Submission #991815

# Submission time Handle Problem Language Result Execution time Memory
991815 2024-06-03T07:59:36 Z vjudge1 Amusement Park (CEOI19_amusementpark) C++17
100 / 100
1901 ms 3684 KB
#include<bits/stdc++.h>
using namespace std;
int has[18][18],indep[1<<18];
long long dp[1<<18],mod=998244353;
long long ans;
int main(){
    int n,m;
    cin>>n>>m;
    for(int i=0;i<m;i++){
        int x,y;
        cin>>x>>y;
        x--,y--;
        has[x][y]=1;
        has[y][x]=1;
    }
    for(int i=0;i<1<<n;i++){
        vector<int>v;
        for(int j=0;j<n;j++)
            if(i&1<<j)
                v.push_back(j);
        for(int j=0;j<v.size();j++)
            for(int k=j+1;k<v.size();k++)
                indep[i]|=has[v[j]][v[k]];
        indep[i]^=1;
    }
    dp[0]=1;
    for(int i=1;i<1<<n;i++)
        for(int j=i-1&i;;j=j-1&i){
            int cnt=__builtin_popcount(i)-
                    __builtin_popcount(j);
            dp[i]=(dp[i]+mod+indep[i-j]*dp[j]*(cnt%2*2-1))%mod;
            if(!j) break;
        }
    cout<<(mod+1)/2*dp[(1<<n)-1]%mod*m%mod;
}

Compilation message

amusementpark.cpp: In function 'int main()':
amusementpark.cpp:21:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   21 |         for(int j=0;j<v.size();j++)
      |                     ~^~~~~~~~~
amusementpark.cpp:22:28: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   22 |             for(int k=j+1;k<v.size();k++)
      |                           ~^~~~~~~~~
amusementpark.cpp:28:20: warning: suggest parentheses around '-' in operand of '&' [-Wparentheses]
   28 |         for(int j=i-1&i;;j=j-1&i){
      |                   ~^~
amusementpark.cpp:28:29: warning: suggest parentheses around '-' in operand of '&' [-Wparentheses]
   28 |         for(int j=i-1&i;;j=j-1&i){
      |                            ~^~
# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 344 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 1 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 344 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 1 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 1 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
21 Correct 0 ms 348 KB Output is correct
22 Correct 1 ms 348 KB Output is correct
23 Correct 0 ms 348 KB Output is correct
24 Correct 0 ms 348 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 344 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 1 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 1 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
21 Correct 0 ms 348 KB Output is correct
22 Correct 1 ms 348 KB Output is correct
23 Correct 0 ms 348 KB Output is correct
24 Correct 0 ms 348 KB Output is correct
25 Correct 0 ms 348 KB Output is correct
26 Correct 0 ms 348 KB Output is correct
27 Correct 0 ms 348 KB Output is correct
28 Correct 0 ms 348 KB Output is correct
29 Correct 1 ms 348 KB Output is correct
30 Correct 0 ms 348 KB Output is correct
31 Correct 0 ms 348 KB Output is correct
32 Correct 1 ms 348 KB Output is correct
33 Correct 0 ms 348 KB Output is correct
34 Correct 0 ms 348 KB Output is correct
35 Correct 0 ms 348 KB Output is correct
36 Correct 0 ms 348 KB Output is correct
37 Correct 0 ms 348 KB Output is correct
38 Correct 0 ms 452 KB Output is correct
39 Correct 0 ms 348 KB Output is correct
40 Correct 1 ms 600 KB Output is correct
41 Correct 1 ms 348 KB Output is correct
42 Correct 0 ms 348 KB Output is correct
43 Correct 0 ms 348 KB Output is correct
44 Correct 0 ms 456 KB Output is correct
