C++归并排序算法的代码

标签：merge   mergesort   typedef   namespace   put   stream   cout   vector   ges   

#include<cstdlib>
#include<limits>
#include<iostream>
#include<vector>
#include<iomanip>

using namespace std;
typedef vector<int>::iterator ivecIte;
void merge(vector<int> &ivec, 
                   ivecIte iteB, ivecIte iteMark, ivecIte iteE)
{
    vector<int> v1(iteB, iteMark),
                      v2(iteMark, iteE);
    v1.push_back(numeric_limits<int>::max());
    v2.push_back(numeric_limits<int>::max());
    ivecIte ite1 = v1.begin(), ite2 = v2.begin();
    for(ivecIte iteTurn = iteB; iteE != iteTurn; ++iteTurn){
    }
}
void mergeSort(vector<int> &ivec,
                        ivecIte iteB, ivecIte iteE)
{
    size_t div = iteE - iteB;
    if(1 < div) {
        div /= 2;
        mergeSort(ivec, iteB, iteB + div);
        mergeSort(ivec, iteB + div, iteE);
        merge(ivec, iteB, iteB + div, iteE);
    }
}

int main()
{
    vector<int> ivec;
    cout<<"input some integers with end-of-file!"<<endl;
    int inData;
    while(cin>>inData) ivec.push_back(inData);
    ivecIte iteS = ivec.begin(), iteE = ivec.end();
    mergeSort(ivec, iteS, iteE);
    for(iteS = ivec.begin(); iteS != ivec.end(); ++iteS)
    cout<<endl;
    system("PAUSE");
    return EXIT_SUCCESS;
}

C++归并排序算法的代码

标签：merge   mergesort   typedef   namespace   put   stream   cout   vector   ges   

原文地址：https://blog.51cto.com/14387143/2428363