답안 #582551

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
582551	2022-06-24T05:23:54 Z	박상훈(#8369)	Amusement Park (CEOI19_amusementpark)	C++17	63 / 100	3000 ms	2448 KB

amusementpark

#include <bits/stdc++.h>

typedef long long ll;
using namespace std;
const int MOD = 998244353;
int adj[20][20], dp1[(1<<18)], dp2[(1<<18)], p[(1<<18)], cnt[18];

int main(){
    int n, m;
    scanf("%d %d", &n, &m);
    for (int i=1;i<=m;i++){
        int x, y;
        scanf("%d %d", &x, &y);
        --x, --y;
        adj[x][y] = 1;
        adj[y][x] = -1;
    }

    for (int z=0;z<(1<<n);z++){
        p[z] = 1;
        for (int i=0;i<n;i++) if (z&(1<<i)){
            for (int j=i+1;j<n;j++) if (z&(1<<j)){
                if (adj[i][j]) p[z] = 0;
            }
        }
    }

    for (int z=0;z<(1<<n);z++) if (__builtin_popcount(z)<2) dp2[z] = 1;

    for (int z=0;z<(1<<n);z++) if (__builtin_popcount(z)>=2){
        memset(cnt, 0, sizeof(cnt));
        for (int i=0;i<n;i++) if (z&(1<<i)){
            for (int j=0;j<n;j++) if (z&(1<<j) && adj[i][j]==-1) cnt[i]++;
        }


        for (int z2=z;z2;z2=(z2-1)&z) if (p[z2]){
            ll cst = 0;
            for (int i=0;i<n;i++) if (z2&(1<<i)) cst += cnt[i];

            if (__builtin_popcount(z2)&1){
                dp1[z] += (cst * dp2[z^z2] + dp1[z^z2]) % MOD;
                dp2[z] += dp2[z^z2];

                if (dp1[z]>=MOD) dp1[z] -= MOD;
                if (dp2[z]>=MOD) dp2[z] -= MOD;
            }
            else{
                dp1[z] -= (cst * dp2[z^z2] + dp1[z^z2]) % MOD;
                dp2[z] -= dp2[z^z2];

                if (dp1[z]<0) dp1[z] += MOD;
                if (dp2[z]<0) dp2[z] += MOD;
            }
        }
    }
    printf("%d\n", dp1[(1<<n)-1]);
    return 0;
}

Compilation message

amusementpark.cpp: In function 'int main()':
amusementpark.cpp:10:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   10 |     scanf("%d %d", &n, &m);
      |     ~~~~~^~~~~~~~~~~~~~~~~
amusementpark.cpp:13:14: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   13 |         scanf("%d %d", &x, &y);
      |         ~~~~~^~~~~~~~~~~~~~~~~

Subtask #1
7.0 / 7.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	212 KB	Output is correct
2	Correct	0 ms	212 KB	Output is correct
3	Correct	0 ms	212 KB	Output is correct
4	Correct	1 ms	212 KB	Output is correct
5	Correct	0 ms	212 KB	Output is correct
6	Correct	0 ms	212 KB	Output is correct
7	Correct	0 ms	212 KB	Output is correct
8	Correct	0 ms	212 KB	Output is correct

Subtask #2
12.0 / 12.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	212 KB	Output is correct
2	Correct	0 ms	212 KB	Output is correct
3	Correct	0 ms	212 KB	Output is correct
4	Correct	1 ms	212 KB	Output is correct
5	Correct	0 ms	212 KB	Output is correct
6	Correct	0 ms	212 KB	Output is correct
7	Correct	0 ms	212 KB	Output is correct
8	Correct	0 ms	212 KB	Output is correct
9	Correct	0 ms	212 KB	Output is correct
10	Correct	0 ms	212 KB	Output is correct
11	Correct	0 ms	212 KB	Output is correct
12	Correct	1 ms	212 KB	Output is correct
13	Correct	0 ms	212 KB	Output is correct
14	Correct	1 ms	212 KB	Output is correct
15	Correct	1 ms	212 KB	Output is correct
16	Correct	1 ms	212 KB	Output is correct
17	Correct	1 ms	212 KB	Output is correct
18	Correct	1 ms	212 KB	Output is correct
19	Correct	1 ms	212 KB	Output is correct
20	Correct	1 ms	212 KB	Output is correct
21	Correct	0 ms	212 KB	Output is correct
22	Correct	0 ms	212 KB	Output is correct
23	Correct	0 ms	212 KB	Output is correct
24	Correct	0 ms	212 KB	Output is correct

