oj.uz

Submission #1066683

# Submission time Handle Problem Language Result Execution time Memory
1066683 2024-08-20T04:53:30 Z vjudge1 Amusement Park (CEOI19_amusementpark) C++17
63 / 100
 2257 ms 2640 KB 
#include<bits/stdc++.h>
using namespace std;
typedef long long ll;
bitset<1<<20>indep;
ll dp[1<<20];
const ll mod=998244353;
int EDG[20][20];
int main(){
    int n,m;
    cin>>n>>m;
    for(int i=0;i<m;i++){
        int a,b;
        cin>>a>>b;
        EDG[a][b]=1;
    }
    for(int i=1;i<1<<n;i++){
        vector<int>v;
        for(int j=0;j<n;j++)
            if(i&1<<j)
                v.push_back(j+1);
        int bad=0;
        for(auto i:v)
            for(auto j:v)
                if(EDG[i][j])
                    bad=1;
        indep[i]=!bad;
    }
    dp[0]=1;
    for(int i=1;i<1<<n;i++)
        for(int j=i;j;j=j-1&i)if(indep[j]){
            int cnt=__builtin_popcount(j);
            dp[i]=(dp[i]+dp[i^j]*(cnt&1?1:-1))%mod;
        }
    cout<<dp[(1<<n)-1]*m%mod*499122177ll%mod<<'\n';
}

Compilation message

amusementpark.cpp: In function 'int main()':
amusementpark.cpp:30:26: warning: suggest parentheses around '-' in operand of '&' [-Wparentheses]
   30 |         for(int j=i;j;j=j-1&i)if(indep[j]){
      |                         ~^~

Subtask #1
7.0 / 7.0

# 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 348 KB Output is correct
4 Correct 0 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 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct

Subtask #2
12.0 / 12.0

# 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 348 KB Output is correct
4 Correct 0 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 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 344 KB Output is correct
10 Correct 1 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 344 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 0 ms 344 KB Output is correct
23 Correct 0 ms 452 KB Output is correct
24 Correct 0 ms 348 KB Output is correct

Subtask #3
23.0 / 23.0

# 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 348 KB Output is correct
4 Correct 0 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 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 344 KB Output is correct
10 Correct 1 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 344 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 0 ms 344 KB Output is correct
23 Correct 0 ms 452 KB Output is correct
24 Correct 0 ms 348 KB Output is correct
25 Correct 1 ms 348 KB Output is correct
26 Correct 1 ms 344 KB Output is correct
27 Correct 0 ms 348 KB Output is correct
28 Correct 0 ms 344 KB Output is correct
29 Correct 0 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 0 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 1 ms 600 KB Output is correct
36 Correct 1 ms 348 KB Output is correct
37 Correct 0 ms 348 KB Output is correct
38 Correct 0 ms 348 KB Output is correct
39 Correct 0 ms 348 KB Output is correct
40 Correct 0 ms 348 KB Output is correct
41 Correct 0 ms 348 KB Output is correct
42 Correct 0 ms 348 KB Output is correct
43 Correct 0 ms 344 KB Output is correct
44 Correct 0 ms 348 KB Output is correct
45 Correct 0 ms 348 KB Output is correct
46 Correct 0 ms 448 KB Output is correct
47 Correct 0 ms 444 KB Output is correct
48 Correct 0 ms 348 KB Output is correct
49 Correct 0 ms 348 KB Output is correct
50 Correct 0 ms 348 KB Output is correct
51 Correct 0 ms 348 KB Output is correct
52 Correct 1 ms 348 KB Output is correct
53 Correct 0 ms 348 KB Output is correct
54 Correct 1 ms 348 KB Output is correct
55 Correct 1 ms 344 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 0 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 600 KB Output is correct
63 Correct 0 ms 348 KB Output is correct
64 Correct 1 ms 412 KB Output is correct

