oj.uz

Submission #208161

# Submission time Handle Problem Language Result Execution time Memory
208161 2020-03-10T06:39:35 Z E869120 Amusement Park (CEOI19_amusementpark) C++14
100 / 100
 2606 ms 266744 KB 
#include <iostream>
#include <algorithm>
#include <vector>
using namespace std;
#pragma warning (disable: 4996)

int mod = 998244353;
int N, M, A[1009], B[1009];
int dp[387420489], power3[19], col[19];
vector<int> X[1009];

int main() {
	cin >> N >> M;
	for (int i = 1; i <= M; i++) { cin >> A[i] >> B[i]; A[i]--; B[i]--; }
	for (int i = 1; i <= M; i++) { X[A[i]].push_back(B[i]); X[B[i]].push_back(A[i]); }
	
	power3[0] = 1;
	for (int i = 1; i <= N; i++) power3[i] = 3LL * power3[i - 1];
	for (int i = 0; i < N; i++) {
		int ret = 2 * power3[i];
		for (int j = i + 1; j < N; j++) ret += power3[j];
		for (int j : X[i]) { if (j < i) ret += power3[j]; }
		dp[ret] = 1;
	}

	for (int i = 0; i < power3[N]; i++) {
		if (dp[i] == 0) continue;

		int val = 0;
		for (int j = 0; j < N; j++) col[j] = (i / power3[j]) % 3;
		for (int j = 0; j < N; j++) {
			if (col[j] != 1) continue;
			int ret = i + power3[j] - val;
			for (int k : X[j]) { if ((col[k] == 1 && k < j) || col[k] == 0) ret += power3[k]; }
			dp[ret] += dp[i]; val += power3[j];
			if (dp[ret] >= mod) dp[ret] -= mod;
		}
	}

	long long val = dp[power3[N] - 1];
	val *= M; val %= mod;
	if (val % 2 == 1) val += mod; val /= 2LL;
	cout << val << endl;
	return 0;
}

Compilation message

amusementpark.cpp:5:0: warning: ignoring #pragma warning  [-Wunknown-pragmas]
 #pragma warning (disable: 4996)
 
amusementpark.cpp: In function 'int main()':
amusementpark.cpp:42:2: warning: this 'if' clause does not guard... [-Wmisleading-indentation]
  if (val % 2 == 1) val += mod; val /= 2LL;
  ^~
amusementpark.cpp:42:32: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'if'
  if (val % 2 == 1) val += mod; val /= 2LL;
                                ^~~

Subtask #1
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 376 KB Output is correct
2 Correct 5 ms 376 KB Output is correct
3 Correct 5 ms 376 KB Output is correct
4 Correct 6 ms 376 KB Output is correct
5 Correct 5 ms 376 KB Output is correct
6 Correct 5 ms 376 KB Output is correct
7 Correct 5 ms 376 KB Output is correct
8 Correct 5 ms 376 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 376 KB Output is correct
2 Correct 5 ms 376 KB Output is correct
3 Correct 5 ms 376 KB Output is correct
4 Correct 6 ms 376 KB Output is correct
5 Correct 5 ms 376 KB Output is correct
6 Correct 5 ms 376 KB Output is correct
7 Correct 5 ms 376 KB Output is correct
8 Correct 5 ms 376 KB Output is correct
9 Correct 5 ms 376 KB Output is correct
10 Correct 5 ms 376 KB Output is correct
11 Correct 5 ms 376 KB Output is correct
12 Correct 5 ms 376 KB Output is correct
13 Correct 5 ms 376 KB Output is correct
14 Correct 5 ms 376 KB Output is correct
15 Correct 5 ms 376 KB Output is correct
16 Correct 5 ms 376 KB Output is correct
17 Correct 5 ms 376 KB Output is correct
18 Correct 5 ms 376 KB Output is correct
19 Correct 5 ms 376 KB Output is correct
20 Correct 5 ms 376 KB Output is correct
21 Correct 5 ms 376 KB Output is correct
22 Correct 5 ms 376 KB Output is correct
23 Correct 5 ms 376 KB Output is correct
24 Correct 5 ms 380 KB Output is correct

