Submission #1355369
Source Code Expand
import java.io.BufferedReader; import java.io.IOException; import java.io.InputStream; import java.io.InputStreamReader; import java.util.List; import java.util.stream.Collectors; import java.util.stream.Stream; /** * * @author 97797 */ public class Main { public static void main(String[] args) throws IOException { System.out.println(new Main().run(args, System.in)); } public String run(String[] args, InputStream in) throws IOException { BufferedReader reader = new BufferedReader(new InputStreamReader(in)); long N = Long.valueOf(reader.readLine()); String[] val = reader.readLine().replaceAll("\\s+", " ").split(" "); List<Integer> list = Stream.of(val).map(Integer::parseInt).collect(Collectors.toList()); int direct = 0; int pre = 0; int count = 0; for (Integer n : list) { if (pre == 0) { pre = n; } else { if (pre == n) { // nop; } else { if (direct == 0) { if (n > pre) { direct = 1; } else { direct = -1; } } else if (direct > 0) { if (n > pre) { // } else { count++; direct = 0; } } else {//direct < 0 if (pre > n) { // } else { count++; direct = 0; } } pre = n; } } } count++; return String.valueOf(count); } }
Submission Info
Submission Time | |
---|---|
Task | A - Sorted Arrays |
User | unirita25 |
Language | Java8 (OpenJDK 1.8.0) |
Score | 300 |
Code Size | 2009 Byte |
Status | AC |
Exec Time | 441 ms |
Memory | 55512 KB |
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 | 157 ms | 24404 KB |
sample_02.txt | AC | 163 ms | 24916 KB |
sample_03.txt | AC | 165 ms | 24660 KB |
subtask_1_01.txt | AC | 354 ms | 42828 KB |
subtask_1_02.txt | AC | 363 ms | 42336 KB |
subtask_1_03.txt | AC | 305 ms | 31768 KB |
subtask_1_04.txt | AC | 441 ms | 52164 KB |
subtask_1_05.txt | AC | 416 ms | 52732 KB |
subtask_1_06.txt | AC | 386 ms | 52924 KB |
subtask_1_07.txt | AC | 399 ms | 55104 KB |
subtask_1_08.txt | AC | 408 ms | 55512 KB |
subtask_1_09.txt | AC | 408 ms | 53180 KB |
subtask_1_10.txt | AC | 164 ms | 24016 KB |
subtask_1_11.txt | AC | 161 ms | 26068 KB |