Subtask #3
23.0 / 23.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	212 KB	Output is correct
2	Correct	0 ms	212 KB	Output is correct
3	Correct	0 ms	212 KB	Output is correct
4	Correct	1 ms	212 KB	Output is correct
5	Correct	0 ms	212 KB	Output is correct
6	Correct	0 ms	212 KB	Output is correct
7	Correct	0 ms	212 KB	Output is correct
8	Correct	0 ms	212 KB	Output is correct
9	Correct	0 ms	212 KB	Output is correct
10	Correct	0 ms	212 KB	Output is correct
11	Correct	0 ms	212 KB	Output is correct
12	Correct	1 ms	212 KB	Output is correct
13	Correct	0 ms	212 KB	Output is correct
14	Correct	1 ms	212 KB	Output is correct
15	Correct	1 ms	212 KB	Output is correct
16	Correct	1 ms	212 KB	Output is correct
17	Correct	1 ms	212 KB	Output is correct
18	Correct	1 ms	212 KB	Output is correct
19	Correct	1 ms	212 KB	Output is correct
20	Correct	1 ms	212 KB	Output is correct
21	Correct	0 ms	212 KB	Output is correct
22	Correct	0 ms	212 KB	Output is correct
23	Correct	0 ms	212 KB	Output is correct
24	Correct	0 ms	212 KB	Output is correct
25	Correct	1 ms	212 KB	Output is correct
26	Correct	1 ms	212 KB	Output is correct
27	Correct	1 ms	212 KB	Output is correct
28	Correct	1 ms	212 KB	Output is correct
29	Correct	0 ms	212 KB	Output is correct
30	Correct	1 ms	212 KB	Output is correct
31	Correct	1 ms	212 KB	Output is correct
32	Correct	1 ms	212 KB	Output is correct
33	Correct	1 ms	212 KB	Output is correct
34	Correct	1 ms	212 KB	Output is correct
35	Correct	1 ms	212 KB	Output is correct
36	Correct	1 ms	212 KB	Output is correct
37	Correct	1 ms	212 KB	Output is correct
38	Correct	1 ms	212 KB	Output is correct
39	Correct	1 ms	312 KB	Output is correct
40	Correct	1 ms	212 KB	Output is correct
41	Correct	1 ms	212 KB	Output is correct
42	Correct	1 ms	212 KB	Output is correct
43	Correct	1 ms	212 KB	Output is correct
44	Correct	1 ms	212 KB	Output is correct
45	Correct	1 ms	212 KB	Output is correct
46	Correct	1 ms	212 KB	Output is correct
47	Correct	1 ms	212 KB	Output is correct
48	Correct	1 ms	212 KB	Output is correct
49	Correct	1 ms	212 KB	Output is correct
50	Correct	1 ms	212 KB	Output is correct
51	Correct	1 ms	212 KB	Output is correct
52	Correct	3 ms	340 KB	Output is correct
53	Correct	3 ms	212 KB	Output is correct
54	Correct	2 ms	212 KB	Output is correct
55	Correct	1 ms	212 KB	Output is correct
56	Correct	2 ms	388 KB	Output is correct
57	Correct	1 ms	212 KB	Output is correct
58	Correct	1 ms	212 KB	Output is correct
59	Correct	2 ms	212 KB	Output is correct
60	Correct	1 ms	212 KB	Output is correct
61	Correct	3 ms	212 KB	Output is correct
62	Correct	2 ms	212 KB	Output is correct
63	Correct	2 ms	212 KB	Output is correct
64	Correct	2 ms	212 KB	Output is correct

