Submission #1220975

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Source Code Expand

#include<bits/stdc++.h>
using namespace std;
#define int long long
signed main(){
  int n;
  cin>>n;
  int a[n];
  for(int i=0;i<n;i++) cin>>a[i];
  int ans=0;
  for(int i=0;i<n;i++){
    ans++;
    while(i+1<n&&a[i]==a[i+1]) i++;
    if(i==n-1) break;
    if(a[i]<a[i+1]){
      while(i+1<n&&a[i]<=a[i+1]) i++;
    }else{
      while(i+1<n&&a[i]>=a[i+1]) i++;
    }
  }
  cout<<ans<<endl;
  return 0;
}

Submission Info

Judge Result