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| author | zhang zhihao <[email protected]> | 2022-11-13 11:00:25 +0000 |
|---|---|---|
| committer | zhang zhihao <[email protected]> | 2022-11-13 11:00:25 +0000 |
| commit | 48e5db5deb162884e803a97a95cda261e937e79a (patch) | |
| tree | 44132b63b3fa37f034d8ea8360366036c8e2841d | |
| parent | 9747f39c56da8e8b5d887fc35bcf28cd4d9e78cb (diff) | |
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| -rw-r--r-- | HeavyKeeper/LossyCounting.cpp | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/HeavyKeeper/LossyCounting.cpp b/HeavyKeeper/LossyCounting.cpp new file mode 100644 index 0000000..24143f3 --- /dev/null +++ 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() + //{ + + // }
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