oj.uz

Submission #991818

# Submission time Handle Problem Language Result Execution time Memory
991818 2024-06-03T08:08:53 Z boyliguanhan Amusement Park (CEOI19_amusementpark) C++17
100 / 100
 1614 ms 3676 KB 
#include<bits/stdc++.h>
using namespace std;
int has[18][18],indep[1<<18];
long long dp[1<<18],mod=998244353;
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;dp[i++]%=mod)
        for(int j=i-1&i;;j=j-1&i){
            int cnt=__builtin_popcount(i^j);
            dp[i]=(dp[i]+mod+indep[i-j]*dp[j]*(cnt%2*2-1));
            if(!j) break;
        }
    cout<<(mod+1)/2*dp[(1<<n)-1]%mod*m%mod;
}

Compilation message

amusementpark.cpp: In function 'int main()':
amusementpark.cpp:20:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   20 |         for(int j=0;j<v.size();j++)
      |                     ~^~~~~~~~~
amusementpark.cpp:21:28: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   21 |             for(int k=j+1;k<v.size();k++)
      |                           ~^~~~~~~~~
amusementpark.cpp:27:20: warning: suggest parentheses around '-' in operand of '&' [-Wparentheses]
   27 |         for(int j=i-1&i;;j=j-1&i){
      |                   ~^~
amusementpark.cpp:27:29: warning: suggest parentheses around '-' in operand of '&' [-Wparentheses]
   27 |         for(int j=i-1&i;;j=j-1&i){
      |                            ~^~

Subtask #1
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 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 1 ms 344 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 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 1 ms 344 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 344 KB Output is correct
11 Correct 0 ms 344 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 1 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 1 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 1 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 348 KB Output is correct
23 Correct 0 ms 348 KB Output is correct
24 Correct 1 ms 348 KB Output is correct

Subtask #3
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 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 1 ms 344 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 344 KB Output is correct
11 Correct 0 ms 344 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 1 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 1 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 1 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 348 KB Output is correct
23 Correct 0 ms 348 KB Output is correct
24 Correct 1 ms 348 KB Output is correct
25 Correct 1 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 600 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 344 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 0 ms 348 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 1 ms 348 KB Output is correct
42 Correct 1 ms 348 KB Output is correct
43 Correct 0 ms 348 KB Output is correct
44 Correct 1 ms 348 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 0 ms 348 KB Output is correct
49 Correct 0 ms 348 KB Output is correct
50 Correct 1 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 348 KB Output is correct
56 Correct 0 ms 348 KB Output is correct
57 Correct 0 ms 348 KB Output is correct
58 Correct 1 ms 348 KB Output is correct
59 Correct 2 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 348 KB Output is correct
64 Correct 0 ms 348 KB Output is correct

