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QOJ

IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#642209#8529. Balance of PermutationGrand_ElfAC ✓3275ms75404kbC++171.8kb2024-10-15 11:49:082024-10-15 11:49:08

Judging History

你现在查看的是最新测评结果

  • [2024-10-15 11:49:08]
  • 评测
  • 测评结果:AC
  • 用时:3275ms
  • 内存:75404kb
  • [2024-10-15 11:49:08]
  • 提交

answer

#include <bits/stdc++.h>
using namespace std;

istream& operator >> (istream &is, __int128 &n) {
	string s;
	is >> s;
	n = 0;
	for (char c : s) {
		n = n * 10 + c - '0';
	}
	return is;
}

ostream& operator << (ostream &os, __int128 n) {
	string s = "";
	if (n == 0) {
		s = "0";
	}
	while (n) {
	    s += '0' + n % 10;
	    n /= 10;
	}
	reverse(s.begin(), s.end());
	os << s;
	return os;
}

const int N = 35;
const int L = 1870;

int n, m, b, id[N * 2], sum[N * 2][2], ans[N];
bool visa[N], visb[N], tp[N * 2];
__int128 k, dp[N * 2][N][L];

void getdp() {
	m = 0;
	for (int i = 1; i <= n; i++) {
		if (!visa[i]) {
			id[++m] = i;
			tp[m] = 0;
		}
		if (!visb[i]) {
			id[++m] = i;
			tp[m] = 1;
		}
	}
	for (int i = 1; i <= m; i++) {
		sum[i][0] = sum[i - 1][0] + (tp[i] == 0);
		sum[i][1] = sum[i - 1][1] + (tp[i] == 1);
	}
	memset(dp, 0, sizeof(dp));
	dp[0][0][930] = 1;
	for (int i = 1; i <= m; i++) {
		for (int j = 0; j <= min(sum[i][0], sum[i][1]); j++) {
			for (int l = -930; l <= 930; l++) {
				if (j >= 1 && l - id[i] >= -930) {
					dp[i][j][l + 930] += dp[i - 1][j - 1][l - id[i] + 930] * (sum[i - 1][tp[i] ^ 1] - j + 1);
				}
				if (l + id[i] <= 930) {
					dp[i][j][l + 930] += dp[i - 1][j][l + id[i] + 930];
				}
			}
		}
	}
}



int main() {
	ios::sync_with_stdio(0);
	cin.tie(0);
	cin >> n >> b >> k;
	for (int i = 1; i <= n; i++) {
		int c = 2 * n - 2 * i;
		int d = n - i;
		visa[i] = 1;
		for (int j = 1; j <= n; j++) {
			if (!visb[j]) {
				visb[j] = 1;
				getdp();
				if (dp[c][d][b - abs(j - i) + 930] < k) {
					k -= dp[c][d][b - abs(j - i) + 930];
					visb[j] = 0;
				} else {
					b -= abs(j - i);
					ans[i] = j;
					break;
				}
			}
		}
	}
	for (int i = 1; i <= n; i++) {
		cout << ans[i] << ' ';
	}
	cout << '\n';

	return 0;
}

Details

Tip: Click on the bar to expand more detailed information

Test #1:

score: 100
Accepted
time: 47ms
memory: 75192kb

input:

6 6 6

output:

1 2 6 3 4 5 

result:

ok 6 numbers

Test #2:

score: 0
Accepted
time: 1582ms
memory: 75108kb

input:

30 300 3030303030303030303030

output:

1 2 3 4 9 23 20 28 24 16 21 17 27 29 8 26 25 30 19 18 22 12 7 13 6 10 5 15 14 11 

result:

ok 30 numbers

Test #3:

score: 0
Accepted
time: 0ms
memory: 75324kb

input:

1 0 1

output:

1 

result:

ok 1 number(s): "1"

Test #4:

score: 0
Accepted
time: 7ms
memory: 75128kb

input:

2 0 1

output:

