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zhang zhihao
2022-11-13 11:00:17 +00:00
parent 4899edff93
commit 9747f39c56

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@@ -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()
// {
// }