Subtask #4
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 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 1 ms 344 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 344 KB Output is correct
11 Correct 0 ms 344 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 1 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 1 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 1 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 348 KB Output is correct
23 Correct 0 ms 348 KB Output is correct
24 Correct 1 ms 348 KB Output is correct
25 Correct 1 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 600 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 344 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 0 ms 348 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 1 ms 348 KB Output is correct
42 Correct 1 ms 348 KB Output is correct
43 Correct 0 ms 348 KB Output is correct
44 Correct 1 ms 348 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 0 ms 348 KB Output is correct
49 Correct 0 ms 348 KB Output is correct
50 Correct 1 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 348 KB Output is correct
56 Correct 0 ms 348 KB Output is correct
57 Correct 0 ms 348 KB Output is correct
58 Correct 1 ms 348 KB Output is correct
59 Correct 2 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 348 KB Output is correct
64 Correct 0 ms 348 KB Output is correct
65 Correct 20 ms 604 KB Output is correct
66 Correct 20 ms 604 KB Output is correct
67 Correct 23 ms 572 KB Output is correct
68 Correct 19 ms 604 KB Output is correct
69 Correct 19 ms 632 KB Output is correct
70 Correct 20 ms 604 KB Output is correct
71 Correct 19 ms 608 KB Output is correct
72 Correct 22 ms 564 KB Output is correct
73 Correct 20 ms 604 KB Output is correct
74 Correct 20 ms 504 KB Output is correct
75 Correct 19 ms 604 KB Output is correct
76 Correct 19 ms 604 KB Output is correct
77 Correct 55 ms 604 KB Output is correct
78 Correct 66 ms 720 KB Output is correct
79 Correct 55 ms 788 KB Output is correct
80 Correct 54 ms 600 KB Output is correct
81 Correct 54 ms 600 KB Output is correct
82 Correct 55 ms 600 KB Output is correct
83 Correct 61 ms 604 KB Output is correct
84 Correct 55 ms 680 KB Output is correct
85 Correct 57 ms 612 KB Output is correct
86 Correct 56 ms 600 KB Output is correct
87 Correct 55 ms 600 KB Output is correct
88 Correct 55 ms 600 KB Output is correct
89 Correct 55 ms 604 KB Output is correct
90 Correct 68 ms 680 KB Output is correct
91 Correct 55 ms 600 KB Output is correct
92 Correct 55 ms 604 KB Output is correct

