#include <algorithm>
#include <iostream>
 
int main()
{
    std::vector<double> v {1.0, 2.0, 3.0, 4.0, 5.0, 1.0, 2.0, 3.0, 4.0, 5.0};
 
    std::vector<double>::iterator biggest = std::max_element(std::begin(v), std::end(v));
    //or std::vector<double>::iterator biggest = std::max_element(v.begin(), v.end);
 
    
    std::cout << "Max element is " << *biggest<< " at position " <<std::distance(std::begin(v), biggest) << std::endl;
    //另一方面,取最大位置也可以这样来写:
    //int nPos = (int)(std::max_element(v.begin(), v.end()) - (v.begin());
    //效果和采用distance(...)函数效果一致
    //说明:max_element(v.begin(), v.end()) 返回的是vector<double>::iterator,
    //相当于指针的位置,减去初始指针的位置结果即为最大值得索引。
 
    auto smallest = std::min_element(std::begin(v), std::end(v));
    std::cout << "min element is " << *smallest<< " at position " <<std::distance(std::begin(v), smallest) << std::endl;
}
 
 
输出:
 
Max element is 5 at position 4
min element is 1 at position 0
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版权声明:本文为CSDN博主「leonardohaig」的原创文章,遵循CC 4.0 BY-SA版权协议,转载请附上原文出处链接及本声明。
原文链接:https://blog.csdn.net/leonardohaig/article/details/81484372

posted on 2021-09-20 23:16  FrostyForest  阅读(867)  评论(0编辑  收藏  举报