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IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#277783#7886. Not Another Eulerian Number ProblemZaolyTL 136ms3596kbC++141.4kb2023-12-06 22:49:152023-12-06 22:49:17

Judging History

你现在查看的是最新测评结果

  • [2023-12-06 22:49:17]
  • 评测
  • 测评结果:TL
  • 用时:136ms
  • 内存:3596kb
  • [2023-12-06 22:49:15]
  • 提交

answer

#include <algorithm>
#include <iostream>
#include <vector>

using namespace std;

const int N = 10;

int alpha, n, m, n0;
int subperm[N], oriperm[N];

bool next_oriperm()
{
	for (int i = 0; i < n * alpha; ++i)
		if (oriperm[i] < n)
		{
			++oriperm[i];
			return true;
		}
		else
			oriperm[i] = 1;
	return false;
}

bool is_order_perm()
{
	int occurs[N + 1]{};
	for (int i = 0; i < n * alpha; ++i)
		++occurs[oriperm[i]];
	for (int i = 1; i <= n; ++i)
		if (occurs[i] != alpha)
			return false;
	for (int i = 0; i < n * alpha; ++i)
		for (int j = i + 1; j < n * alpha; ++j)
		{
			if (oriperm[i] != oriperm[j])
				continue;
			for (int k = i + 1; k < j; ++k)
				if (oriperm[k] < oriperm[i])
					return false;
		}
	return true;
}

bool is_subseq()
{
	int ptr = 0;
	for (int i = 0; i < n * alpha; ++i)
		if (ptr < n0 * alpha && oriperm[i] == subperm[ptr])
			++ptr;
	return ptr == n0 * alpha;
}

bool check_indices()
{
	int greater_cnt = 0;
	for (int i = 0; i < n * alpha - 1; ++i)
		if (oriperm[i] > oriperm[i + 1])
			++greater_cnt;
	return greater_cnt == m;
}

int main()
{
	int result = 0;
	cin >> alpha >> n >> m >> n0;
	for (int i = 0; i < n0 * alpha; ++i)
		cin >> subperm[i];
	for (int i = 0; i < n * alpha; ++i)
		oriperm[i] = 1;
	do
		if (is_order_perm() && is_subseq() && check_indices())
			++result;
	while (next_oriperm());
	cout << result << '\n';
	return 0;
}

Details

Tip: Click on the bar to expand more detailed information

Test #1:

score: 100
Accepted
time: 0ms
memory: 3432kb

input:

1 4 2 2
2 1

output:

7

result:

ok 1 number(s): "7"

Test #2:

score: 0
Accepted
time: 0ms
memory: 3560kb

input:

2 4 2 2
1 2 2 1

output:

19

result:

ok 1 number(s): "19"

Test #3:

score: 0
Accepted
time: 0ms
memory: 3372kb

input:

1 1 0 1
1

output:

1

result:

ok 1 number(s): "1"

Test #4:

score: 0
Accepted
time: 0ms
memory: 3320kb

input:

3 1 0 1
1 1 1

output:

1

result:

ok 1 number(s): "1"

Test #5:

score: 0
Accepted
time: 0ms
memory: 3388kb

input:

4 1 0 1
1 1 1 1

output:

1

result:

ok 1 number(s): "1"

Test #6:

score: 0
Accepted
time: 0ms
memory: 3388kb

input:

5 1 0 1
1 1 1 1 1

output:

1

result:

ok 1 number(s): "1"

Test #7:

score: 0
Accepted
time: 0ms
memory: 3552kb

input:

10 1 0 1
1 1 1 1 1 1 1 1 1 1

output:

1

result:

ok 1 number(s): "1"

Test #8:

score: 0
Accepted
time: 0ms
memory: 3420kb

input:

1 3 2 1
1

output:

1

result:

ok 1 number(s): "1"

Test #9:

score: 0
Accepted
time: 0ms
memory: 3376kb

input:

3 3 2 3
2 2 2 3 3 3 1 1 1

output:

0

result:

ok 1 number(s): "0"

Test #10:

score: 0
Accepted
time: 1ms
memory: 3480kb

input:

3 3 2 2
1 1 2 2 2 1

output:

5

result:

ok 1 number(s): "5"

Test #11:

score: 0
Accepted
time: 1ms
memory: 3384kb

input:

3 3 2 1
1 1 1

output:

15

result:

ok 1 number(s): "15"

Test #12:

score: 0
Accepted
time: 1ms
memory: 3596kb

input:

3 3 1 2
2 2 2 1 1 1

output:

2

result:

ok 1 number(s): "2"

Test #13:

score: 0
Accepted
time: 1ms
memory: 3560kb

input:

1 4 0 4
4 2 1 3

output:

0

result:

ok 1 number(s): "0"

Test #14:

score: 0
Accepted
time: 1ms
memory: 3552kb

input:

2 4 1 4
1 4 4 3 3 2 2 1

output:

0

result:

ok 1 number(s): "0"

Test #15:

score: 0
Accepted
time: 1ms
memory: 3440kb

input:

2 4 2 4
1 3 3 2 2 4 4 1

output:

1

result:

ok 1 number(s): "1"

Test #16:

score: 0
Accepted
time: 1ms
memory: 3428kb

input:

2 4 2 1
1 1

output:

58

result:

ok 1 number(s): "58"

Test #17:

score: 0
Accepted
time: 0ms
memory: 3396kb

input:

2 4 1 2
1 1 2 2

output:

14

result:

ok 1 number(s): "14"

Test #18:

score: 0
Accepted
time: 136ms
memory: 3552kb

input:

1 8 7 3
2 1 3

output:

0

result:

ok 1 number(s): "0"

Test #19:

score: 0
Accepted
time: 135ms
memory: 3376kb

input:

1 8 0 4
1 2 3 4

output:

1

result:

ok 1 number(s): "1"

Test #20:

score: 0
Accepted
time: 131ms
memory: 3316kb

input:

1 8 4 4
4 3 1 2

output:

771

result:

ok 1 number(s): "771"

Test #21:

score: 0
Accepted
time: 136ms
memory: 3532kb

input:

1 8 1 4
4 3 2 1

output:

0

result:

ok 1 number(s): "0"

Test #22:

score: 0
Accepted
time: 128ms
memory: 3384kb

input:

1 8 7 1
1

output:

1

result:

ok 1 number(s): "1"

Test #23:

score: -100
Time Limit Exceeded

input:

1 9 2 5
4 3 1 5 2

output:


result: