Submission

Score: 60

User: Nuttykub

Problemset: นก

Language: cpp

Time: 0.004 second

Submitted On: 2026-10-04 14:15:27

#include <bits/stdc++.h>
using namespace std;
#define ll long long

int main(){
    int n;
    cin >>n;
    vector<int> vec(n);
    int ct = 0;
    for (int i = 0;i < n-1;i++) cin >> vec[i];
    for (int i = 0;i < n;i++){
        if (i == 0 and vec[i+1] < vec[i]) {
            ct++;
            continue;
        }
        if (vec[i-1] < vec[i] and vec[i+1] < vec[i]) ct++;
    }
    cout << ct ;
    return 0;
}