Subtask #3
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 376 KB Output is correct
2 Correct 5 ms 376 KB Output is correct
3 Correct 5 ms 376 KB Output is correct
4 Correct 6 ms 376 KB Output is correct
5 Correct 5 ms 376 KB Output is correct
6 Correct 5 ms 376 KB Output is correct
7 Correct 5 ms 376 KB Output is correct
8 Correct 5 ms 376 KB Output is correct
9 Correct 5 ms 376 KB Output is correct
10 Correct 5 ms 376 KB Output is correct
11 Correct 5 ms 376 KB Output is correct
12 Correct 5 ms 376 KB Output is correct
13 Correct 5 ms 376 KB Output is correct
14 Correct 5 ms 376 KB Output is correct
15 Correct 5 ms 376 KB Output is correct
16 Correct 5 ms 376 KB Output is correct
17 Correct 5 ms 376 KB Output is correct
18 Correct 5 ms 376 KB Output is correct
19 Correct 5 ms 376 KB Output is correct
20 Correct 5 ms 376 KB Output is correct
21 Correct 5 ms 376 KB Output is correct
22 Correct 5 ms 376 KB Output is correct
23 Correct 5 ms 376 KB Output is correct
24 Correct 5 ms 380 KB Output is correct
25 Correct 5 ms 376 KB Output is correct
26 Correct 5 ms 376 KB Output is correct
27 Correct 5 ms 376 KB Output is correct
28 Correct 5 ms 380 KB Output is correct
29 Correct 5 ms 552 KB Output is correct
30 Correct 5 ms 376 KB Output is correct
31 Correct 5 ms 376 KB Output is correct
32 Correct 5 ms 376 KB Output is correct
33 Correct 5 ms 376 KB Output is correct
34 Correct 5 ms 376 KB Output is correct
35 Correct 5 ms 376 KB Output is correct
36 Correct 5 ms 376 KB Output is correct
37 Correct 5 ms 376 KB Output is correct
38 Correct 5 ms 376 KB Output is correct
39 Correct 5 ms 376 KB Output is correct
40 Correct 5 ms 376 KB Output is correct
41 Correct 5 ms 376 KB Output is correct
42 Correct 5 ms 376 KB Output is correct
43 Correct 5 ms 376 KB Output is correct
44 Correct 5 ms 376 KB Output is correct
45 Correct 5 ms 376 KB Output is correct
46 Correct 5 ms 376 KB Output is correct
47 Correct 5 ms 376 KB Output is correct
48 Correct 5 ms 376 KB Output is correct
49 Correct 5 ms 376 KB Output is correct
50 Correct 5 ms 376 KB Output is correct
51 Correct 5 ms 376 KB Output is correct
52 Correct 5 ms 376 KB Output is correct
53 Correct 5 ms 504 KB Output is correct
54 Correct 5 ms 504 KB Output is correct
55 Correct 5 ms 376 KB Output is correct
56 Correct 6 ms 504 KB Output is correct
57 Correct 6 ms 504 KB Output is correct
58 Correct 6 ms 376 KB Output is correct
59 Correct 5 ms 376 KB Output is correct
60 Correct 5 ms 376 KB Output is correct
61 Correct 5 ms 504 KB Output is correct
62 Correct 5 ms 504 KB Output is correct
63 Correct 5 ms 376 KB Output is correct
64 Correct 5 ms 376 KB Output is correct

Subtask #4
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 376 KB Output is correct
2 Correct 5 ms 376 KB Output is correct
3 Correct 5 ms 376 KB Output is correct
4 Correct 6 ms 376 KB Output is correct
5 Correct 5 ms 376 KB Output is correct
6 Correct 5 ms 376 KB Output is correct
7 Correct 5 ms 376 KB Output is correct
8 Correct 5 ms 376 KB Output is correct
9 Correct 5 ms 376 KB Output is correct
10 Correct 5 ms 376 KB Output is correct
11 Correct 5 ms 376 KB Output is correct
12 Correct 5 ms 376 KB Output is correct
13 Correct 5 ms 376 KB Output is correct
14 Correct 5 ms 376 KB Output is correct
15 Correct 5 ms 376 KB Output is correct
16 Correct 5 ms 376 KB Output is correct
17 Correct 5 ms 376 KB Output is correct
18 Correct 5 ms 376 KB Output is correct
19 Correct 5 ms 376 KB Output is correct
20 Correct 5 ms 376 KB Output is correct
21 Correct 5 ms 376 KB Output is correct
22 Correct 5 ms 376 KB Output is correct
23 Correct 5 ms 376 KB Output is correct
24 Correct 5 ms 380 KB Output is correct
25 Correct 5 ms 376 KB Output is correct
26 Correct 5 ms 376 KB Output is correct
27 Correct 5 ms 376 KB Output is correct
28 Correct 5 ms 380 KB Output is correct
29 Correct 5 ms 552 KB Output is correct
30 Correct 5 ms 376 KB Output is correct
31 Correct 5 ms 376 KB Output is correct
32 Correct 5 ms 376 KB Output is correct
33 Correct 5 ms 376 KB Output is correct
34 Correct 5 ms 376 KB Output is correct
35 Correct 5 ms 376 KB Output is correct
36 Correct 5 ms 376 KB Output is correct
37 Correct 5 ms 376 KB Output is correct
38 Correct 5 ms 376 KB Output is correct
39 Correct 5 ms 376 KB Output is correct
40 Correct 5 ms 376 KB Output is correct
41 Correct 5 ms 376 KB Output is correct
42 Correct 5 ms 376 KB Output is correct
43 Correct 5 ms 376 KB Output is correct
44 Correct 5 ms 376 KB Output is correct
45 Correct 5 ms 376 KB Output is correct
46 Correct 5 ms 376 KB Output is correct
47 Correct 5 ms 376 KB Output is correct
48 Correct 5 ms 376 KB Output is correct
49 Correct 5 ms 376 KB Output is correct
50 Correct 5 ms 376 KB Output is correct
51 Correct 5 ms 376 KB Output is correct
52 Correct 5 ms 376 KB Output is correct
53 Correct 5 ms 504 KB Output is correct
54 Correct 5 ms 504 KB Output is correct
55 Correct 5 ms 376 KB Output is correct
56 Correct 6 ms 504 KB Output is correct
57 Correct 6 ms 504 KB Output is correct
58 Correct 6 ms 376 KB Output is correct
59 Correct 5 ms 376 KB Output is correct
60 Correct 5 ms 376 KB Output is correct
61 Correct 5 ms 504 KB Output is correct
62 Correct 5 ms 504 KB Output is correct
63 Correct 5 ms 376 KB Output is correct
64 Correct 5 ms 376 KB Output is correct
65 Correct 39 ms 4344 KB Output is correct
66 Correct 49 ms 4964 KB Output is correct
67 Correct 55 ms 4216 KB Output is correct
68 Correct 60 ms 4088 KB Output is correct
69 Correct 19 ms 3576 KB Output is correct
70 Correct 22 ms 3576 KB Output is correct
71 Correct 21 ms 3192 KB Output is correct
72 Correct 21 ms 2552 KB Output is correct
73 Correct 26 ms 3576 KB Output is correct
74 Correct 25 ms 3192 KB Output is correct
75 Correct 24 ms 2808 KB Output is correct
76 Correct 24 ms 2296 KB Output is correct
77 Correct 72 ms 14588 KB Output is correct
78 Correct 84 ms 13176 KB Output is correct
79 Correct 116 ms 13176 KB Output is correct
80 Correct 116 ms 10104 KB Output is correct
81 Correct 142 ms 10488 KB Output is correct
82 Correct 150 ms 10232 KB Output is correct
83 Correct 153 ms 7416 KB Output is correct
84 Correct 128 ms 6392 KB Output is correct
85 Correct 45 ms 7800 KB Output is correct
86 Correct 48 ms 7752 KB Output is correct
87 Correct 48 ms 6908 KB Output is correct
88 Correct 48 ms 5496 KB Output is correct
89 Correct 55 ms 7800 KB Output is correct
90 Correct 55 ms 6948 KB Output is correct
91 Correct 58 ms 6136 KB Output is correct
92 Correct 53 ms 5112 KB Output is correct

