fork download
copy 
  1. #include <bits/stdc++.h>
  2.  
  3. using namespace std;
  4.  
  5. int main() {
  6.     int n;
  7.     cin >> n;
  8.  
  9.     long long a[1000005];
  10.  
  11.     for (int i = 1; i <= n; i++)
  12.         cin >> a[i];
  13.  
  14.     int dem = 0;
  15.  
  16.     if (a[1] < a[2])
  17.         dem++;
  18.  
  19.     for (int i = 2; i <= n - 1; i++) {
  20.         if (a[i] < a[i - 1] && a[i] < a[i + 1])
  21.             dem++;
  22.     }
  23.  
  24.     if (a[n] < a[n - 1])
  25.         dem++;
  26.  
  27.     cout << dem;
  28.  
  29.     return 0;
  30. }
Success #stdin #stdout 0s 5324KB
comments (?)
stdin
copy 
Standard input is empty
stdout
copy 
Standard output is empty
https://ideone.com/DiTqOC
language:
C++ (gcc 8.3)
created:
7 days ago
visibility:
public

Share or Embed source code

Discover > Sphere Engine API

The brand new service which powers Ideone!

Discover > IDE Widget

Widget for compiling and running the source code in a web browser!