45 Correct 1 ms 348 KB Output is correct
46 Correct 1 ms 348 KB Output is correct
47 Correct 0 ms 348 KB Output is correct
48 Correct 1 ms 448 KB Output is correct
49 Correct 0 ms 348 KB Output is correct
50 Correct 0 ms 348 KB Output is correct
51 Correct 1 ms 348 KB Output is correct
52 Correct 1 ms 348 KB Output is correct
53 Correct 1 ms 348 KB Output is correct
54 Correct 1 ms 348 KB Output is correct
55 Correct 1 ms 448 KB Output is correct
56 Correct 1 ms 348 KB Output is correct
57 Correct 1 ms 348 KB Output is correct
58 Correct 1 ms 348 KB Output is correct
59 Correct 1 ms 348 KB Output is correct
60 Correct 1 ms 348 KB Output is correct
61 Correct 1 ms 348 KB Output is correct
62 Correct 1 ms 348 KB Output is correct
63 Correct 1 ms 448 KB Output is correct
64 Correct 1 ms 348 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 344 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 1 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 1 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
21 Correct 0 ms 348 KB Output is correct
22 Correct 1 ms 348 KB Output is correct
23 Correct 0 ms 348 KB Output is correct
24 Correct 0 ms 348 KB Output is correct
25 Correct 0 ms 348 KB Output is correct
26 Correct 0 ms 348 KB Output is correct
27 Correct 0 ms 348 KB Output is correct
28 Correct 0 ms 348 KB Output is correct
29 Correct 1 ms 348 KB Output is correct
30 Correct 0 ms 348 KB Output is correct
31 Correct 0 ms 348 KB Output is correct
32 Correct 1 ms 348 KB Output is correct
33 Correct 0 ms 348 KB Output is correct
34 Correct 0 ms 348 KB Output is correct
35 Correct 0 ms 348 KB Output is correct
36 Correct 0 ms 348 KB Output is correct
37 Correct 0 ms 348 KB Output is correct
38 Correct 0 ms 452 KB Output is correct
39 Correct 0 ms 348 KB Output is correct
40 Correct 1 ms 600 KB Output is correct
41 Correct 1 ms 348 KB Output is correct
42 Correct 0 ms 348 KB Output is correct
43 Correct 0 ms 348 KB Output is correct
44 Correct 0 ms 456 KB Output is correct
45 Correct 1 ms 348 KB Output is correct
46 Correct 1 ms 348 KB Output is correct
47 Correct 0 ms 348 KB Output is correct
48 Correct 1 ms 448 KB Output is correct
49 Correct 0 ms 348 KB Output is correct
50 Correct 0 ms 348 KB Output is correct
51 Correct 1 ms 348 KB Output is correct
52 Correct 1 ms 348 KB Output is correct
53 Correct 1 ms 348 KB Output is correct
54 Correct 1 ms 348 KB Output is correct
55 Correct 1 ms 448 KB Output is correct
56 Correct 1 ms 348 KB Output is correct
57 Correct 1 ms 348 KB Output is correct
58 Correct 1 ms 348 KB Output is correct
59 Correct 1 ms 348 KB Output is correct
60 Correct 1 ms 348 KB Output is correct
61 Correct 1 ms 348 KB Output is correct
62 Correct 1 ms 348 KB Output is correct
63 Correct 1 ms 448 KB Output is correct
64 Correct 1 ms 348 KB Output is correct
65 Correct 24 ms 600 KB Output is correct
66 Correct 24 ms 604 KB Output is correct
67 Correct 23 ms 604 KB Output is correct
68 Correct 24 ms 556 KB Output is correct
69 Correct 27 ms 608 KB Output is correct
70 Correct 23 ms 608 KB Output is correct
71 Correct 23 ms 640 KB Output is correct
72 Correct 23 ms 604 KB Output is correct
73 Correct 24 ms 632 KB Output is correct
74 Correct 23 ms 628 KB Output is correct
75 Correct 23 ms 532 KB Output is correct
76 Correct 23 ms 604 KB Output is correct
77 Correct 76 ms 676 KB Output is correct
78 Correct 68 ms 604 KB Output is correct
79 Correct 68 ms 604 KB Output is correct
80 Correct 66 ms 604 KB Output is correct
81 Correct 73 ms 604 KB Output is correct
