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Submission #793441

# Submission time Handle Problem Language Result Execution time Memory
793441 2023-07-25T20:54:06 Z rainboy Long puzzle (innopolis2021_final_D) C
100 / 100
 39 ms 628 KB 
#include <stdio.h>
#include <string.h>

#define N	300
#define M	300
#define MD	1000000007

int main() {
	static int dp01[M + 1], dp02[M + 1];
	static int dp10[M + 1], dp20[M + 1];
	static int dp11[M + 1], dp22[M + 1];
	static int dp12[N + 1][M + 1], dp21[N + 1][M + 1];
	static int dp[M + 1], dq[M + 1];
	int n, n12, n21, m, k, i, s01, s02, s10, s20, s11, s22, s12, s21, s, s_, ans;

	scanf("%d%d", &n, &m);
	ans = 0;
	dp11[0] = dp22[0] = 1;
	dp12[0][0] = 1, n12 = 0;
	dp21[0][0] = 1, n21 = 0;
	for (i = 0; i < n; i++) {
		static char aa[5], bb[5];
		int l, a, b;

		scanf("%d%s%s", &l, aa, bb);
		a = aa[0] == 'n' ? 0 : (aa[0] == 'i' ? 1 : 2);
		b = bb[0] == 'n' ? 0 : (bb[0] == 'i' ? 2 : 1);
		if (a == 0 && b == 0) {
			if (l == m)
				ans++;
			continue;
		}
		if (a == 0 && b == 1)
			dp01[l]++;
		else if (a == 0 && b == 2)
			dp02[l]++;
		else if (a == 1 && b == 0)
			dp10[l]++;
		else if (a == 2 && b == 0)
			dp20[l]++;
		else if (a == 1 && b == 1) {
			for (s11 = m; s11 >= l; s11--)
				if ((dp11[s11] += dp11[s11 - l]) >= MD)
					dp11[s11] -= MD;
		} else if (a == 2 && b == 2) {
			for (s22 = m; s22 >= l; s22--)
				if ((dp22[s22] += dp22[s22 - l]) >= MD)
					dp22[s22] -= MD;
		} else if (a == 1 && b == 2) {
			for (k = n12; k >= 0; k--)
				for (s12 = 0; (s_ = s12 + l) <= m; s12++)
					if ((dp12[k + 1][s_] += dp12[k][s12]) >= MD)
						dp12[k + 1][s_] -= MD;
			n12++;
		} else if (a == 2 && b == 1) {
			for (k = n21; k >= 0; k--)
				for (s21 = 0; (s_ = s21 + l) <= m; s21++)
					if ((dp21[k + 1][s_] += dp21[k][s21]) >= MD)
						dp21[k + 1][s_] -= MD;
			n21++;
		}
	}
	memset(dp, 0, (m + 1) * sizeof *dp);
	for (k = 1; k <= n12 && k - 1 <= n21; k++)
		for (s12 = 0; s12 <= m; s12++)
			for (s21 = 0; (s_ = s12 + s21) <= m; s21++)
				dp[s_] = (dp[s_] + (long long) dp12[k][s12] * dp21[k - 1][s21]) % MD;
	memset(dq, 0, (m + 1) * sizeof *dq);
	for (s01 = 0; s01 <= m; s01++)
		for (s20 = 0; (s_ = s01 + s20) <= m; s20++)
			dq[s_] = (dq[s_] + (long long) dp01[s01] * dp20[s20]) % MD;
	for (s = m; s >= 0; s--)
		for (s11 = 1; (s_ = s + s11) <= m; s11++)