Subtask #5
37.0 / 37.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 376 KB Output is correct
2 Correct 5 ms 376 KB Output is correct
3 Correct 5 ms 376 KB Output is correct
4 Correct 6 ms 376 KB Output is correct
5 Correct 5 ms 376 KB Output is correct
6 Correct 5 ms 376 KB Output is correct
7 Correct 5 ms 376 KB Output is correct
8 Correct 5 ms 376 KB Output is correct
9 Correct 5 ms 376 KB Output is correct
10 Correct 5 ms 376 KB Output is correct
11 Correct 5 ms 376 KB Output is correct
12 Correct 5 ms 376 KB Output is correct
13 Correct 5 ms 376 KB Output is correct
14 Correct 5 ms 376 KB Output is correct
15 Correct 5 ms 376 KB Output is correct
16 Correct 5 ms 376 KB Output is correct
17 Correct 5 ms 376 KB Output is correct
18 Correct 5 ms 376 KB Output is correct
19 Correct 5 ms 376 KB Output is correct
20 Correct 5 ms 376 KB Output is correct
21 Correct 5 ms 376 KB Output is correct
22 Correct 5 ms 376 KB Output is correct
23 Correct 5 ms 376 KB Output is correct
24 Correct 5 ms 380 KB Output is correct
25 Correct 5 ms 376 KB Output is correct
26 Correct 5 ms 376 KB Output is correct
27 Correct 5 ms 376 KB Output is correct
28 Correct 5 ms 380 KB Output is correct
29 Correct 5 ms 552 KB Output is correct
30 Correct 5 ms 376 KB Output is correct
31 Correct 5 ms 376 KB Output is correct
32 Correct 5 ms 376 KB Output is correct
33 Correct 5 ms 376 KB Output is correct
34 Correct 5 ms 376 KB Output is correct
35 Correct 5 ms 376 KB Output is correct
36 Correct 5 ms 376 KB Output is correct
37 Correct 5 ms 376 KB Output is correct
38 Correct 5 ms 376 KB Output is correct
39 Correct 5 ms 376 KB Output is correct
40 Correct 5 ms 376 KB Output is correct
41 Correct 5 ms 376 KB Output is correct
42 Correct 5 ms 376 KB Output is correct
43 Correct 5 ms 376 KB Output is correct
44 Correct 5 ms 376 KB Output is correct
45 Correct 5 ms 376 KB Output is correct
46 Correct 5 ms 376 KB Output is correct
47 Correct 5 ms 376 KB Output is correct
48 Correct 5 ms 376 KB Output is correct
49 Correct 5 ms 376 KB Output is correct
50 Correct 5 ms 376 KB Output is correct
51 Correct 5 ms 376 KB Output is correct
52 Correct 5 ms 376 KB Output is correct
53 Correct 5 ms 504 KB Output is correct
54 Correct 5 ms 504 KB Output is correct
55 Correct 5 ms 376 KB Output is correct
56 Correct 6 ms 504 KB Output is correct
57 Correct 6 ms 504 KB Output is correct
58 Correct 6 ms 376 KB Output is correct
59 Correct 5 ms 376 KB Output is correct
60 Correct 5 ms 376 KB Output is correct
61 Correct 5 ms 504 KB Output is correct
62 Correct 5 ms 504 KB Output is correct
63 Correct 5 ms 376 KB Output is correct
64 Correct 5 ms 376 KB Output is correct
65 Correct 39 ms 4344 KB Output is correct
66 Correct 49 ms 4964 KB Output is correct
67 Correct 55 ms 4216 KB Output is correct
68 Correct 60 ms 4088 KB Output is correct
69 Correct 19 ms 3576 KB Output is correct
70 Correct 22 ms 3576 KB Output is correct
71 Correct 21 ms 3192 KB Output is correct
72 Correct 21 ms 2552 KB Output is correct
73 Correct 26 ms 3576 KB Output is correct
74 Correct 25 ms 3192 KB Output is correct
75 Correct 24 ms 2808 KB Output is correct
76 Correct 24 ms 2296 KB Output is correct
77 Correct 72 ms 14588 KB Output is correct
78 Correct 84 ms 13176 KB Output is correct
79 Correct 116 ms 13176 KB Output is correct
80 Correct 116 ms 10104 KB Output is correct
81 Correct 142 ms 10488 KB Output is correct
82 Correct 150 ms 10232 KB Output is correct
83 Correct 153 ms 7416 KB Output is correct
84 Correct 128 ms 6392 KB Output is correct
85 Correct 45 ms 7800 KB Output is correct
86 Correct 48 ms 7752 KB Output is correct
87 Correct 48 ms 6908 KB Output is correct