Subtask #4
21.0 / 21.0

# 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 348 KB Output is correct
4 Correct 0 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 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 344 KB Output is correct
10 Correct 1 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 344 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 0 ms 344 KB Output is correct
23 Correct 0 ms 452 KB Output is correct
24 Correct 0 ms 348 KB Output is correct
25 Correct 1 ms 348 KB Output is correct
26 Correct 1 ms 344 KB Output is correct
27 Correct 0 ms 348 KB Output is correct
28 Correct 0 ms 344 KB Output is correct
29 Correct 0 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 0 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 1 ms 600 KB Output is correct
36 Correct 1 ms 348 KB Output is correct
37 Correct 0 ms 348 KB Output is correct
38 Correct 0 ms 348 KB Output is correct
39 Correct 0 ms 348 KB Output is correct
40 Correct 0 ms 348 KB Output is correct
41 Correct 0 ms 348 KB Output is correct
42 Correct 0 ms 348 KB Output is correct
43 Correct 0 ms 344 KB Output is correct
44 Correct 0 ms 348 KB Output is correct
45 Correct 0 ms 348 KB Output is correct
46 Correct 0 ms 448 KB Output is correct
47 Correct 0 ms 444 KB Output is correct
48 Correct 0 ms 348 KB Output is correct
49 Correct 0 ms 348 KB Output is correct
50 Correct 0 ms 348 KB Output is correct
51 Correct 0 ms 348 KB Output is correct
52 Correct 1 ms 348 KB Output is correct
53 Correct 0 ms 348 KB Output is correct
54 Correct 1 ms 348 KB Output is correct
55 Correct 1 ms 344 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 0 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 600 KB Output is correct
63 Correct 0 ms 348 KB Output is correct
64 Correct 1 ms 412 KB Output is correct
65 Correct 11 ms 512 KB Output is correct
66 Correct 11 ms 348 KB Output is correct
67 Correct 10 ms 344 KB Output is correct
68 Correct 10 ms 572 KB Output is correct
69 Correct 20 ms 560 KB Output is correct
70 Correct 15 ms 580 KB Output is correct
71 Correct 16 ms 344 KB Output is correct
72 Correct 17 ms 348 KB Output is correct
73 Correct 12 ms 516 KB Output is correct
74 Correct 13 ms 348 KB Output is correct
75 Correct 15 ms 600 KB Output is correct
76 Correct 14 ms 344 KB Output is correct
77 Correct 31 ms 660 KB Output is correct
78 Correct 29 ms 604 KB Output is correct
79 Correct 28 ms 604 KB Output is correct
80 Correct 26 ms 604 KB Output is correct
81 Correct 26 ms 604 KB Output is correct
82 Correct 24 ms 604 KB Output is correct
83 Correct 24 ms 680 KB Output is correct
84 Correct 24 ms 604 KB Output is correct
85 Correct 61 ms 564 KB Output is correct
86 Correct 42 ms 668 KB Output is correct
87 Correct 46 ms 596 KB Output is correct
88 Correct 49 ms 596 KB Output is correct
89 Correct 33 ms 604 KB Output is correct
90 Correct 35 ms 552 KB Output is correct
91 Correct 41 ms 596 KB Output is correct
92 Correct 39 ms 600 KB Output is correct

