sort를 이용한 랜덤 백터값 정렬.

#include <iostream>
#include <vector>

#include <algorithm>  //올림차순쓸때
#include <functional> //내림차순쓸때

#include <stdlib.h>   //난수값쓸때
#include <time.h>	  //난수값쓸때
#include <string>

using std::sort;

int main()
{


  int num = 0;
  srand((unsigned)time(NULL));
  std::vector< int > v;
 
  std::cout<<"생성할 랜덤 백터 값의 갯수 : ";
  std::cin>>num;

  for(int i = 0; i<num; i++) {
	  v.push_back((rand()%(1000 - 1)));
  }
  std::cout<<std::endl;
  

  std::cout<<"오름차순 정렬 전 랜덤 백터 값"<<std::endl;
  for(std::vector<int>::iterator iter = v.begin(); iter !=v.end(); iter++) {
	  std::cout<<*iter<<" ";
  }
  std::cout<<std::endl;

  sort(v.begin(),v.end());
  std::cout<<"오름차순 정렬 후 랜덤 백터 값"<<std::endl;

  for(std::vector<int>::iterator iter = v.begin(); iter != v.end(); iter++) {
     std::cout<<*iter<<" ";
  }
  std::cout<<std::endl;

  sort(v.begin(),v.end(), std::greater<int>());   
  std::cout<<"내림차순 정렬 후 랜덤 백터 값"<<std::endl;
  for(std::vector<int>::iterator iter = v.begin(); iter != v.end(); iter++) {
     std::cout<<*iter<<" ";
  }
  std::cout<<std::endl<<std::endl;
  
return 0;

} 

 

/*실행 값 결과*/