답안 #582558

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
582558	2022-06-24T05:32:42 Z	박상훈(#8369)	Amusement Park (CEOI19_amusementpark)	C++17	63 / 100	3000 ms	5508 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];
ll cst[(1<<18)];

int main(){
    //printf("%d\n", __builtin_ctz(10));
    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));
        cst[z] = 0;
        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]++, cst[z]++;
        }

        for (int z2=(z-1)&z;z2;z2=(z2-1)&z){
            cst[z2] = cst[z2 | (1<<(__builtin_ctz(z^z2)))] - cnt[__builtin_ctz(z^z2)];
        }


        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[z2] * 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[z2] * 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:12:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   12 |     scanf("%d %d", &n, &m);
      |     ~~~~~^~~~~~~~~~~~~~~~~
amusementpark.cpp:15:14: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   15 |         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	0 ms	212 KB	Output is correct
5	Correct	0 ms	212 KB	Output is correct
6	Correct	1 ms	212 KB	Output is correct
7	Correct	1 ms	212 KB	Output is correct
8	Correct	1 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	0 ms	212 KB	Output is correct
5	Correct	0 ms	212 KB	Output is correct
6	Correct	1 ms	212 KB	Output is correct
7	Correct	1 ms	212 KB	Output is correct
8	Correct	1 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	0 ms	212 KB	Output is correct
13	Correct	0 ms	212 KB	Output is correct
14	Correct	0 ms	212 KB	Output is correct
15	Correct	0 ms	212 KB	Output is correct
16	Correct	0 ms	212 KB	Output is correct
17	Correct	1 ms	212 KB	Output is correct
18	Correct	0 ms	212 KB	Output is correct
19	Correct	0 ms	212 KB	Output is correct
20	Correct	0 ms	212 KB	Output is correct
21	Correct	0 ms	212 KB	Output is correct
22	Correct	1 ms	212 KB	Output is correct
23	Correct	1 ms	212 KB	Output is correct
24	Correct	1 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	0 ms	212 KB	Output is correct
5	Correct	0 ms	212 KB	Output is correct
6	Correct	1 ms	212 KB	Output is correct
7	Correct	1 ms	212 KB	Output is correct
8	Correct	1 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	0 ms	212 KB	Output is correct
13	Correct	0 ms	212 KB	Output is correct
14	Correct	0 ms	212 KB	Output is correct
15	Correct	0 ms	212 KB	Output is correct
16	Correct	0 ms	212 KB	Output is correct
17	Correct	1 ms	212 KB	Output is correct
18	Correct	0 ms	212 KB	Output is correct
19	Correct	0 ms	212 KB	Output is correct
20	Correct	0 ms	212 KB	Output is correct
21	Correct	0 ms	212 KB	Output is correct
22	Correct	1 ms	212 KB	Output is correct
23	Correct	1 ms	212 KB	Output is correct
24	Correct	1 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	0 ms	212 KB	Output is correct
29	Correct	1 ms	212 KB	Output is correct
30	Correct	1 ms	212 KB	Output is correct
31	Correct	0 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	0 ms	212 KB	Output is correct
35	Correct	1 ms	212 KB	Output is correct
36	Correct	0 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	212 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	340 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	1 ms	340 KB	Output is correct
53	Correct	1 ms	340 KB	Output is correct
54	Correct	1 ms	340 KB	Output is correct
55	Correct	1 ms	340 KB	Output is correct
56	Correct	1 ms	340 KB	Output is correct
57	Correct	1 ms	340 KB	Output is correct
