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sort函数的例子

10.11编写程序,使用stable_sort和isShorter将传递给你的elimDups版本的vector排序。打印vector的内容。

#include<algorithm>#include<vector>#include<iostream>#include<string>using namespace std;void elimDup(vector<string> &words){
  //按字典序排列 sort(words.begin(),words.end());
  //消除重复的字符串 auto end_unique
=unique(words.begin(),words.end());
  //删除多余的字符串 words.erase(end_unique,words.end());}
bool isShorter(const string &s1,const string &s2){ return s1.size()<s2.size();}int main(){ vector<string> v2={"a","a","dfd","fd","a","df"}; elimDup(v2); for(auto vv:v2) cout<<vv<<" "; cout<<endl;
  //按长度排序之后,保持字典序 stable_sort(v2.begin(),v2.end(),isShorter);
for(auto vv:v2) cout<<vv<<" "; cout<<endl; return 0;}

运行结果如下:

a df dfd fd a df fd dfd