is_sorted()

http://www.cplusplus.com/reference/algorithm/is_sorted/

algorithm 헤더 파일에 있다.

is_sorted() 함수는 정렬 되어있으면, true 반환.

정렬 되어 있지 않다면, false 반환.

#include <iostream>
#include <deque>
#include <list>
#include <queue>
#include <stack>
#include <cstdio>
#include <vector>
#include <cstring>
#include <string>
#include <math.h>
#include <algorithm>
#include <map>
#include <set>
#include <functional>
#include <unordered_map>  
#include <unordered_set>  
#include <tuple>
#include <sstream>
 
#pragma warning(disable:4996)  
#pragma comment(linker, "/STACK:336777216")
 
using namespace std;
 
int main(void)
{
    vector<int> v = { 1, 9, 3, 7, 5 };
 
    cout << "is_sorted() : " << is_sorted(v.begin(), v.end()) << endl;
 
    sort(v.begin(), v.end());
 
    cout << "is_sorted() : " << is_sorted(v.begin(), v.end()) << endl;
    
    return 0;
}