BOJ 32752 - 수열이에요? [C++]

문제

링크

풀이

#include <algorithm>
#include <iostream>
#include <vector>
using namespace std;
 
bool solve(void) {
  int n, l, r; cin >> n >> l >> r;
  vector<int> a(n);
  for (int i=0; i<n; i++) cin >> a[i];
  sort(a.begin()+l-1, a.begin()+r);
 
  return is_sorted(a.begin(), a.end());
}
 
int main(void) {
  ios::sync_with_stdio(false);
  cin.tie(nullptr);
 
  cout << solve();
  return 0;
}