Subtask #4
21.0 / 21.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	212 KB	Output is correct
2	Correct	0 ms	212 KB	Output is correct
3	Correct	0 ms	212 KB	Output is correct
4	Correct	1 ms	212 KB	Output is correct
5	Correct	0 ms	212 KB	Output is correct
6	Correct	0 ms	212 KB	Output is correct
7	Correct	0 ms	212 KB	Output is correct
8	Correct	0 ms	212 KB	Output is correct
9	Correct	0 ms	212 KB	Output is correct
10	Correct	0 ms	212 KB	Output is correct
11	Correct	0 ms	212 KB	Output is correct
12	Correct	1 ms	212 KB	Output is correct
13	Correct	0 ms	212 KB	Output is correct
14	Correct	1 ms	212 KB	Output is correct
15	Correct	1 ms	212 KB	Output is correct
16	Correct	1 ms	212 KB	Output is correct
17	Correct	1 ms	212 KB	Output is correct
18	Correct	1 ms	212 KB	Output is correct
19	Correct	1 ms	212 KB	Output is correct
20	Correct	1 ms	212 KB	Output is correct
21	Correct	0 ms	212 KB	Output is correct
22	Correct	0 ms	212 KB	Output is correct
23	Correct	0 ms	212 KB	Output is correct
24	Correct	0 ms	212 KB	Output is correct
25	Correct	1 ms	212 KB	Output is correct
26	Correct	1 ms	212 KB	Output is correct
27	Correct	1 ms	212 KB	Output is correct
28	Correct	1 ms	212 KB	Output is correct
29	Correct	0 ms	212 KB	Output is correct
30	Correct	1 ms	212 KB	Output is correct
31	Correct	1 ms	212 KB	Output is correct
32	Correct	1 ms	212 KB	Output is correct
33	Correct	1 ms	212 KB	Output is correct
34	Correct	1 ms	212 KB	Output is correct
35	Correct	1 ms	212 KB	Output is correct
36	Correct	1 ms	212 KB	Output is correct
37	Correct	1 ms	212 KB	Output is correct
38	Correct	1 ms	212 KB	Output is correct
39	Correct	1 ms	312 KB	Output is correct
40	Correct	1 ms	212 KB	Output is correct
41	Correct	1 ms	212 KB	Output is correct
42	Correct	1 ms	212 KB	Output is correct
43	Correct	1 ms	212 KB	Output is correct
44	Correct	1 ms	212 KB	Output is correct
45	Correct	1 ms	212 KB	Output is correct
46	Correct	1 ms	212 KB	Output is correct
47	Correct	1 ms	212 KB	Output is correct
48	Correct	1 ms	212 KB	Output is correct
49	Correct	1 ms	212 KB	Output is correct
50	Correct	1 ms	212 KB	Output is correct
51	Correct	1 ms	212 KB	Output is correct
52	Correct	3 ms	340 KB	Output is correct
53	Correct	3 ms	212 KB	Output is correct
54	Correct	2 ms	212 KB	Output is correct
55	Correct	1 ms	212 KB	Output is correct
56	Correct	2 ms	388 KB	Output is correct
57	Correct	1 ms	212 KB	Output is correct
58	Correct	1 ms	212 KB	Output is correct
59	Correct	2 ms	212 KB	Output is correct
60	Correct	1 ms	212 KB	Output is correct
61	Correct	3 ms	212 KB	Output is correct
62	Correct	2 ms	212 KB	Output is correct
63	Correct	2 ms	212 KB	Output is correct
64	Correct	2 ms	212 KB	Output is correct
65	Correct	37 ms	468 KB	Output is correct
66	Correct	34 ms	424 KB	Output is correct
67	Correct	31 ms	468 KB	Output is correct
68	Correct	29 ms	468 KB	Output is correct
69	Correct	193 ms	468 KB	Output is correct
70	Correct	127 ms	432 KB	Output is correct
71	Correct	121 ms	420 KB	Output is correct
72	Correct	116 ms	496 KB	Output is correct
73	Correct	95 ms	468 KB	Output is correct
74	Correct	82 ms	484 KB	Output is correct
75	Correct	80 ms	464 KB	Output is correct
76	Correct	82 ms	436 KB	Output is correct
77	Correct	171 ms	688 KB	Output is correct
78	Correct	114 ms	608 KB	Output is correct
79	Correct	90 ms	676 KB	Output is correct
80	Correct	81 ms	692 KB	Output is correct
81	Correct	80 ms	668 KB	Output is correct
82	Correct	71 ms	636 KB	Output is correct
83	Correct	64 ms	644 KB	Output is correct
84	Correct	58 ms	592 KB	Output is correct
85	Correct	584 ms	800 KB	Output is correct
86	Correct	374 ms	664 KB	Output is correct
87	Correct	394 ms	628 KB	Output is correct
88	Correct	351 ms	732 KB	Output is correct
89	Correct	270 ms	772 KB	Output is correct
90	Correct	249 ms	716 KB	Output is correct
91	Correct	246 ms	680 KB	Output is correct
92	Correct	253 ms	728 KB	Output is correct

