Submission #1691007


Source Code Expand

#include<iostream>
using namespace std;
int a[100005]={0};
int n;
int main(){
    cin>>n;
    for(int i=0;i<n;++i)  cin>>a[i];
    int ans=1;
    bool x1= false, x2 = false;
    for(int i=1;i<n;i++){
        if(x1==false&&x2==false)
		{
            if(a[i]<a[i-1])       x2=true;
            else if(a[i]>a[i-1])  x1=true;
        }
		else if(x1==true)
		{
            if(a[i]<a[i-1])
			{
                ans++;
                x1=false;
            }
        }
		else if(x2==true)
		{
            if(a[i]>a[i-1])
			{
                ans++;
                x2=false;
            }
        }
    }
    cout<<ans<<endl;
    return 0;
}

Submission Info

Submission Time
Task A - Sorted Arrays
User justin_cao
Language C++14 (GCC 5.4.1)
Score 300
Code Size 669 Byte
Status AC
Exec Time 58 ms
Memory 640 KB

Judge Result

Set Name Sample All
Score / Max Score 0 / 0 300 / 300
Status
AC × 3
AC × 17
Set Name Test Cases
Sample sample_01.txt, sample_02.txt, sample_03.txt
All sample_01.txt, sample_02.txt, sample_03.txt, sample_01.txt, sample_02.txt, sample_03.txt, subtask_1_01.txt, subtask_1_02.txt, subtask_1_03.txt, subtask_1_04.txt, subtask_1_05.txt, subtask_1_06.txt, subtask_1_07.txt, subtask_1_08.txt, subtask_1_09.txt, subtask_1_10.txt, subtask_1_11.txt
Case Name Status Exec Time Memory
sample_01.txt AC 1 ms 256 KB
sample_02.txt AC 1 ms 256 KB
sample_03.txt AC 1 ms 256 KB
subtask_1_01.txt AC 33 ms 512 KB
subtask_1_02.txt AC 27 ms 384 KB
subtask_1_03.txt AC 17 ms 384 KB
subtask_1_04.txt AC 54 ms 640 KB
subtask_1_05.txt AC 56 ms 640 KB
subtask_1_06.txt AC 54 ms 640 KB
subtask_1_07.txt AC 57 ms 640 KB
subtask_1_08.txt AC 55 ms 640 KB
subtask_1_09.txt AC 58 ms 640 KB
subtask_1_10.txt AC 1 ms 256 KB
subtask_1_11.txt AC 1 ms 256 KB