			dq[s_] = (dq[s_] + (long long) dq[s] * dp11[s11]) % MD;
	for (s = m; s >= 0; s--)
		for (s22 = 1; (s_ = s + s22) <= m; s22++)
			dq[s_] = (dq[s_] + (long long) dq[s] * dp22[s22]) % MD;
	for (s = 0; s <= m; s++)
		ans = (ans + (long long) dp[s] * dq[m - s]) % MD;
	memset(dp, 0, (m + 1) * sizeof *dp);
	for (k = 1; k <= n21 && k - 1 <= n12; k++)
		for (s21 = 0; s21 <= m; s21++)
			for (s12 = 0; (s_ = s21 + s12) <= m; s12++)
				dp[s_] = (dp[s_] + (long long) dp21[k][s21] * dp12[k - 1][s12]) % MD;
	memset(dq, 0, (m + 1) * sizeof *dq);
	for (s02 = 0; s02 <= m; s02++)
		for (s10 = 0; (s_ = s02 + s10) <= m; s10++)
			dq[s_] = (dq[s_] + (long long) dp02[s02] * dp10[s10]) % MD;
	for (s = m; s >= 0; s--)
		for (s22 = 1; (s_ = s + s22) <= m; s22++)
			dq[s_] = (dq[s_] + (long long) dq[s] * dp22[s22]) % MD;
	for (s = m; s >= 0; s--)
		for (s11 = 1; (s_ = s + s11) <= m; s11++)
			dq[s_] = (dq[s_] + (long long) dq[s] * dp11[s11]) % MD;
	for (s = 0; s <= m; s++)
		ans = (ans + (long long) dp[s] * dq[m - s]) % MD;
	memset(dp, 0, (m + 1) * sizeof *dp);
	for (k = 1; k <= n12 && k <= n21; k++)
		for (s12 = 0; s12 <= m; s12++)
			for (s21 = 0; (s_ = s12 + s21) <= m; s21++)
				dp[s_] = (dp[s_] + (long long) dp12[k][s12] * dp21[k][s21]) % MD;
	memset(dq, 0, (m + 1) * sizeof *dq);
	for (s01 = 0; s01 <= m; s01++)
		for (s10 = 0; (s_ = s01 + s10) <= m; s10++)
			dq[s_] = (dq[s_] + (long long) dp01[s01] * dp10[s10]) % MD;
	for (s02 = 0; s02 <= m; s02++)
		for (s20 = 0; (s_ = s02 + s20) <= m; s20++)
			dq[s_] = (dq[s_] + (long long) dp02[s02] * dp20[s20]) % MD;
	for (s = m; s >= 0; s--)
		for (s11 = 1; (s_ = s + s11) <= m; s11++)
			dq[s_] = (dq[s_] + (long long) dq[s] * dp11[s11]) % MD;
	for (s = m; s >= 0; s--)
		for (s22 = 1; (s_ = s + s22) <= m; s22++)
			dq[s_] = (dq[s_] + (long long) dq[s] * dp22[s22]) % MD;
	for (s = 0; s <= m; s++)
		ans = (ans + (long long) dp[s] * dq[m - s]) % MD;
	for (s01 = 0; s01 <= m; s01++)
		for (s10 = 0; s01 + s10 <= m; s10++) {
			s11 = m - s01 - s10;
			ans = (ans + (long long) dp01[s01] * dp10[s10] % MD * dp11[s11]) % MD;
		}
	for (s02 = 0; s02 <= m; s02++)
		for (s20 = 0; s02 + s20 <= m; s20++) {
			s22 = m - s02 - s20;
			ans = (ans + (long long) dp02[s02] * dp20[s20] % MD * dp22[s22]) % MD;
		}
	printf("%d\n", ans);
	return 0;
}