88 Correct 48 ms 5496 KB Output is correct
89 Correct 55 ms 7800 KB Output is correct
90 Correct 55 ms 6948 KB Output is correct
91 Correct 58 ms 6136 KB Output is correct
92 Correct 53 ms 5112 KB Output is correct
93 Correct 802 ms 80688 KB Output is correct
94 Correct 646 ms 38648 KB Output is correct
95 Correct 583 ms 30588 KB Output is correct
96 Correct 878 ms 80504 KB Output is correct
97 Correct 895 ms 80504 KB Output is correct
98 Correct 796 ms 80632 KB Output is correct
99 Correct 143 ms 33272 KB Output is correct
100 Correct 198 ms 30840 KB Output is correct
101 Correct 266 ms 34168 KB Output is correct
102 Correct 317 ms 30968 KB Output is correct
103 Correct 209 ms 14200 KB Output is correct
104 Correct 202 ms 14200 KB Output is correct
105 Correct 266 ms 46840 KB Output is correct
106 Correct 446 ms 68216 KB Output is correct
107 Correct 594 ms 28920 KB Output is correct
108 Correct 740 ms 84604 KB Output is correct
109 Correct 1131 ms 176152 KB Output is correct
110 Correct 1978 ms 266744 KB Output is correct
111 Correct 362 ms 33656 KB Output is correct
112 Correct 334 ms 16892 KB Output is correct
113 Correct 376 ms 20472 KB Output is correct
114 Correct 107 ms 16888 KB Output is correct
115 Correct 121 ms 16760 KB Output is correct
116 Correct 132 ms 15224 KB Output is correct
117 Correct 122 ms 11868 KB Output is correct
118 Correct 135 ms 16760 KB Output is correct
119 Correct 135 ms 15224 KB Output is correct
120 Correct 128 ms 13560 KB Output is correct
121 Correct 128 ms 11384 KB Output is correct
122 Correct 579 ms 75636 KB Output is correct
123 Correct 867 ms 86008 KB Output is correct
124 Correct 908 ms 65272 KB Output is correct
125 Correct 956 ms 58872 KB Output is correct
126 Correct 939 ms 49528 KB Output is correct
127 Correct 816 ms 33272 KB Output is correct
128 Correct 685 ms 24228 KB Output is correct
129 Correct 516 ms 16760 KB Output is correct
130 Correct 321 ms 10108 KB Output is correct
131 Correct 265 ms 36728 KB Output is correct
132 Correct 309 ms 36728 KB Output is correct
133 Correct 304 ms 33528 KB Output is correct
134 Correct 304 ms 26360 KB Output is correct
135 Correct 354 ms 36728 KB Output is correct
136 Correct 326 ms 33528 KB Output is correct
137 Correct 338 ms 30584 KB Output is correct
138 Correct 323 ms 25592 KB Output is correct
139 Correct 366 ms 36600 KB Output is correct
140 Correct 370 ms 29048 KB Output is correct
141 Correct 362 ms 23544 KB Output is correct
142 Correct 1988 ms 167100 KB Output is correct
143 Correct 2422 ms 145152 KB Output is correct
144 Correct 2260 ms 92920 KB Output is correct
145 Correct 2019 ms 73976 KB Output is correct
146 Correct 1486 ms 51064 KB Output is correct
147 Correct 865 ms 20280 KB Output is correct
148 Correct 2247 ms 169860 KB Output is correct
149 Correct 2210 ms 125556 KB Output is correct
150 Correct 2606 ms 177528 KB Output is correct
151 Correct 802 ms 60152 KB Output is correct
152 Correct 800 ms 65356 KB Output is correct
153 Correct 936 ms 80352 KB Output is correct
154 Correct 893 ms 80248 KB Output is correct
155 Correct 883 ms 65808 KB Output is correct
156 Correct 916 ms 57328 KB Output is correct
157 Correct 938 ms 74216 KB Output is correct
158 Correct 939 ms 67832 KB Output is correct
159 Correct 969 ms 80044 KB Output is correct
160 Correct 985 ms 67684 KB Output is correct
161 Correct 949 ms 53496 KB Output is correct
162 Correct 1006 ms 78620 KB Output is correct
163 Correct 1000 ms 73592 KB Output is correct
164 Correct 981 ms 67736 KB Output is correct
165 Correct 960 ms 61432 KB Output is correct
166 Correct 928 ms 55032 KB Output is correct
167 Correct 976 ms 47992 KB Output is correct