Submission #1231827


Source Code Expand

#include <cstdio>
#include <cstdlib>

using namespace std;

int main(int argc,char * argv[])
{
	int n;
	scanf("%d", &n);
	bool inc = true, dec = true;
	int last = -1;
	int ans = 0;
	for (int i = 1;i <= n;++i)
	{
		int x;
		scanf("%d", &x);
		if (last == -1) last = x;
		else
		{
			if (x > last) dec = false;
			if (x < last) inc = false;
			if (dec == false && inc == false)
			{
				ans++;
				inc = dec = true;
			}
			last = x;
		}
	}
	printf("%d\n", ans + 1);
	return 0;
}

Submission Info

Submission Time
Task A - Sorted Arrays
User wrz91win
Language C++14 (GCC 5.4.1)
Score 300
Code Size 508 Byte
Status AC
Exec Time 12 ms
Memory 128 KB

Compile Error

./Main.cpp: In function ‘int main(int, char**)’:
./Main.cpp:9:17: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d", &n);
                 ^
./Main.cpp:16:18: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d", &x);
                  ^

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 128 KB
sample_02.txt AC 0 ms 128 KB
sample_03.txt AC 1 ms 128 KB
subtask_1_01.txt AC 7 ms 128 KB
subtask_1_02.txt AC 6 ms 128 KB
subtask_1_03.txt AC 4 ms 128 KB
subtask_1_04.txt AC 12 ms 128 KB
subtask_1_05.txt AC 12 ms 128 KB
subtask_1_06.txt AC 12 ms 128 KB
subtask_1_07.txt AC 12 ms 128 KB
subtask_1_08.txt AC 12 ms 128 KB
subtask_1_09.txt AC 12 ms 128 KB
subtask_1_10.txt AC 1 ms 128 KB
subtask_1_11.txt AC 1 ms 128 KB