Subtask #5
0 / 37.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	212 KB	Output is correct
2	Correct	0 ms	212 KB	Output is correct
3	Correct	0 ms	212 KB	Output is correct
4	Correct	1 ms	212 KB	Output is correct
5	Correct	0 ms	212 KB	Output is correct
6	Correct	0 ms	212 KB	Output is correct
7	Correct	0 ms	212 KB	Output is correct
8	Correct	0 ms	212 KB	Output is correct
9	Correct	0 ms	212 KB	Output is correct
10	Correct	0 ms	212 KB	Output is correct
11	Correct	0 ms	212 KB	Output is correct
12	Correct	1 ms	212 KB	Output is correct
13	Correct	0 ms	212 KB	Output is correct
14	Correct	1 ms	212 KB	Output is correct
15	Correct	1 ms	212 KB	Output is correct
16	Correct	1 ms	212 KB	Output is correct
17	Correct	1 ms	212 KB	Output is correct
18	Correct	1 ms	212 KB	Output is correct
19	Correct	1 ms	212 KB	Output is correct
20	Correct	1 ms	212 KB	Output is correct
21	Correct	0 ms	212 KB	Output is correct
22	Correct	0 ms	212 KB	Output is correct
23	Correct	0 ms	212 KB	Output is correct
24	Correct	0 ms	212 KB	Output is correct
25	Correct	1 ms	212 KB	Output is correct
26	Correct	1 ms	212 KB	Output is correct
27	Correct	1 ms	212 KB	Output is correct
28	Correct	1 ms	212 KB	Output is correct
29	Correct	0 ms	212 KB	Output is correct
30	Correct	1 ms	212 KB	Output is correct
31	Correct	1 ms	212 KB	Output is correct
32	Correct	1 ms	212 KB	Output is correct
33	Correct	1 ms	212 KB	Output is correct
34	Correct	1 ms	212 KB	Output is correct
35	Correct	1 ms	212 KB	Output is correct
36	Correct	1 ms	212 KB	Output is correct
37	Correct	1 ms	212 KB	Output is correct
38	Correct	1 ms	212 KB	Output is correct
39	Correct	1 ms	312 KB	Output is correct
40	Correct	1 ms	212 KB	Output is correct
41	Correct	1 ms	212 KB	Output is correct
42	Correct	1 ms	212 KB	Output is correct
43	Correct	1 ms	212 KB	Output is correct
44	Correct	1 ms	212 KB	Output is correct
45	Correct	1 ms	212 KB	Output is correct
46	Correct	1 ms	212 KB	Output is correct
47	Correct	1 ms	212 KB	Output is correct
48	Correct	1 ms	212 KB	Output is correct
49	Correct	1 ms	212 KB	Output is correct
50	Correct	1 ms	212 KB	Output is correct
51	Correct	1 ms	212 KB	Output is correct
52	Correct	3 ms	340 KB	Output is correct
53	Correct	3 ms	212 KB	Output is correct
54	Correct	2 ms	212 KB	Output is correct
55	Correct	1 ms	212 KB	Output is correct
56	Correct	2 ms	388 KB	Output is correct
57	Correct	1 ms	212 KB	Output is correct
58	Correct	1 ms	212 KB	Output is correct
59	Correct	2 ms	212 KB	Output is correct
60	Correct	1 ms	212 KB	Output is correct
61	Correct	3 ms	212 KB	Output is correct
62	Correct	2 ms	212 KB	Output is correct
63	Correct	2 ms	212 KB	Output is correct
64	Correct	2 ms	212 KB	Output is correct
65	Correct	37 ms	468 KB	Output is correct
66	Correct	34 ms	424 KB	Output is correct
67	Correct	31 ms	468 KB	Output is correct
68	Correct	29 ms	468 KB	Output is correct
69	Correct	193 ms	468 KB	Output is correct
70	Correct	127 ms	432 KB	Output is correct
71	Correct	121 ms	420 KB	Output is correct
72	Correct	116 ms	496 KB	Output is correct
73	Correct	95 ms	468 KB	Output is correct
74	Correct	82 ms	484 KB	Output is correct
75	Correct	80 ms	464 KB	Output is correct
76	Correct	82 ms	436 KB	Output is correct
77	Correct	171 ms	688 KB	Output is correct
78	Correct	114 ms	608 KB	Output is correct
79	Correct	90 ms	676 KB	Output is correct
80	Correct	81 ms	692 KB	Output is correct
81	Correct	80 ms	668 KB	Output is correct
82	Correct	71 ms	636 KB	Output is correct
83	Correct	64 ms	644 KB	Output is correct
84	Correct	58 ms	592 KB	Output is correct
85	Correct	584 ms	800 KB	Output is correct
86	Correct	374 ms	664 KB	Output is correct
87	Correct	394 ms	628 KB	Output is correct
88	Correct	351 ms	732 KB	Output is correct
89	Correct	270 ms	772 KB	Output is correct
90	Correct	249 ms	716 KB	Output is correct
91	Correct	246 ms	680 KB	Output is correct
92	Correct	253 ms	728 KB	Output is correct
93	Execution timed out	3070 ms	2448 KB	Time limit exceeded
94	Halted	0 ms	0 KB	-

답안 #582551

Compilation message

Subtask #1 7.0 / 7.0

Subtask #2 12.0 / 12.0

Subtask #3 23.0 / 23.0

Subtask #4 21.0 / 21.0

Subtask #5 0 / 37.0

Subtask #1
7.0 / 7.0

Subtask #2
12.0 / 12.0

Subtask #3
23.0 / 23.0

Subtask #4
21.0 / 21.0

Subtask #5
0 / 37.0