58	Correct	1 ms	340 KB	Output is correct
59	Correct	1 ms	340 KB	Output is correct
60	Correct	1 ms	340 KB	Output is correct
61	Correct	1 ms	340 KB	Output is correct
62	Correct	1 ms	340 KB	Output is correct
63	Correct	1 ms	340 KB	Output is correct
64	Correct	1 ms	340 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	0 ms	212 KB	Output is correct
5	Correct	0 ms	212 KB	Output is correct
6	Correct	1 ms	212 KB	Output is correct
7	Correct	1 ms	212 KB	Output is correct
8	Correct	1 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	0 ms	212 KB	Output is correct
13	Correct	0 ms	212 KB	Output is correct
14	Correct	0 ms	212 KB	Output is correct
15	Correct	0 ms	212 KB	Output is correct
16	Correct	0 ms	212 KB	Output is correct
17	Correct	1 ms	212 KB	Output is correct
18	Correct	0 ms	212 KB	Output is correct
19	Correct	0 ms	212 KB	Output is correct
20	Correct	0 ms	212 KB	Output is correct
21	Correct	0 ms	212 KB	Output is correct
22	Correct	1 ms	212 KB	Output is correct
23	Correct	1 ms	212 KB	Output is correct
24	Correct	1 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	0 ms	212 KB	Output is correct
29	Correct	1 ms	212 KB	Output is correct
30	Correct	1 ms	212 KB	Output is correct
31	Correct	0 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	0 ms	212 KB	Output is correct
35	Correct	1 ms	212 KB	Output is correct
36	Correct	0 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	212 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	340 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	1 ms	340 KB	Output is correct
53	Correct	1 ms	340 KB	Output is correct
54	Correct	1 ms	340 KB	Output is correct
55	Correct	1 ms	340 KB	Output is correct
56	Correct	1 ms	340 KB	Output is correct
57	Correct	1 ms	340 KB	Output is correct
58	Correct	1 ms	340 KB	Output is correct
59	Correct	1 ms	340 KB	Output is correct
60	Correct	1 ms	340 KB	Output is correct
61	Correct	1 ms	340 KB	Output is correct
62	Correct	1 ms	340 KB	Output is correct
63	Correct	1 ms	340 KB	Output is correct
64	Correct	1 ms	340 KB	Output is correct
65	Correct	32 ms	576 KB	Output is correct
66	Correct	30 ms	576 KB	Output is correct
67	Correct	27 ms	572 KB	Output is correct
68	Correct	28 ms	716 KB	Output is correct
69	Correct	51 ms	556 KB	Output is correct
70	Correct	38 ms	592 KB	Output is correct
71	Correct	43 ms	636 KB	Output is correct
72	Correct	46 ms	596 KB	Output is correct
73	Correct	36 ms	596 KB	Output is correct
74	Correct	40 ms	572 KB	Output is correct
75	Correct	31 ms	632 KB	Output is correct
76	Correct	32 ms	528 KB	Output is correct
77	Correct	86 ms	848 KB	Output is correct
78	Correct	87 ms	944 KB	Output is correct
79	Correct	94 ms	832 KB	Output is correct
80	Correct	85 ms	956 KB	Output is correct
81	Correct	72 ms	920 KB	Output is correct
82	Correct	72 ms	892 KB	Output is correct
83	Correct	68 ms	940 KB	Output is correct
84	Correct	69 ms	868 KB	Output is correct
85	Correct	127 ms	944 KB	Output is correct
86	Correct	116 ms	944 KB	Output is correct
87	Correct	110 ms	988 KB	Output is correct
88	Correct	102 ms	948 KB	Output is correct
89	Correct	106 ms	856 KB	Output is correct
90	Correct	95 ms	944 KB	Output is correct
91	Correct	89 ms	912 KB	Output is correct
92	Correct	103 ms	944 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	0 ms	212 KB	Output is correct
5	Correct	0 ms	212 KB	Output is correct
6	Correct	1 ms	212 KB	Output is correct
7	Correct	1 ms	212 KB	Output is correct
8	Correct	1 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	0 ms	212 KB	Output is correct
