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HeavyKeeper/spacesaving.cpp

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+#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/spacesaving.h"
+using namespace std;
+ spacesaving::spacesaving(int M2,int K):M2(M2),K(K) {ss=new ssummary(M2); ss->clear();}
+        void spacesaving::Insert(string x)
+        {
+            bool mon=false;
+            int p=ss->find(x);
+            if (p) mon=true;
+            if (!mon)
+            {
+                int q;
+                if (ss->tot<M2) q=1; else
+                q=ss->getmin()+1;
+                int i=ss->getid();
+                ss->add2(ss->location(x),i);
+                ss->str[i]=x;
+                ss->sum[i]=q;
+                ss->link(i,0);
+                while(ss->tot>M2)
+                {
+                    int t=ss->Right[0];
+                    int tmp=ss->head[t];
+                    ss->cut(ss->head[t]);
+                    ss->recycling(tmp);
+                }
+            } 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 spacesaving::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> spacesaving::Query(int k)
+        {
+            return make_pair(q[k].x,q[k].y);
+        }
+       // spacesaving::~spacesaving()
+       // {
+
+       // }