在STL中实现LexicoGraphical_Compare的C ++程序
C++函数std::algorithm::lexicographical_compare()测试一个范围是否在字典上小于另一个范围。字典比较是一种比较，通常用于在字典中按字母顺序对单词进行排序。
声明
模板<classInputIterator1，classInputIterator2>
boollexicographical_compare（InputIterator1first1，InputIterator1last1，InputIterator2first2，InputIterator2last2）;
算法
Begin
result = lexicographical_compare(v1.begin(), v1.end(), v2.begin(), v2.end())
if (result == true)
Print v1 is less than v2
result = lexicographical_compare(v1.begin(), v1.end(), v2.begin(), v2.end())
if (result == false)
Print v1 is not less than v2
End示例
#include <iostream>
#include <vector>
#include <algorithm>
#include <string>
using namespace std;
int main(void) {
//v1和v2的初始化
vector<string> v1 = {"One", "Two", "Three"};
vector<string> v2 = {"one", "two", "three"};
bool result;
result = lexicographical_compare(v1.begin(), v1.end(), v2.begin(), v2.end());
if (result == true)
cout << "v1 is less than v2." << endl;
v1[0] = "two";
result = lexicographical_compare(v1.begin(), v1.end(), v2.begin(), v2.end());
if (result == false)
cout << "v1 is not less than v2." << endl;
return 0;
}输出结果
v1 is less than v2. v1 is not less than v2.
热门推荐
10 毕业教师花语祝福语简短
11 新房上梁简短祝福语大全
12 新年祝福语简短又好听
13 节日祝福语大全简短创意
14 过年红包祝福语简短霸气
15 事业祝福语简短网名
16 精简祝福语简短小故事
17 朋友祝福语卡片简短大气
18 对老人新年祝福语简短