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2022-11-13 11:00:25 +00:00
parent 9747f39c56
commit 48e5db5deb
1 changed files with 66 additions and 0 deletions
--- a/HeavyKeeper/LossyCounting.cpp
+++ b/HeavyKeeper/LossyCounting.cpp
@@ -0,0 +1,66 @@
+#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/LossyCounting.h"
+using namespace std;
+ LossyCounting::LossyCounting(int K):K(K) {ss=new ssummary(0); ss->clear();}
+
+
+ void LossyCounting::Insert(string x,int c)
+        {
+            bool mon=false;
+            int p=ss->find(x);
+            if (p) mon=true;
+            if (!mon)
+            {
+                int q=c+1;
+                int i=ss->getid();
+                ss->add2(ss->location(x),i);
+                ss->str[i]=x;
+                ss->sum[i]=q;
+                ss->link(i,0);
+            } else
+            {
+                int tmp=ss->Left[ss->sum[p]];
+                ss->cut(p);
+                if(ss->head[ss->sum[p]])tmp=ss->sum[p];
+                ss->sum[p]++;
+                ss->link(p,tmp);
+            }
+        }
+        void LossyCounting::clear(int c)
+        {
+            while (ss->getmin()<c)
+            {
+                int t=ss->Right[0];
+                int tmp=ss->head[t];
+                ss->cut(ss->head[t]);
+                ss->recycling(tmp);
+            }
+        }
+        
+        void LossyCounting::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> LossyCounting::Query(int k)
+        {
+            return make_pair(q[k].x,q[k].y);
+        }
+
+
+       // LossyCounting::~LossyCounting()
+        //{
+          
+       // }