82 Correct 68 ms 604 KB Output is correct
83 Correct 82 ms 604 KB Output is correct
84 Correct 66 ms 712 KB Output is correct
85 Correct 66 ms 752 KB Output is correct
86 Correct 67 ms 604 KB Output is correct
87 Correct 68 ms 604 KB Output is correct
88 Correct 66 ms 604 KB Output is correct
89 Correct 66 ms 604 KB Output is correct
90 Correct 66 ms 604 KB Output is correct
91 Correct 71 ms 728 KB Output is correct
92 Correct 67 ms 736 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 344 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 1 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 1 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
21 Correct 0 ms 348 KB Output is correct
22 Correct 1 ms 348 KB Output is correct
23 Correct 0 ms 348 KB Output is correct
24 Correct 0 ms 348 KB Output is correct
25 Correct 0 ms 348 KB Output is correct
26 Correct 0 ms 348 KB Output is correct
27 Correct 0 ms 348 KB Output is correct
28 Correct 0 ms 348 KB Output is correct
29 Correct 1 ms 348 KB Output is correct
30 Correct 0 ms 348 KB Output is correct
31 Correct 0 ms 348 KB Output is correct
32 Correct 1 ms 348 KB Output is correct
33 Correct 0 ms 348 KB Output is correct
34 Correct 0 ms 348 KB Output is correct
35 Correct 0 ms 348 KB Output is correct
36 Correct 0 ms 348 KB Output is correct
37 Correct 0 ms 348 KB Output is correct
38 Correct 0 ms 452 KB Output is correct
39 Correct 0 ms 348 KB Output is correct
40 Correct 1 ms 600 KB Output is correct
41 Correct 1 ms 348 KB Output is correct
42 Correct 0 ms 348 KB Output is correct
43 Correct 0 ms 348 KB Output is correct
44 Correct 0 ms 456 KB Output is correct
45 Correct 1 ms 348 KB Output is correct
46 Correct 1 ms 348 KB Output is correct
47 Correct 0 ms 348 KB Output is correct
48 Correct 1 ms 448 KB Output is correct
49 Correct 0 ms 348 KB Output is correct
50 Correct 0 ms 348 KB Output is correct
51 Correct 1 ms 348 KB Output is correct
52 Correct 1 ms 348 KB Output is correct
53 Correct 1 ms 348 KB Output is correct
54 Correct 1 ms 348 KB Output is correct
55 Correct 1 ms 448 KB Output is correct
56 Correct 1 ms 348 KB Output is correct
57 Correct 1 ms 348 KB Output is correct
58 Correct 1 ms 348 KB Output is correct
59 Correct 1 ms 348 KB Output is correct
60 Correct 1 ms 348 KB Output is correct
61 Correct 1 ms 348 KB Output is correct
62 Correct 1 ms 348 KB Output is correct
63 Correct 1 ms 448 KB Output is correct
64 Correct 1 ms 348 KB Output is correct
65 Correct 24 ms 600 KB Output is correct
66 Correct 24 ms 604 KB Output is correct
67 Correct 23 ms 604 KB Output is correct
68 Correct 24 ms 556 KB Output is correct
69 Correct 27 ms 608 KB Output is correct
70 Correct 23 ms 608 KB Output is correct
71 Correct 23 ms 640 KB Output is correct
72 Correct 23 ms 604 KB Output is correct
73 Correct 24 ms 632 KB Output is correct
74 Correct 23 ms 628 KB Output is correct
75 Correct 23 ms 532 KB Output is correct
76 Correct 23 ms 604 KB Output is correct
77 Correct 76 ms 676 KB Output is correct
78 Correct 68 ms 604 KB Output is correct
79 Correct 68 ms 604 KB Output is correct
80 Correct 66 ms 604 KB Output is correct
81 Correct 73 ms 604 KB Output is correct
82 Correct 68 ms 604 KB Output is correct
83 Correct 82 ms 604 KB Output is correct
84 Correct 66 ms 712 KB Output is correct
85 Correct 66 ms 752 KB Output is correct
86 Correct 67 ms 604 KB Output is correct
87 Correct 68 ms 604 KB Output is correct
88 Correct 66 ms 604 KB Output is correct
89 Correct 66 ms 604 KB Output is correct
