Upload New File
This commit is contained in:
98
HeavyKeeper/heavykeeper.cpp
Normal file
98
HeavyKeeper/heavykeeper.cpp
Normal file
@@ -0,0 +1,98 @@
|
||||
#include <cmath>
|
||||
#include <cstdio>
|
||||
#include <cstdlib>
|
||||
#include <iostream>
|
||||
#include <algorithm>
|
||||
#include <string>
|
||||
#include <cstring>
|
||||
#include "../init/BOBHash32.h"
|
||||
#include "../init/BOBHash64.h"
|
||||
#include "../init/params.h"
|
||||
#include "../init/ssummary.h"
|
||||
#include "../include/heavykeeper.h"
|
||||
using namespace std;
|
||||
heavykeeper::heavykeeper(int M2,int K):M2(M2),K(K) {ss=new ssummary(K); ss->clear(); bobhash=new BOBHash64(1005);}
|
||||
void heavykeeper::clear()
|
||||
{
|
||||
for (int i=0; i<HK_d; i++)
|
||||
for (int j=0; j<=M2+5; j++) HK[i][j].C=HK[i][j].FP=0;
|
||||
}
|
||||
unsigned long long heavykeeper::Hash(string ST)
|
||||
{
|
||||
return (bobhash->run(ST.c_str(),ST.size()));
|
||||
}
|
||||
void heavykeeper::Insert(string x)
|
||||
{
|
||||
bool mon=false;
|
||||
int p=ss->find(x);
|
||||
if (p) mon=true;
|
||||
int maxv=0;
|
||||
unsigned long long H=Hash(x); int FP=(H>>48);
|
||||
for (int j=0; j<HK_d; j++)
|
||||
{
|
||||
int Hsh=H%(M2-(2*HK_d)+2*j+3);
|
||||
int c=HK[j][Hsh].C;
|
||||
if (HK[j][Hsh].FP==FP)
|
||||
{
|
||||
if (mon || c<=ss->getmin())
|
||||
HK[j][Hsh].C++;
|
||||
maxv=max(maxv,HK[j][Hsh].C);
|
||||
} else
|
||||
{
|
||||
if (!(rand()%int(pow(HK_b,HK[j][Hsh].C))))
|
||||
{
|
||||
HK[j][Hsh].C--;
|
||||
if (HK[j][Hsh].C<=0)
|
||||
{
|
||||
HK[j][Hsh].FP=FP;
|
||||
HK[j][Hsh].C=1;
|
||||
maxv=max(maxv,1);
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
if (!mon)
|
||||
{
|
||||
if (maxv-(ss->getmin())==1 || ss->tot<K)
|
||||
{
|
||||
int i=ss->getid();
|
||||
ss->add2(ss->location(x),i);
|
||||
ss->str[i]=x;
|
||||
ss->sum[i]=maxv;
|
||||
ss->link(i,0);
|
||||
while(ss->tot>K)
|
||||
{
|
||||
int t=ss->Right[0];
|
||||
int tmp=ss->head[t];
|
||||
ss->cut(ss->head[t]);
|
||||
ss->recycling(tmp);
|
||||
}
|
||||
}
|
||||
} else
|
||||
if (maxv>ss->sum[p])
|
||||
{
|
||||
int tmp=ss->Left[ss->sum[p]];
|
||||
ss->cut(p);
|
||||
if(ss->head[ss->sum[p]]) tmp=ss->sum[p];
|
||||
ss->sum[p]=maxv;
|
||||
ss->link(p,tmp);
|
||||
}
|
||||
}
|
||||
|
||||
void heavykeeper::work()
|
||||
{
|
||||
int CNT=0;
|
||||
for(int i=N;i;i=ss->Left[i])
|
||||
for(int j=ss->head[i];j;j=ss->Next[j]) {q[CNT].x=ss->str[j]; q[CNT].y=ss->sum[j]; CNT++; }
|
||||
sort(q,q+CNT,cmp);
|
||||
}
|
||||
pair<string ,int> heavykeeper::Query(int k)
|
||||
{
|
||||
return make_pair(q[k].x,q[k].y);
|
||||
}
|
||||
|
||||
|
||||
// heavykeeper::~heavykeeper()
|
||||
// {
|
||||
|
||||
// }
|
||||
Reference in New Issue
Block a user