oj.uz

Submission #329133

# Submission time Handle Problem Language Result Execution time Memory
329133 2020-11-19T11:43:22 Z arayi Xylophone (JOI18_xylophone) C++17
100 / 100
 81 ms 620 KB 
#include "xylophone.h"
#include <algorithm>
#define qry query
using namespace std;


int n;
bool col[5050];
int a[5050];
int d(int a, int b, int c)
{
	return max(a, max(b, c)) - min(a, min(b, c));
}
void solve(int N) {

	n = N;
	int l = 1, r = n - 1, i1 = n - 1;
	while (l <= r)
	{
		int mid = (l + r) / 2;
		if (qry(mid, n) == n - 1) i1 = mid, l = mid + 1;
		else r = mid - 1;
	}
	a[i1] = 1;
	//printf("%d\n", i1);
	for (int i = i1 - 1; i > 0; i--)
	{
		int sm = qry(i, i + 1);
		if (a[i + 1] - sm < 1 || col[a[i + 1] - sm]) a[i] = a[i + 1] + sm;
		else if (a[i + 1] + sm > n || col[a[i + 1] + sm]) a[i] = a[i + 1] - sm;
		else
		{
			int sm1 = qry(i, i + 2);
			if (d(a[i + 1], a[i + 2], a[i + 1] + sm) == sm1) a[i] = a[i + 1] + sm;
			else a[i] = a[i + 1] - sm;
		}
		col[a[i]] = 1;
	}
	for (int i = i1 + 1; i <= n; i++)
	{
		int sm = qry(i - 1, i);
		if (a[i - 1] - sm < 1 || col[a[i - 1] - sm]) a[i] = a[i - 1] + sm;
		else if (a[i - 1] + sm > n || col[a[i - 1] + sm]) a[i] = a[i - 1] - sm;
		else
		{
			int sm1 = qry(i - 2, i);
			if (d(a[i - 1], a[i - 2], a[i - 1] + sm) == sm1) a[i] = a[i - 1] + sm;
			else a[i] = a[i - 1] - sm;
		}
		col[a[i]] = 1;
	}
	for (int i = 1; i <= n; i++) answer(i, a[i]);
}

Subtask #1
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 0 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 2 ms 364 KB Output is correct
5 Correct 2 ms 364 KB Output is correct
6 Correct 2 ms 364 KB Output is correct
7 Correct 2 ms 364 KB Output is correct
8 Correct 2 ms 364 KB Output is correct
9 Correct 2 ms 364 KB Output is correct
10 Correct 2 ms 364 KB Output is correct
11 Correct 2 ms 364 KB Output is correct
12 Correct 2 ms 364 KB Output is correct
13 Correct 2 ms 364 KB Output is correct
14 Correct 2 ms 364 KB Output is correct
15 Correct 2 ms 364 KB Output is correct

Subtask #2
36.0 / 36.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 0 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 2 ms 364 KB Output is correct
5 Correct 2 ms 364 KB Output is correct
6 Correct 2 ms 364 KB Output is correct
7 Correct 2 ms 364 KB Output is correct
8 Correct 2 ms 364 KB Output is correct
9 Correct 2 ms 364 KB Output is correct
10 Correct 2 ms 364 KB Output is correct
11 Correct 2 ms 364 KB Output is correct
12 Correct 2 ms 364 KB Output is correct
13 Correct 2 ms 364 KB Output is correct
14 Correct 2 ms 364 KB Output is correct
15 Correct 2 ms 364 KB Output is correct
16 Correct 4 ms 364 KB Output is correct
17 Correct 6 ms 364 KB Output is correct
18 Correct 10 ms 364 KB Output is correct
19 Correct 12 ms 364 KB Output is correct
20 Correct 11 ms 492 KB Output is correct
21 Correct 16 ms 364 KB Output is correct
22 Correct 16 ms 364 KB Output is correct
23 Correct 10 ms 364 KB Output is correct
24 Correct 9 ms 364 KB Output is correct
25 Correct 10 ms 364 KB Output is correct
26 Correct 17 ms 256 KB Output is correct
27 Correct 12 ms 492 KB Output is correct
28 Correct 12 ms 364 KB Output is correct
29 Correct 16 ms 492 KB Output is correct
30 Correct 14 ms 364 KB Output is correct

Subtask #3
53.0 / 53.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 0 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 2 ms 364 KB Output is correct
5 Correct 2 ms 364 KB Output is correct
6 Correct 2 ms 364 KB Output is correct
7 Correct 2 ms 364 KB Output is correct
8 Correct 2 ms 364 KB Output is correct
9 Correct 2 ms 364 KB Output is correct
10 Correct 2 ms 364 KB Output is correct
11 Correct 2 ms 364 KB Output is correct
12 Correct 2 ms 364 KB Output is correct
13 Correct 2 ms 364 KB Output is correct
14 Correct 2 ms 364 KB Output is correct
15 Correct 2 ms 364 KB Output is correct
16 Correct 4 ms 364 KB Output is correct
17 Correct 6 ms 364 KB Output is correct
18 Correct 10 ms 364 KB Output is correct
19 Correct 12 ms 364 KB Output is correct
20 Correct 11 ms 492 KB Output is correct
21 Correct 16 ms 364 KB Output is correct
22 Correct 16 ms 364 KB Output is correct
23 Correct 10 ms 364 KB Output is correct
24 Correct 9 ms 364 KB Output is correct
25 Correct 10 ms 364 KB Output is correct
26 Correct 17 ms 256 KB Output is correct
27 Correct 12 ms 492 KB Output is correct
28 Correct 12 ms 364 KB Output is correct
29 Correct 16 ms 492 KB Output is correct
30 Correct 14 ms 364 KB Output is correct
31 Correct 28 ms 496 KB Output is correct
32 Correct 35 ms 364 KB Output is correct
33 Correct 61 ms 364 KB Output is correct
34 Correct 51 ms 364 KB Output is correct
35 Correct 58 ms 384 KB Output is correct
36 Correct 40 ms 364 KB Output is correct
37 Correct 61 ms 492 KB Output is correct
38 Correct 49 ms 364 KB Output is correct
39 Correct 53 ms 364 KB Output is correct
40 Correct 65 ms 364 KB Output is correct
41 Correct 58 ms 492 KB Output is correct
42 Correct 63 ms 364 KB Output is correct
43 Correct 63 ms 492 KB Output is correct
44 Correct 41 ms 488 KB Output is correct
45 Correct 79 ms 364 KB Output is correct
46 Correct 79 ms 364 KB Output is correct
47 Correct 59 ms 364 KB Output is correct
48 Correct 66 ms 492 KB Output is correct
49 Correct 76 ms 364 KB Output is correct
50 Correct 78 ms 364 KB Output is correct
51 Correct 76 ms 364 KB Output is correct
52 Correct 57 ms 364 KB Output is correct
53 Correct 81 ms 364 KB Output is correct
54 Correct 56 ms 496 KB Output is correct
55 Correct 61 ms 364 KB Output is correct
56 Correct 77 ms 620 KB Output is correct
57 Correct 52 ms 492 KB Output is correct
58 Correct 44 ms 620 KB Output is correct
59 Correct 56 ms 492 KB Output is correct
60 Correct 78 ms 364 KB Output is correct