oj.uz

Submission #991819

# Submission time Handle Problem Language Result Execution time Memory
991819 2024-06-03T08:09:47 Z boyliguanhan Amusement Park (CEOI19_amusementpark) C++17
100 / 100
 1551 ms 3668 KB 
#include<bits/stdc++.h>
using namespace std;
#pragma GCC optimize(2)
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: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){
      |                            ~^~

Subtask #1
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 0 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 0 ms 344 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 0 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 0 ms 344 KB Output is correct
9 Correct 0 ms 344 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 1 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 1 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 600 KB Output is correct
21 Correct 1 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 344 KB Output is correct

Subtask #3
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 0 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 0 ms 344 KB Output is correct
9 Correct 0 ms 344 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 1 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 1 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 600 KB Output is correct
21 Correct 1 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 344 KB Output is correct
25 Correct 1 ms 348 KB Output is correct
26 Correct 0 ms 348 KB Output is correct
27 Correct 1 ms 344 KB Output is correct
28 Correct 1 ms 344 KB Output is correct
29 Correct 0 ms 344 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 1 ms 344 KB Output is correct
40 Correct 0 ms 348 KB Output is correct
41 Correct 0 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 1 ms 348 KB Output is correct
48 Correct 1 ms 348 KB Output is correct
49 Correct 0 ms 348 KB Output is correct
50 Correct 0 ms 456 KB Output is correct
51 Correct 1 ms 348 KB Output is correct
52 Correct 0 ms 348 KB Output is correct
53 Correct 1 ms 344 KB Output is correct
54 Correct 1 ms 348 KB Output is correct
55 Correct 1 ms 348 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 344 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 1 ms 348 KB Output is correct

Subtask #4
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 0 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 0 ms 344 KB Output is correct
9 Correct 0 ms 344 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 1 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 1 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 600 KB Output is correct
21 Correct 1 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 344 KB Output is correct
25 Correct 1 ms 348 KB Output is correct
26 Correct 0 ms 348 KB Output is correct
27 Correct 1 ms 344 KB Output is correct
28 Correct 1 ms 344 KB Output is correct
29 Correct 0 ms 344 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 1 ms 344 KB Output is correct
40 Correct 0 ms 348 KB Output is correct
41 Correct 0 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 1 ms 348 KB Output is correct
48 Correct 1 ms 348 KB Output is correct
49 Correct 0 ms 348 KB Output is correct
50 Correct 0 ms 456 KB Output is correct
51 Correct 1 ms 348 KB Output is correct
52 Correct 0 ms 348 KB Output is correct
53 Correct 1 ms 344 KB Output is correct
54 Correct 1 ms 348 KB Output is correct
55 Correct 1 ms 348 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 344 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 1 ms 348 KB Output is correct
65 Correct 19 ms 604 KB Output is correct
66 Correct 37 ms 632 KB Output is correct
67 Correct 19 ms 604 KB Output is correct
68 Correct 20 ms 620 KB Output is correct
69 Correct 36 ms 628 KB Output is correct
70 Correct 23 ms 604 KB Output is correct
71 Correct 37 ms 592 KB Output is correct
72 Correct 26 ms 624 KB Output is correct
73 Correct 24 ms 604 KB Output is correct
74 Correct 19 ms 540 KB Output is correct
75 Correct 19 ms 604 KB Output is correct
76 Correct 20 ms 604 KB Output is correct
77 Correct 55 ms 604 KB Output is correct
78 Correct 87 ms 600 KB Output is correct
79 Correct 70 ms 780 KB Output is correct
80 Correct 63 ms 800 KB Output is correct
81 Correct 54 ms 600 KB Output is correct
82 Correct 56 ms 636 KB Output is correct
83 Correct 55 ms 736 KB Output is correct
84 Correct 55 ms 604 KB Output is correct
85 Correct 55 ms 604 KB Output is correct
86 Correct 68 ms 600 KB Output is correct
87 Correct 55 ms 664 KB Output is correct
88 Correct 59 ms 604 KB Output is correct
89 Correct 55 ms 684 KB Output is correct
90 Correct 55 ms 624 KB Output is correct
91 Correct 56 ms 1028 KB Output is correct
92 Correct 56 ms 600 KB Output is correct

