Submission #1221216


Source Code Expand

#include <bits/stdc++.h>
#define REP(i, a, b) for (int i = a; i <= b; ++i)
#define PER(i, a, b) for (int i = a; i >= b; --i)
#define RVC(i, S) for (int i = 0; i < S.size(); ++i)
#define fi first
#define se second
#define mp make_pair
#define pb push_back
#define debug(...) fprintf(stderr, __VA_ARGS__)
using namespace std;

typedef long long LL;
typedef pair<int, int> pii;
typedef vector<int> VI;

inline int read(){
	int x = 0, ch = getchar(), f = 1;
	while (!isdigit(ch)){if (ch == '-') f = -1; ch = getchar();}
	while (isdigit(ch)) x = x * 10 + ch - '0', ch = getchar();
	return x * f;
}

int n, a[100005];
int main(){
	n = read();
	REP(i, 1, n) a[i] = read();
	n = unique(a + 1, a + n + 1) - a - 1;
	int ans = 0;
	for (int i = 1, j; i <= n; i = j + 1, ++ans){
		if (i == n){
			++ans; break;
		}
		j = i;
		if (i == 7){
			++i, --i;
		}
		if (a[j + 1] < a[j]){
			while (j + 1 <= n && a[j + 1] < a[j]) ++j;
		}
		else{
			while (j + 1 <= n && a[j + 1] > a[j]) ++j;
		}
	}
	cout << ans << endl;
	return 0;
}

Submission Info

Submission Time
Task A - Sorted Arrays
User zkx06111
Language C++14 (GCC 5.4.1)
Score 300
Code Size 1057 Byte
Status AC
Exec Time 9 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 6 ms 512 KB
subtask_1_02.txt AC 5 ms 384 KB
subtask_1_03.txt AC 3 ms 384 KB
subtask_1_04.txt AC 9 ms 640 KB
subtask_1_05.txt AC 8 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