Submission #1306709
Source Code Expand
import java.io.*; import java.math.*; import java.util.*; public class Main { private static boolean debug = false; private static boolean elapsed = false; private static PrintWriter _out = new PrintWriter(System.out); private static PrintWriter _err = new PrintWriter(System.err); private void solve(Scanner sc) { int N = sc.nextInt(); int[] A = new int[N]; int ans = 1; int sign = 0; for (int i = 0; i < N; ++i) { A[i] = sc.nextInt(); if (i > 0 && A[i - 1] != A[i]) { if (sign == 0) { sign = (A[i - 1] < A[i]) ? 1 : -1; } else if (sign == -1) { if (A[i - 1] < A[i]) { sign = 0; ++ans; } } else { if (A[i - 1] > A[i]) { sign = 0; ++ans; } } } } _out.println(ans); } private static BigInteger C(long n, long r) { BigInteger res = BigInteger.ONE; for (long i = n; i > n - r; --i) { res = res.multiply(BigInteger.valueOf(i)); } for (long i = r; i > 1; --i) { res = res.divide(BigInteger.valueOf(i)); } return res; } private static BigInteger P(long n, long r) { BigInteger res = BigInteger.ONE; for (long i = n; i > n - r; --i) { res = res.multiply(BigInteger.valueOf(i)); } return res; } /* * 10^10 > Integer.MAX_VALUE = 2147483647 > 10^9 * 10^19 > Long.MAX_VALUE = 9223372036854775807L > 10^18 */ public static void main(String[] args) { long S = System.currentTimeMillis(); Scanner sc = new Scanner(System.in); new Main().solve(sc); _out.flush(); long G = System.currentTimeMillis(); if (elapsed) { _err.println((G - S) + "ms"); } _err.flush(); } }
Submission Info
Submission Time | |
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Task | A - Sorted Arrays |
User | hhelibex |
Language | Java8 (OpenJDK 1.8.0) |
Score | 300 |
Code Size | 2139 Byte |
Status | AC |
Exec Time | 481 ms |
Memory | 50236 KB |
Judge Result
Set Name | Sample | All | ||||
---|---|---|---|---|---|---|
Score / Max Score | 0 / 0 | 300 / 300 | ||||
Status |
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Set Name | Test Cases |
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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 | 92 ms | 19028 KB |
sample_02.txt | AC | 93 ms | 21588 KB |
sample_03.txt | AC | 91 ms | 19796 KB |
subtask_1_01.txt | AC | 406 ms | 45684 KB |
subtask_1_02.txt | AC | 374 ms | 42916 KB |
subtask_1_03.txt | AC | 302 ms | 39424 KB |
subtask_1_04.txt | AC | 452 ms | 46504 KB |
subtask_1_05.txt | AC | 464 ms | 46560 KB |
subtask_1_06.txt | AC | 459 ms | 50236 KB |
subtask_1_07.txt | AC | 462 ms | 47224 KB |
subtask_1_08.txt | AC | 481 ms | 48264 KB |
subtask_1_09.txt | AC | 465 ms | 50236 KB |
subtask_1_10.txt | AC | 91 ms | 19924 KB |
subtask_1_11.txt | AC | 91 ms | 21844 KB |