Submission #1868168
Source Code Expand
#include<bits/stdc++.h>
using namespace std;
inline int read()
{
int x=0;char ch=getchar();
while(ch<'0' || '9'<ch)ch=getchar();
while('0'<=ch && ch<='9')x=x*10+(ch^48),ch=getchar();
return x;
}
const int N=1e5+9;
int n,ans;
int a[N];
int main()
{
if(fopen("vj.in","r"))
{
freopen("vj.in","r",stdin);
freopen("vj.out","w",stdout);
}
n=read();
for(int i=1;i<=n;i++)
a[i]=read();
for(int i=1,j,k;i<=n;i=j+1)
{
k=i;
while(a[k]<=a[k+1])k++;
j=k;
k=i;
while(a[k]>=a[k+1])k++;
j=max(j,k);
ans++;
}
printf("%d\n",ans);
return 0;
}
Submission Info
Submission Time |
|
Task |
A - Sorted Arrays |
User |
Aldrich |
Language |
C++14 (GCC 5.4.1) |
Score |
300 |
Code Size |
669 Byte |
Status |
AC |
Exec Time |
9 ms |
Memory |
640 KB |
Compile Error
./Main.cpp: In function ‘int main()’:
./Main.cpp:22:35: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result]
freopen("vj.in","r",stdin);
^
./Main.cpp:23:37: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result]
freopen("vj.out","w",stdout);
^
Judge Result
Set Name |
Sample |
All |
Score / Max Score |
0 / 0 |
300 / 300 |
Status |
|
|
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 |
6 ms |
512 KB |
subtask_1_02.txt |
AC |
5 ms |
384 KB |
subtask_1_03.txt |
AC |
4 ms |
384 KB |
subtask_1_04.txt |
AC |
9 ms |
640 KB |
subtask_1_05.txt |
AC |
9 ms |
640 KB |
subtask_1_06.txt |
AC |
9 ms |
640 KB |
subtask_1_07.txt |
AC |
9 ms |
640 KB |
subtask_1_08.txt |
AC |
9 ms |
640 KB |
subtask_1_09.txt |
AC |
9 ms |
640 KB |
subtask_1_10.txt |
AC |
1 ms |
256 KB |
subtask_1_11.txt |
AC |
1 ms |
256 KB |