Subtask #5
0 / 37.0

# 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 348 KB Output is correct
4 Correct 0 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 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 344 KB Output is correct
10 Correct 1 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 344 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 0 ms 344 KB Output is correct
23 Correct 0 ms 452 KB Output is correct
24 Correct 0 ms 348 KB Output is correct
25 Correct 1 ms 348 KB Output is correct
26 Correct 1 ms 344 KB Output is correct
27 Correct 0 ms 348 KB Output is correct
28 Correct 0 ms 344 KB Output is correct
29 Correct 0 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 0 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 1 ms 600 KB Output is correct
36 Correct 1 ms 348 KB Output is correct
37 Correct 0 ms 348 KB Output is correct
38 Correct 0 ms 348 KB Output is correct
39 Correct 0 ms 348 KB Output is correct
40 Correct 0 ms 348 KB Output is correct
41 Correct 0 ms 348 KB Output is correct
42 Correct 0 ms 348 KB Output is correct
43 Correct 0 ms 344 KB Output is correct
44 Correct 0 ms 348 KB Output is correct
45 Correct 0 ms 348 KB Output is correct
46 Correct 0 ms 448 KB Output is correct
47 Correct 0 ms 444 KB Output is correct
48 Correct 0 ms 348 KB Output is correct
49 Correct 0 ms 348 KB Output is correct
50 Correct 0 ms 348 KB Output is correct
51 Correct 0 ms 348 KB Output is correct
52 Correct 1 ms 348 KB Output is correct
53 Correct 0 ms 348 KB Output is correct
54 Correct 1 ms 348 KB Output is correct
55 Correct 1 ms 344 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 0 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 600 KB Output is correct
63 Correct 0 ms 348 KB Output is correct
64 Correct 1 ms 412 KB Output is correct
65 Correct 11 ms 512 KB Output is correct
66 Correct 11 ms 348 KB Output is correct
67 Correct 10 ms 344 KB Output is correct
68 Correct 10 ms 572 KB Output is correct
69 Correct 20 ms 560 KB Output is correct
70 Correct 15 ms 580 KB Output is correct
71 Correct 16 ms 344 KB Output is correct
72 Correct 17 ms 348 KB Output is correct
73 Correct 12 ms 516 KB Output is correct
74 Correct 13 ms 348 KB Output is correct
75 Correct 15 ms 600 KB Output is correct
76 Correct 14 ms 344 KB Output is correct
77 Correct 31 ms 660 KB Output is correct
78 Correct 29 ms 604 KB Output is correct
79 Correct 28 ms 604 KB Output is correct
80 Correct 26 ms 604 KB Output is correct
81 Correct 26 ms 604 KB Output is correct
82 Correct 24 ms 604 KB Output is correct
83 Correct 24 ms 680 KB Output is correct
84 Correct 24 ms 604 KB Output is correct
85 Correct 61 ms 564 KB Output is correct
86 Correct 42 ms 668 KB Output is correct
87 Correct 46 ms 596 KB Output is correct
88 Correct 49 ms 596 KB Output is correct
89 Correct 33 ms 604 KB Output is correct
90 Correct 35 ms 552 KB Output is correct
91 Correct 41 ms 596 KB Output is correct
92 Correct 39 ms 600 KB Output is correct
93 Correct 1069 ms 2640 KB Output is correct
94 Correct 1054 ms 2384 KB Output is correct
95 Correct 1066 ms 2412 KB Output is correct
96 Correct 814 ms 2396 KB Output is correct
97 Correct 713 ms 2384 KB Output is correct
98 Correct 818 ms 2432 KB Output is correct
99 Correct 90 ms 852 KB Output is correct
100 Correct 84 ms 1108 KB Output is correct
101 Correct 76 ms 848 KB Output is correct
102 Correct 71 ms 848 KB Output is correct
103 Correct 739 ms 1556 KB Output is correct
104 Correct 400 ms 1480 KB Output is correct
105 Correct 300 ms 1392 KB Output is correct
106 Correct 245 ms 1364 KB Output is correct
107 Correct 2257 ms 2640 KB Output is correct
108 Correct 825 ms 2388 KB Output is correct
109 Correct 640 ms 2388 KB Output is correct
110 Correct 616 ms 2428 KB Output is correct
111 Correct 73 ms 956 KB Output is correct
112 Correct 71 ms 824 KB Output is correct
113 Correct 69 ms 820 KB Output is correct
114 Correct 172 ms 748 KB Output is correct
115 Correct 120 ms 852 KB Output is correct
116 Correct 134 ms 952 KB Output is correct
117 Correct 150 ms 848 KB Output is correct
118 Correct 92 ms 796 KB Output is correct
119 Correct 98 ms 848 KB Output is correct
120 Correct 106 ms 852 KB Output is correct
121 Correct 115 ms 848 KB Output is correct
122 Correct 212 ms 1360 KB Output is correct
123 Correct 196 ms 1400 KB Output is correct
124 Correct 185 ms 1228 KB Output is correct
125 Correct 212 ms 1472 KB Output is correct
126 Correct 219 ms 1376 KB Output is correct
127 Correct 174 ms 1404 KB Output is correct
128 Correct 162 ms 1368 KB Output is correct
129 Correct 159 ms 1360 KB Output is correct
130 Correct 155 ms 1360 KB Output is correct
131 Correct 506 ms 1620 KB Output is correct
132 Correct 368 ms 1616 KB Output is correct
133 Correct 390 ms 1432 KB Output is correct
134 Correct 413 ms 1312 KB Output is correct
135 Correct 267 ms 1404 KB Output is correct
136 Correct 292 ms 1248 KB Output is correct
137 Correct 314 ms 1228 KB Output is correct
138 Correct 323 ms 1328 KB Output is correct
139 Correct 228 ms 1372 KB Output is correct
140 Incorrect 267 ms 1360 KB Output isn't correct
141 Halted 0 ms 0 KB -