highlighter- cpp #include<iostream>#include<cstdio>usingnamespacestd;constintN =1e6+10;intp[N],temp[N];//需要一个temp数组暂时存放数voidmerge_sort(intq[],intl,intr){if(l >= r)return;intmid = (l + r) >>1;merge_sort(q, l, mid);merge_sort(q, mid +1, r);//递归处理左右两边...
Takes about 270 ms to sort 1E6 integers. We can now templatize the algorithm, but, as I said, using pointers turned out to be faster than using iterators: template<class RaIt> void merge(RaIt beg, RaIt med, RaIt end) { using value_type = typename std::iterator_traits<RaIt>::val...
mergesort ///main.cpp//mergesort///Created by lingnan on 10/21/15.//Copyright (c) 2015 lingnan. All rights reserved.//#include<iostream>usingnamespacestd;voidmerge(intarr[],intleft,intmid,intright){intn1 = mid - left +1;intn2 = right -mid;inta1[n1], a2[n2];for(inti=0; i<...
} void merge_sort(int A[],int p,int r) { int q; if(p<r) { /*q=(int)((p+r)/2); 下取整可用floor(),上取整可用ceil(),包含在math.h中*/ q=floor((float)(p+r)/2.0); merge_sort(A,p,q); merge_sort(A,q+1,r); merge(A,p,q,r); } } /* void main() { int a[1...
usingnamespacestd; voidMergeSort(double*Array,intleft,intright) { if(left>=right)//只有一个元素,不用排序 { return; } intmiddle=(left+right)/2; MergeSort(Array,left,middle); MergeSort(Array,middle+1,right); //归并 intleft_pointer=left; ...
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void merge_sort(int l, int r) { if (l < r) { int mid = (l + r) >> 1; merge_sort(l, mid); merge_sort(mid + 1, r); merge(l, mid - l + 1, mid + 1, r - mid); } } int main() { scanf("%d", &n); for (int i = 0; i < n; i++) { scanf("%d", ...
It’s simple when you have a plain old type, and are using theback_inserterto append the contents of each vector to the end of the merged vector, but what if you want to use your custom class? And what if you need a custom means to sort the merged vector?
根据下面将两个有序表合并为一个有序表的算法思想,在sort2.cpp文件中实现函数void TwoMerge(int A[],int s,int m,int e),将有序表A[s]~A[m]和A[m+1]~A[e]合并为一个有序表A[s] ~A[e]。并在主函数中对数组B_1[]={36,49,52,75, 80,14,23,58,61,97}调用函数TwoMerge(B_1,0,4,...
mergesort 的代码 以下是mergesort 的代码,最坏情况下比插入排序要好 ,适合大规模排序: // mergesort.cpp : 定义控制台应用程序的入口点。// #include "stdafx.h"#include <iostream>using namespace std;voidmerge(int *,int,int,int);voidmerge ...