一种数据结构 跳表skiplist

       跳表是平衡树的一种替代的数据结构，但是和红黑树不相同的是，跳表对于树的平衡的实现是基于一种随机化的算法的，这样也就是说跳表的插入和删除的工作是比较简单的。 

下载地址 : http://download.csdn.net/detail/hemmingway/4625042 

测试程序

// test.cpp//#include <iostream>#include <iomanip>#include <cstdlib>#include <time.h>#include "skiplist.h"#include "TimeCounter.h"#define TIME_START CTimeCounter* pT = new CTimeCounter()#define TIME_END   ShowTime(pT->GetExecutionTime())//////////////////////////////////////////////////////////////////////////// Show execution time (ms)void ShowTime(__int64 nTime){std::cout << "========================================" << std::endl;std::cout << "                    Total time: ";std::cout << std::fixed << std::setprecision(1) << std::setw(6);std::cout << nTime;std::cout << " ms" << std::endl << std::endl;//printf("Usage time: %I64d millisecond\n\n", nTime); //在g++中对应的是<stdint.h> int64_t, 应该用%lld输出}int main(){int count = 10, i;SkipList sl;srand((unsigned)time(NULL));std::cout<<"### Function Test ###\n\n";std::cout<<"\n=== Init Skip List ===\n\n";sl.Init();for ( i = 0; i < count; i++) {sl.Insert(i);}std::cout<<"\n=== Print Skip List ===\n\n";sl.Print();printf("\n=== Search Skip List ===\n\n");TIME_START;for (i = 0; i < count; i++) {int value = rand()%(count+10);sl.Search(value);}TIME_END;std::cout<<"\n=== Delete Skip List ===\n\n";char buf[256], *p = buf;for (i = 0; i < count+10; i+=2) {sprintf_s(buf, "Delete[%d]:%s\n", i, sl.Delete(i) ? "SUCCESS":"NOT FOUND");std::cout<<buf;}std::cout<<"\n\n";sl.Print();sl.Free();//或者Ctrl+F5调试getchar();}