90 Correct 66 ms 604 KB Output is correct
91 Correct 71 ms 728 KB Output is correct
92 Correct 67 ms 736 KB Output is correct
93 Correct 1832 ms 3268 KB Output is correct
94 Correct 1792 ms 3392 KB Output is correct
95 Correct 1799 ms 3668 KB Output is correct
96 Correct 1752 ms 3276 KB Output is correct
97 Correct 1854 ms 3412 KB Output is correct
98 Correct 1838 ms 3412 KB Output is correct
99 Correct 199 ms 1112 KB Output is correct
100 Correct 196 ms 1116 KB Output is correct
101 Correct 191 ms 1120 KB Output is correct
102 Correct 202 ms 1368 KB Output is correct
103 Correct 579 ms 1876 KB Output is correct
104 Correct 585 ms 2132 KB Output is correct
105 Correct 584 ms 1876 KB Output is correct
106 Correct 589 ms 1824 KB Output is correct
107 Correct 1749 ms 3388 KB Output is correct
108 Correct 1812 ms 3444 KB Output is correct
109 Correct 1742 ms 3424 KB Output is correct
110 Correct 1757 ms 3684 KB Output is correct
111 Correct 191 ms 1236 KB Output is correct
112 Correct 199 ms 992 KB Output is correct
113 Correct 196 ms 1144 KB Output is correct
114 Correct 192 ms 972 KB Output is correct
115 Correct 191 ms 1108 KB Output is correct
116 Correct 194 ms 1112 KB Output is correct
117 Correct 193 ms 972 KB Output is correct
118 Correct 220 ms 1104 KB Output is correct
119 Correct 196 ms 1108 KB Output is correct
120 Correct 191 ms 1108 KB Output is correct
121 Correct 192 ms 1120 KB Output is correct
122 Correct 606 ms 1840 KB Output is correct
123 Correct 577 ms 1756 KB Output is correct
124 Correct 574 ms 1916 KB Output is correct
125 Correct 622 ms 1960 KB Output is correct
126 Correct 597 ms 1904 KB Output is correct
127 Correct 583 ms 1876 KB Output is correct
128 Correct 580 ms 1876 KB Output is correct
129 Correct 578 ms 1964 KB Output is correct
130 Correct 585 ms 1876 KB Output is correct
131 Correct 604 ms 1876 KB Output is correct
132 Correct 575 ms 1832 KB Output is correct
133 Correct 591 ms 1904 KB Output is correct
134 Correct 592 ms 2212 KB Output is correct
135 Correct 578 ms 1736 KB Output is correct
136 Correct 625 ms 1880 KB Output is correct
137 Correct 581 ms 1980 KB Output is correct
138 Correct 585 ms 1888 KB Output is correct
139 Correct 575 ms 1876 KB Output is correct
140 Correct 576 ms 1956 KB Output is correct
141 Correct 591 ms 1832 KB Output is correct
142 Correct 1804 ms 3476 KB Output is correct
143 Correct 1821 ms 3496 KB Output is correct
144 Correct 1797 ms 3420 KB Output is correct
145 Correct 1875 ms 3412 KB Output is correct
146 Correct 1822 ms 3412 KB Output is correct
147 Correct 1896 ms 3412 KB Output is correct
148 Correct 1829 ms 3496 KB Output is correct
149 Correct 1787 ms 3492 KB Output is correct
150 Correct 1742 ms 3428 KB Output is correct
151 Correct 1773 ms 3364 KB Output is correct
152 Correct 1762 ms 3412 KB Output is correct
153 Correct 1789 ms 3408 KB Output is correct
154 Correct 1834 ms 3404 KB Output is correct
155 Correct 1834 ms 3300 KB Output is correct
156 Correct 1830 ms 3344 KB Output is correct
157 Correct 1801 ms 3496 KB Output is correct
158 Correct 1748 ms 3412 KB Output is correct
159 Correct 1901 ms 3344 KB Output is correct
160 Correct 1771 ms 3412 KB Output is correct
161 Correct 1785 ms 3412 KB Output is correct
162 Correct 1773 ms 3436 KB Output is correct
163 Correct 1770 ms 3440 KB Output is correct
164 Correct 1841 ms 3412 KB Output is correct
165 Correct 1766 ms 3460 KB Output is correct
166 Correct 1868 ms 3308 KB Output is correct
167 Correct 1786 ms 3500 KB Output is correct