Compilation message

Main.c: In function 'main':
Main.c:16:2: warning: ignoring return value of 'scanf' declared with attribute 'warn_unused_result' [-Wunused-result]
   16 |  scanf("%d%d", &n, &m);
      |  ^~~~~~~~~~~~~~~~~~~~~
Main.c:25:3: warning: ignoring return value of 'scanf' declared with attribute 'warn_unused_result' [-Wunused-result]
   25 |   scanf("%d%s%s", &l, aa, bb);
      |   ^~~~~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 212 KB Output is correct
2 Correct 2 ms 212 KB Output is correct
3 Correct 3 ms 212 KB Output is correct
4 Correct 2 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 2 ms 212 KB Output is correct
9 Correct 2 ms 212 KB Output is correct
10 Correct 2 ms 212 KB Output is correct
11 Correct 2 ms 212 KB Output is correct
12 Correct 0 ms 212 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 212 KB Output is correct
2 Correct 2 ms 212 KB Output is correct
3 Correct 2 ms 212 KB Output is correct
4 Correct 2 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 2 ms 212 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 1 ms 212 KB Output is correct

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 0 ms 212 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 0 ms 212 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 1 ms 340 KB Output is correct

Subtask #4
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 0 ms 212 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 0 ms 212 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 1 ms 212 KB Output is correct
17 Correct 1 ms 340 KB Output is correct
18 Correct 1 ms 288 KB Output is correct
19 Correct 0 ms 284 KB Output is correct
20 Correct 0 ms 212 KB Output is correct
21 Correct 0 ms 340 KB Output is correct
22 Correct 1 ms 340 KB Output is correct
23 Correct 1 ms 340 KB Output is correct
24 Correct 1 ms 340 KB Output is correct
25 Correct 1 ms 340 KB Output is correct
26 Correct 1 ms 340 KB Output is correct
27 Correct 1 ms 292 KB Output is correct
28 Correct 1 ms 212 KB Output is correct
29 Correct 1 ms 212 KB Output is correct
30 Correct 2 ms 340 KB Output is correct

Subtask #5
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 212 KB Output is correct
2 Correct 2 ms 212 KB Output is correct
3 Correct 3 ms 212 KB Output is correct
4 Correct 2 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 2 ms 212 KB Output is correct
9 Correct 2 ms 212 KB Output is correct
10 Correct 2 ms 212 KB Output is correct
11 Correct 2 ms 212 KB Output is correct
12 Correct 0 ms 212 KB Output is correct
13 Correct 2 ms 212 KB Output is correct
14 Correct 2 ms 212 KB Output is correct
15 Correct 2 ms 212 KB Output is correct
16 Correct 2 ms 212 KB Output is correct
17 Correct 1 ms 212 KB Output is correct
18 Correct 0 ms 212 KB Output is correct
19 Correct 0 ms 212 KB Output is correct
20 Correct 0 ms 212 KB Output is correct
21 Correct 1 ms 212 KB Output is correct
22 Correct 2 ms 212 KB Output is correct
23 Correct 1 ms 212 KB Output is correct
24 Correct 1 ms 212 KB Output is correct
25 Correct 1 ms 212 KB Output is correct
26 Correct 0 ms 212 KB Output is correct
27 Correct 0 ms 212 KB Output is correct
28 Correct 0 ms 212 KB Output is correct
29 Correct 0 ms 212 KB Output is correct
30 Correct 0 ms 212 KB Output is correct
31 Correct 0 ms 212 KB Output is correct
32 Correct 0 ms 212 KB Output is correct
33 Correct 0 ms 212 KB Output is correct
34 Correct 0 ms 212 KB Output is correct
35 Correct 0 ms 212 KB Output is correct
36 Correct 0 ms 212 KB Output is correct
37 Correct 0 ms 212 KB Output is correct
38 Correct 0 ms 212 KB Output is correct
39 Correct 1 ms 340 KB Output is correct
40 Correct 1 ms 212 KB Output is correct
41 Correct 1 ms 212 KB Output is correct
42 Correct 1 ms 340 KB Output is correct
43 Correct 1 ms 288 KB Output is correct
44 Correct 0 ms 284 KB Output is correct
45 Correct 0 ms 212 KB Output is correct
46 Correct 0 ms 340 KB Output is correct
47 Correct 1 ms 340 KB Output is correct
48 Correct 1 ms 340 KB Output is correct
49 Correct 1 ms 340 KB Output is correct
50 Correct 1 ms 340 KB Output is correct
51 Correct 1 ms 340 KB Output is correct
52 Correct 1 ms 292 KB Output is correct
53 Correct 1 ms 212 KB Output is correct
54 Correct 1 ms 212 KB Output is correct
55 Correct 2 ms 340 KB Output is correct
56 Correct 0 ms 212 KB Output is correct
57 Correct 0 ms 212 KB Output is correct
58 Correct 7 ms 380 KB Output is correct
59 Correct 10 ms 388 KB Output is correct
60 Correct 20 ms 468 KB Output is correct
61 Correct 8 ms 340 KB Output is correct
62 Correct 0 ms 340 KB Output is correct
63 Correct 1 ms 288 KB Output is correct
64 Correct 1 ms 340 KB Output is correct
65 Correct 19 ms 460 KB Output is correct
66 Correct 19 ms 464 KB Output is correct
67 Correct 21 ms 468 KB Output is correct
68 Correct 20 ms 468 KB Output is correct
69 Correct 20 ms 476 KB Output is correct
70 Correct 16 ms 340 KB Output is correct
71 Correct 11 ms 340 KB Output is correct
72 Correct 6 ms 340 KB Output is correct
73 Correct 39 ms 628 KB Output is correct