Subtask #5
37.0 / 37.0

# Verdict Execution time Memory Grader output
1 Correct 0 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 0 ms 344 KB Output is correct
9 Correct 0 ms 344 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 1 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 1 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 600 KB Output is correct
21 Correct 1 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 344 KB Output is correct
25 Correct 1 ms 348 KB Output is correct
26 Correct 0 ms 348 KB Output is correct
27 Correct 1 ms 344 KB Output is correct
28 Correct 1 ms 344 KB Output is correct
29 Correct 0 ms 344 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 1 ms 344 KB Output is correct
40 Correct 0 ms 348 KB Output is correct
41 Correct 0 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 1 ms 348 KB Output is correct
48 Correct 1 ms 348 KB Output is correct
49 Correct 0 ms 348 KB Output is correct
50 Correct 0 ms 456 KB Output is correct
51 Correct 1 ms 348 KB Output is correct
52 Correct 0 ms 348 KB Output is correct
53 Correct 1 ms 344 KB Output is correct
54 Correct 1 ms 348 KB Output is correct
55 Correct 1 ms 348 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 344 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 1 ms 348 KB Output is correct
65 Correct 19 ms 604 KB Output is correct
66 Correct 37 ms 632 KB Output is correct
67 Correct 19 ms 604 KB Output is correct
68 Correct 20 ms 620 KB Output is correct
69 Correct 36 ms 628 KB Output is correct
70 Correct 23 ms 604 KB Output is correct
71 Correct 37 ms 592 KB Output is correct
72 Correct 26 ms 624 KB Output is correct
73 Correct 24 ms 604 KB Output is correct
74 Correct 19 ms 540 KB Output is correct
75 Correct 19 ms 604 KB Output is correct
76 Correct 20 ms 604 KB Output is correct
77 Correct 55 ms 604 KB Output is correct
78 Correct 87 ms 600 KB Output is correct
79 Correct 70 ms 780 KB Output is correct
80 Correct 63 ms 800 KB Output is correct
81 Correct 54 ms 600 KB Output is correct
82 Correct 56 ms 636 KB Output is correct
83 Correct 55 ms 736 KB Output is correct
84 Correct 55 ms 604 KB Output is correct
85 Correct 55 ms 604 KB Output is correct
86 Correct 68 ms 600 KB Output is correct
87 Correct 55 ms 664 KB Output is correct
88 Correct 59 ms 604 KB Output is correct
89 Correct 55 ms 684 KB Output is correct
90 Correct 55 ms 624 KB Output is correct
91 Correct 56 ms 1028 KB Output is correct
92 Correct 56 ms 600 KB Output is correct
93 Correct 1532 ms 3388 KB Output is correct
94 Correct 1486 ms 3408 KB Output is correct
95 Correct 1546 ms 3488 KB Output is correct
96 Correct 1525 ms 3292 KB Output is correct
97 Correct 1504 ms 3292 KB Output is correct
98 Correct 1551 ms 3348 KB Output is correct
99 Correct 159 ms 1104 KB Output is correct
100 Correct 161 ms 1000 KB Output is correct
101 Correct 176 ms 1124 KB Output is correct
102 Correct 160 ms 1152 KB Output is correct
103 Correct 496 ms 1876 KB Output is correct
104 Correct 483 ms 1852 KB Output is correct
105 Correct 486 ms 1872 KB Output is correct
106 Correct 531 ms 1764 KB Output is correct
107 Correct 1494 ms 3408 KB Output is correct
108 Correct 1466 ms 3344 KB Output is correct
109 Correct 1468 ms 3416 KB Output is correct
110 Correct 1459 ms 3408 KB Output is correct
111 Correct 159 ms 1108 KB Output is correct
112 Correct 189 ms 1044 KB Output is correct
113 Correct 159 ms 1104 KB Output is correct
114 Correct 175 ms 1108 KB Output is correct
115 Correct 169 ms 1144 KB Output is correct
116 Correct 208 ms 1072 KB Output is correct
117 Correct 158 ms 1112 KB Output is correct
118 Correct 158 ms 1196 KB Output is correct
119 Correct 158 ms 1132 KB Output is correct
120 Correct 198 ms 1108 KB Output is correct
121 Correct 162 ms 1104 KB Output is correct
122 Correct 483 ms 2120 KB Output is correct
123 Correct 480 ms 1876 KB Output is correct
124 Correct 522 ms 1924 KB Output is correct
125 Correct 485 ms 1876 KB Output is correct
126 Correct 489 ms 1872 KB Output is correct
127 Correct 503 ms 1872 KB Output is correct
128 Correct 514 ms 1876 KB Output is correct
129 Correct 480 ms 1876 KB Output is correct
130 Correct 478 ms 1872 KB Output is correct
131 Correct 473 ms 1912 KB Output is correct
132 Correct 491 ms 1872 KB Output is correct
133 Correct 482 ms 1944 KB Output is correct
134 Correct 474 ms 1872 KB Output is correct
135 Correct 476 ms 1944 KB Output is correct
136 Correct 476 ms 1876 KB Output is correct
137 Correct 489 ms 1876 KB Output is correct
138 Correct 479 ms 1872 KB Output is correct
139 Correct 474 ms 1876 KB Output is correct
140 Correct 477 ms 1828 KB Output is correct
141 Correct 486 ms 1876 KB Output is correct
142 Correct 1447 ms 3408 KB Output is correct
143 Correct 1440 ms 3496 KB Output is correct
144 Correct 1480 ms 3440 KB Output is correct
145 Correct 1458 ms 3412 KB Output is correct
146 Correct 1446 ms 3408 KB Output is correct
147 Correct 1468 ms 3468 KB Output is correct
148 Correct 1493 ms 3416 KB Output is correct
149 Correct 1411 ms 3304 KB Output is correct
150 Correct 1457 ms 3456 KB Output is correct
151 Correct 1492 ms 3412 KB Output is correct
152 Correct 1436 ms 3412 KB Output is correct
153 Correct 1535 ms 3412 KB Output is correct
154 Correct 1428 ms 3408 KB Output is correct
155 Correct 1425 ms 3484 KB Output is correct
156 Correct 1517 ms 3408 KB Output is correct
157 Correct 1457 ms 3492 KB Output is correct
158 Correct 1447 ms 3440 KB Output is correct
159 Correct 1436 ms 3412 KB Output is correct
160 Correct 1426 ms 3668 KB Output is correct
161 Correct 1438 ms 3300 KB Output is correct
162 Correct 1435 ms 3396 KB Output is correct
163 Correct 1442 ms 3412 KB Output is correct
164 Correct 1421 ms 3408 KB Output is correct
165 Correct 1418 ms 3408 KB Output is correct
166 Correct 1422 ms 3420 KB Output is correct
167 Correct 1431 ms 3412 KB Output is correct