本文實(shí)例講述了C++實(shí)現(xiàn)從數(shù)組中同時(shí)取出最大最小元素的方法。分享給大家供大家參考,具體如下:
算法思想:先相鄰兩個(gè)兩個(gè)比較,較大的放入數(shù)組max[],較小的放入數(shù)組min[],然后從max[]數(shù)組求出最大,min[]數(shù)組求出最小即可。
比較n+[(n+1)/2] =1.5n次
#include <iostream>#define n 11#define m ((n+1)/2)using namespace std;void main(void){  int num[] = {11,2,3,4,6,5,7,8,9,10,20};  //int n = sizeof(num)/sizeof(num[0]);  //int m = (n+1)/2;  int max[m] , min[m];  int k = 0, j = 0;  if(n/2 != 0) max[m-1] = min[m-1] = num[n-1];  for (int i=0; i < n-1; i = i+2)  {    if (num[i] >= num[i+1])    {      max[j++] = num[i];      min[k++] = num[i+1];    }    else    {      max[j++] = num[i+1];      min[k++] = num[i];    }  }  for( i=0; i< m; i++)  {    cout << "max[" << i << "] = " << max[i] << "/t";    cout << "min[" << i << "] = " << min[i] <<endl;  }  int MAX = max[0];  int MIN = min[0];  for ( j = 1; j < m; j++)  {    if (max[j] > MAX) MAX = max[j];    if (min[j] < MIN) MIN = min[j];  }  cout << "MAX = " << MAX << ", MIN = " << MIN <<endl;}希望本文所述對(duì)大家C++程序設(shè)計(jì)有所幫助。
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