13	Correct	0 ms	212 KB	Output is correct
14	Correct	0 ms	212 KB	Output is correct
15	Correct	0 ms	212 KB	Output is correct
16	Correct	0 ms	212 KB	Output is correct
17	Correct	1 ms	212 KB	Output is correct
18	Correct	0 ms	212 KB	Output is correct
19	Correct	0 ms	212 KB	Output is correct
20	Correct	0 ms	212 KB	Output is correct
21	Correct	0 ms	212 KB	Output is correct
22	Correct	1 ms	212 KB	Output is correct
23	Correct	1 ms	212 KB	Output is correct
24	Correct	1 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	0 ms	212 KB	Output is correct
29	Correct	1 ms	212 KB	Output is correct
30	Correct	1 ms	212 KB	Output is correct
31	Correct	0 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	0 ms	212 KB	Output is correct
35	Correct	1 ms	212 KB	Output is correct
36	Correct	0 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	212 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	340 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	1 ms	340 KB	Output is correct
53	Correct	1 ms	340 KB	Output is correct
54	Correct	1 ms	340 KB	Output is correct
55	Correct	1 ms	340 KB	Output is correct
56	Correct	1 ms	340 KB	Output is correct
57	Correct	1 ms	340 KB	Output is correct
58	Correct	1 ms	340 KB	Output is correct
59	Correct	1 ms	340 KB	Output is correct
60	Correct	1 ms	340 KB	Output is correct
61	Correct	1 ms	340 KB	Output is correct
62	Correct	1 ms	340 KB	Output is correct
63	Correct	1 ms	340 KB	Output is correct
64	Correct	1 ms	340 KB	Output is correct
65	Correct	32 ms	576 KB	Output is correct
66	Correct	30 ms	576 KB	Output is correct
67	Correct	27 ms	572 KB	Output is correct
68	Correct	28 ms	716 KB	Output is correct
69	Correct	51 ms	556 KB	Output is correct
70	Correct	38 ms	592 KB	Output is correct
71	Correct	43 ms	636 KB	Output is correct
72	Correct	46 ms	596 KB	Output is correct
73	Correct	36 ms	596 KB	Output is correct
74	Correct	40 ms	572 KB	Output is correct
75	Correct	31 ms	632 KB	Output is correct
76	Correct	32 ms	528 KB	Output is correct
77	Correct	86 ms	848 KB	Output is correct
78	Correct	87 ms	944 KB	Output is correct
79	Correct	94 ms	832 KB	Output is correct
80	Correct	85 ms	956 KB	Output is correct
81	Correct	72 ms	920 KB	Output is correct
82	Correct	72 ms	892 KB	Output is correct
83	Correct	68 ms	940 KB	Output is correct
84	Correct	69 ms	868 KB	Output is correct
85	Correct	127 ms	944 KB	Output is correct
86	Correct	116 ms	944 KB	Output is correct
87	Correct	110 ms	988 KB	Output is correct
88	Correct	102 ms	948 KB	Output is correct
89	Correct	106 ms	856 KB	Output is correct
90	Correct	95 ms	944 KB	Output is correct
91	Correct	89 ms	912 KB	Output is correct
92	Correct	103 ms	944 KB	Output is correct
93	Correct	2661 ms	5404 KB	Output is correct
94	Correct	2650 ms	5428 KB	Output is correct
95	Correct	2785 ms	5412 KB	Output is correct
96	Correct	2280 ms	5432 KB	Output is correct
97	Correct	2092 ms	5424 KB	Output is correct
98	Correct	2209 ms	5508 KB	Output is correct
99	Correct	268 ms	1592 KB	Output is correct
100	Correct	214 ms	1560 KB	Output is correct
101	Correct	227 ms	1500 KB	Output is correct
102	Correct	205 ms	1528 KB	Output is correct
103	Correct	1413 ms	2924 KB	Output is correct
104	Correct	912 ms	2944 KB	Output is correct
105	Correct	783 ms	2796 KB	Output is correct
106	Correct	637 ms	2836 KB	Output is correct
107	Execution timed out	3090 ms	4928 KB	Time limit exceeded
108	Halted	0 ms	0 KB	-

답안 #582558

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