1 2 

result:

ok 2 number(s): "1 2"

Test #5:

score: 0
Accepted
time: 7ms
memory: 75056kb

input:

2 2 1

output:

2 1 

result:

ok 2 number(s): "2 1"

Test #6:

score: 0
Accepted
time: 44ms
memory: 75108kb

input:

5 8 3

output:

1 5 4 2 3 

result:

ok 5 number(s): "1 5 4 2 3"

Test #7:

score: 0
Accepted
time: 84ms
memory: 75200kb

input:

7 20 100

output:

3 6 7 4 1 5 2 

result:

ok 7 numbers

Test #8:

score: 0
Accepted
time: 33ms
memory: 75064kb

input:

7 2 6

output:

2 1 3 4 5 6 7 

result:

ok 7 numbers

Test #9:

score: 0
Accepted
time: 86ms
memory: 75104kb

input:

7 24 1

output:

4 5 6 7 1 2 3 

result:

ok 7 numbers

Test #10:

score: 0
Accepted
time: 124ms
memory: 75332kb

input:

7 22 360

output:

7 6 4 3 5 2 1 

result:

ok 7 numbers

Test #11:

score: 0
Accepted
time: 104ms
memory: 75064kb

input:

7 20 358

output:

5 7 2 4 6 3 1 

result:

ok 7 numbers

Test #12:

score: 0
Accepted
time: 210ms
memory: 75328kb

input:

10 48 10001

output:

7 5 8 9 6 10 3 4 1 2 

result:

ok 10 numbers

Test #13:

score: 0
Accepted
time: 203ms
memory: 75096kb

input:

10 42 10101

output:

3 9 6 8 10 5 7 2 1 4 

result:

ok 10 numbers

Test #14:

score: 0
Accepted
time: 1178ms
memory: 75400kb

input:

25 300 1

output:

7 14 15 16 17 18 19 20 21 22 23 24 25 1 2 3 4 5 6 8 9 10 11 12 13 

result:

ok 25 numbers

Test #15:

score: 0
Accepted
time: 2042ms
memory: 75120kb

input:

25 300 283788388040048639877

output:

25 24 23 22 21 20 19 18 17 16 11 12 13 14 15 10 9 8 7 5 6 4 2 1 3 

result:

ok 25 numbers

Test #16:

score: 0
Accepted
time: 1692ms
memory: 75176kb

input:

26 302 105773752969551707419545

output:

19 22 25 13 17 18 23 20 10 26 16 6 5 11 14 12 24 4 3 21 1 15 7 8 2 9 

result:

ok 26 numbers

Test #17:

score: 0
Accepted
time: 1521ms
memory: 75196kb

input:

27 308 8781128321749037280676555

output:

16 18 17 21 25 6 20 24 22 15 27 5 7 8 2 9 26 13 1 3 14 10 23 19 4 11 12 

result:

ok 27 numbers

Test #18:

score: 0
Accepted
time: 1582ms
memory: 75404kb

input:

28 304 806517199954337651602356955

output:

12 17 5 16 23 26 25 15 20 2 19 7 22 24 6 13 11 10 28 8 1 21 18 14 27 3 4 9 

result:

ok 28 numbers

Test #19:

score: 0
Accepted
time: 1843ms
memory: 75188kb

input:

29 322 40281026669581503094652149519

output:

16 21 10 25 17 29 9 28 2 8 26 27 22 4 3 5 18 14 19 1 23 20 15 11 13 7 6 12 24 

result:

ok 29 numbers

Test #20:

score: 0
Accepted
time: 2342ms
memory: 75056kb

input:

30 400 46479902466857426153849991132

output:

25 19 30 29 9 20 26 21 14 27 28 10 22 11 24 2 7 4 18 17 5 13 12 6 8 1 15 23 16 3 

result:

ok 30 numbers

Test #21:

score: 0
Accepted
time: 1985ms
memory: 75108kb

input:

30 450 1140008168482799670544355

output:

26 16 17 18 19 20 21 22 23 24 25 27 28 29 30 1 2 3 5 9 4 8 14 10 6 11 12 15 7 13 

result:

ok 30 numbers

Test #22:

score: 0
Accepted
time: 897ms
memory: 75192kb

input:

30 150 480087379811286955791425915

output:

7 4 8 5 16 3 1 12 13 11 9 10 15 25 18 17 20 30 28 2 6 14 23 21 24 26 27 22 19 29 

result:

ok 30 numbers

Test #23:

score: 0
Accepted
time: 894ms
memory: 75196kb

input:

30 150 480087379811286955791439470

output:

7 4 8 5 16 3 1 12 13 11 9 10 15 25 18 17 20 30 28 2 19 6 22 24 21 23 26 14 29 27 

result:

ok 30 numbers

Test #24:

score: 0
Accepted
time: 2303ms
memory: 75188kb

input:

30 440 41509275104334759322587324

output:

22 23 20 24 18 30 19 26 21 28 4 29 17 25 27 16 3 1 2 5 8 13 10 15 7 12 9 14 11 6 

result:

ok 30 numbers

Test #25:

score: 0
Accepted
time: 2120ms
memory: 75116kb

input:

30 450 1140008168482800727111311

output:

26 16 17 18 19 20 21 22 23 24 25 27 28 29 30 1 2 5 7 14 4 15 8 11 3 13 10 9 6 12 

result:

ok 30 numbers

Test #26:

score: 0
Accepted
time: 2513ms
memory: 75176kb

input:

30 400 52289890275214604423031772929

output:

26 27 29 21 28 16 18 11 2 25 24 23 6 30 20 13 17 10 15 4 9 12 8 22 19 1 5 7 3 14 

result:

ok 30 numbers

Test #27:

score: 0
Accepted
time: 201ms
memory: 75172kb

input:

30 0 1

output:

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 

result:

ok 30 numbers

Test #28:

score: 0
Accepted
time: 1919ms
memory: 75108kb

input:

30 450 1

output:

16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 

result:

ok 30 numbers

Test #29:

score: 0
Accepted
time: 3275ms
memory: 75168kb

input:

30 450 1710012252724199424000000

output:

30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 

result:

ok 30 numbers

Test #30:

score: 0
Accepted
time: 2675ms
memory: 75168kb

input:

30 450 1692383260428073656742269

output:

30 27 26 28 18 29 21 19 25 17 20 16 24 22 23 7 13 4 6 3 5 12 1 15 14 9 11 8 2 10 

result:

ok 30 numbers

Test #31:

score: 0
Accepted
time: 2433ms
memory: 75060kb

input:

30 302 5918364042599361729860937331200

output:

30 29 28 27 26 25 14 8 9 10 11 12 13 7 15 16 17 18 19 20 21 22 23 24 6 5 4 3 2 1 

result:

ok 30 numbers

Test #32:

score: 0
Accepted
time: 1656ms
memory: 75176kb

input:

30 254 2256781660157136563723839089600

output:

25 2 3 12 7 16 19 8 22 6 11 17 27 26 10 24 15 21 20 18 28 9 30 23 14 13 5 29 4 1 

result:

ok 30 numbers

Test #33:

score: 0
Accepted
time: 2930ms
memory: 75060kb

input:

30 448 3131906441000512625049600

output:

23 20 28 18 26 30 19 29 27 22 17 24 21 25 2 13 16 15 14 12 11 10 9 8 7 6 5 4 3 1 

result:

ok 30 numbers

Test #34:

score: 0
Accepted
time: 211ms
memory: 75120kb

input:

30 2 20

output:

1 2 3 4 5 6 7 8 9 11 10 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 

result:

ok 30 numbers

Test #35:

score: 0
Accepted
time: 215ms
memory: 75100kb

input:

30 2 29

output:

2 1 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 

result:

ok 30 numbers

Extra Test:

score: 0
Extra Test Passed