Submission #3819256

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Source Code Expand

#include <iostream>

using namespace std;

int main(){
  int n;
  cin>>n;
  int a[11000];
  int num=0;
  int ans=1;
  for(int i=0;i<n;i++){
    cin>>a[i];
  }
  if(n>=3){
    for(int i=1;i<n-1;i++){
      if((a[i]-a[i-1])*(a[i+1]-a[i])<0){
        num++;
        i++;
      }
    }
    ans=num+1;
  }
  
  cout<<ans<<endl;
}

Submission Info

Judge Result