator new (size_t,Segtree *_,Segtree *__,int ___,long long ____)
	{
		#define L (1<<15)
		static Segtree *mempool,*C;
		if(C==mempool)
			mempool=(C=new Segtree[L])+L;
		C->ls=_;
		C->rs=__;
		C->size=___;
		C->sum=____;
		return C++;
	}
	friend Segtree* Build_Tree(Segtree *p,int x,int y,int pos,int d_size,long long d_sum)
	{
		int mid=x+y>>1;
		if(x==y)
			return new (0x0,0x0,p->size+d_size,p->sum+d_sum)Segtree;
		if(pos<=mid)
			return new (Build_Tree(p->ls,x,mid,pos,d_size,d_sum),p->rs,p->size+d_size,p->sum+d_sum)Segtree;
		else
			return new (p->ls,Build_Tree(p->rs,mid+1,y,pos,d_size,d_sum),p->size+d_size,p->sum+d_sum)Segtree;
	}
	friend long long Query(Segtree *p,int x,int y,int k)
	{
		int mid=x+y>>1;
		if(x==y)
			return (long long)mid*min(k,p->size);
		if(k<=p->ls->size)
			return Query(p->ls,x,mid,k);
		else
			return Query(p->rs,mid+1,y,k-p->ls->size) + p->ls->sum ;
	}
}*tree[M];

struct abcd{
	bool flag;
	int tim,val;
	bool operator < (const abcd &a) const
	{
		return tim < a.tim ;
	}
}a[M<<1];

int n,m;
long long last_ans=1;

int main()
{
	int i,j,x,y,z,A,B,C;
	cin>>m>>n;
	for(i=1;i<=m;i++)
	{
		scanf("%d%d%d",&x,&y,&z);
		a[i+i-1].flag=true;
		a[i+i-1].tim=x;
		a[i+i-1].val=z;
		a[i<<1].flag=false;
		a[i<<1].tim=y+1;
		a[i<<1].val=z;
	}
	sort(a+1,a+m+m+1);
	tree[0]=new (0x0,0x0,0,0ll)Segtree;
	tree[0]->ls=tree[0]->rs=tree[0];
	for(j=1,i=1;i<=n;i++)
	{
		tree[i]=tree[i-1];
		for(;j<=m<<1&&a[j].tim==i;j++)
			tree[i]=Build_Tree(tree[i],1,10000000,a[j].val,a[j].flag?1:-1,a[j].val*(a[j].flag?1:-1));
	}
	for(i=1;i<=n;i++)
	{
		scanf("%d%d%d%d",&x,&A,&B,&C);
		int k=(A*last_ans+B)%C+1;
		printf("%lld\n",last_ans=Query(tree[x],1,10000000,k));
	}
	return 0;
}

BZOJ 3932 CQOI2015 任务查询系统 可持久化线段树

标签：bzoj   bzoj3932   可持久化数据结构   线段树   可持久化线段树   

原文地址：http://blog.csdn.net/popoqqq/article/details/44920121