Subtask #5
37.0 / 37.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 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 1 ms 344 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 344 KB Output is correct
11 Correct 0 ms 344 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 1 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 1 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 1 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 348 KB Output is correct
23 Correct 0 ms 348 KB Output is correct
24 Correct 1 ms 348 KB Output is correct
25 Correct 1 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 600 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 344 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 0 ms 348 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 1 ms 348 KB Output is correct
42 Correct 1 ms 348 KB Output is correct
43 Correct 0 ms 348 KB Output is correct
44 Correct 1 ms 348 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 0 ms 348 KB Output is correct
49 Correct 0 ms 348 KB Output is correct
50 Correct 1 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 348 KB Output is correct
56 Correct 0 ms 348 KB Output is correct
57 Correct 0 ms 348 KB Output is correct
58 Correct 1 ms 348 KB Output is correct
59 Correct 2 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 348 KB Output is correct
64 Correct 0 ms 348 KB Output is correct
65 Correct 20 ms 604 KB Output is correct
66 Correct 20 ms 604 KB Output is correct
67 Correct 23 ms 572 KB Output is correct
68 Correct 19 ms 604 KB Output is correct
69 Correct 19 ms 632 KB Output is correct
70 Correct 20 ms 604 KB Output is correct
71 Correct 19 ms 608 KB Output is correct
72 Correct 22 ms 564 KB Output is correct
73 Correct 20 ms 604 KB Output is correct
74 Correct 20 ms 504 KB Output is correct
75 Correct 19 ms 604 KB Output is correct
76 Correct 19 ms 604 KB Output is correct
77 Correct 55 ms 604 KB Output is correct
78 Correct 66 ms 720 KB Output is correct
79 Correct 55 ms 788 KB Output is correct
80 Correct 54 ms 600 KB Output is correct
81 Correct 54 ms 600 KB Output is correct
82 Correct 55 ms 600 KB Output is correct
83 Correct 61 ms 604 KB Output is correct
84 Correct 55 ms 680 KB Output is correct
85 Correct 57 ms 612 KB Output is correct
86 Correct 56 ms 600 KB Output is correct
87 Correct 55 ms 600 KB Output is correct
88 Correct 55 ms 600 KB Output is correct
89 Correct 55 ms 604 KB Output is correct
90 Correct 68 ms 680 KB Output is correct
91 Correct 55 ms 600 KB Output is correct
92 Correct 55 ms 604 KB Output is correct
93 Correct 1463 ms 3392 KB Output is correct
94 Correct 1445 ms 3428 KB Output is correct
95 Correct 1454 ms 3344 KB Output is correct
96 Correct 1443 ms 3436 KB Output is correct
97 Correct 1511 ms 3488 KB Output is correct
98 Correct 1446 ms 3408 KB Output is correct
99 Correct 159 ms 1108 KB Output is correct
100 Correct 160 ms 1104 KB Output is correct
101 Correct 160 ms 1104 KB Output is correct
102 Correct 172 ms 1104 KB Output is correct
103 Correct 484 ms 1876 KB Output is correct
104 Correct 498 ms 1756 KB Output is correct
105 Correct 515 ms 1864 KB Output is correct
106 Correct 490 ms 1952 KB Output is correct
107 Correct 1478 ms 3468 KB Output is correct
108 Correct 1501 ms 3448 KB Output is correct
109 Correct 1504 ms 3468 KB Output is correct
110 Correct 1501 ms 3664 KB Output is correct
111 Correct 157 ms 1160 KB Output is correct
112 Correct 159 ms 1360 KB Output is correct
113 Correct 165 ms 1104 KB Output is correct
114 Correct 166 ms 1104 KB Output is correct
115 Correct 158 ms 1104 KB Output is correct
116 Correct 158 ms 1108 KB Output is correct
117 Correct 191 ms 1076 KB Output is correct
118 Correct 157 ms 1168 KB Output is correct
119 Correct 161 ms 1176 KB Output is correct
120 Correct 160 ms 1108 KB Output is correct
121 Correct 164 ms 1204 KB Output is correct
122 Correct 470 ms 1812 KB Output is correct
123 Correct 515 ms 1816 KB Output is correct
124 Correct 476 ms 1852 KB Output is correct
125 Correct 473 ms 1912 KB Output is correct
126 Correct 497 ms 1872 KB Output is correct
127 Correct 479 ms 1876 KB Output is correct
128 Correct 485 ms 1876 KB Output is correct
129 Correct 488 ms 2132 KB Output is correct
130 Correct 478 ms 1908 KB Output is correct
131 Correct 486 ms 1828 KB Output is correct
132 Correct 495 ms 1876 KB Output is correct
133 Correct 471 ms 1964 KB Output is correct
134 Correct 523 ms 1792 KB Output is correct
135 Correct 486 ms 1836 KB Output is correct
136 Correct 472 ms 1880 KB Output is correct
137 Correct 483 ms 1780 KB Output is correct
138 Correct 490 ms 1848 KB Output is correct
139 Correct 481 ms 1876 KB Output is correct
140 Correct 470 ms 1876 KB Output is correct
141 Correct 490 ms 1896 KB Output is correct
142 Correct 1445 ms 3408 KB Output is correct
143 Correct 1451 ms 3364 KB Output is correct
144 Correct 1475 ms 3276 KB Output is correct
145 Correct 1444 ms 3308 KB Output is correct
146 Correct 1453 ms 3412 KB Output is correct
147 Correct 1587 ms 3676 KB Output is correct
148 Correct 1570 ms 3332 KB Output is correct
149 Correct 1606 ms 3488 KB Output is correct
150 Correct 1614 ms 3384 KB Output is correct
151 Correct 1589 ms 3408 KB Output is correct
152 Correct 1496 ms 3488 KB Output is correct
153 Correct 1456 ms 3492 KB Output is correct
154 Correct 1458 ms 3408 KB Output is correct
155 Correct 1457 ms 3368 KB Output is correct
156 Correct 1461 ms 3408 KB Output is correct
157 Correct 1479 ms 3388 KB Output is correct
158 Correct 1490 ms 3248 KB Output is correct
159 Correct 1507 ms 3420 KB Output is correct
160 Correct 1523 ms 3404 KB Output is correct
161 Correct 1520 ms 3408 KB Output is correct
162 Correct 1517 ms 3408 KB Output is correct
163 Correct 1493 ms 3420 KB Output is correct
164 Correct 1472 ms 3304 KB Output is correct
165 Correct 1528 ms 3408 KB Output is correct
166 Correct 1533 ms 3280 KB Output is correct
167 Correct 1511 ms 3652 KB Output is correct