답안 #696764

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
696764	2023-02-07T08:04:20 Z	vjudge1	Amusement Park (CEOI19_amusementpark)	C++17	100 / 100	2363 ms	3612 KB

amusementpark

#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef double db;
typedef pair <int, int> pii;
typedef pair <ll, ll> pll;
#define fir first
#define sec second
typedef vector <int> vi;
typedef vector <ll> vl;
template <typename __Tp> void read(__Tp &x) {
    int f = 0; x = 0; char ch = getchar();
    for (; !isdigit(ch); ch = getchar()) if (ch == '-') f = 1;
    for (; isdigit(ch); ch = getchar()) x = (x << 1) + (x << 3) + (ch ^ 48);
    if (f) x = -x;
}
template <typename __Tp1, typename ...__Tp2> void read(__Tp1 &x, __Tp2 &...y) { read(x), read(y...); }
template <typename __Tp> void write(__Tp x) {
    if (x < 0) putchar('-'), x = -x;
    if (x > 9) write(x / 10);
    putchar(x % 10 + 48);
}
void write(char ch) { putchar(ch); }
template <typename __Tp1, typename ...__Tp2> void write(__Tp1 x, __Tp2 ...y) { write(x), write(y...); }

const int mod = 998244353, inv2 = 499122177;
int n, m, e[20], vld[1 << 18], popcnt[1 << 18], lg[1 << 18], f[1 << 18];

int main() {
    read(n, m);
    for (int i = 1; i <= m; ++i) {
        int u, v; read(u, v), --u, --v;
        e[u] |= (1 << v), e[v] |= (1 << u);
    }
    int S = (1 << n) - 1;
    for (int i = 0; i < n; ++i) lg[1 << i] = i;
    vld[0] = 1;
    for (int s = 1; s <= S; ++s) {
        int i = lg[s & -s];
        popcnt[s] = popcnt[s & (s - 1)] + 1;
        vld[s] = vld[s & (s - 1)] & !(e[i] & s);
    }
    f[0] = 1;
    for (int s = 1; s <= S; ++s)
        for (int t = s; t; t = (t - 1) & s)
            if (vld[t]) {
                if (popcnt[t] & 1) f[s] = (f[s] + f[s ^ t]) % mod;
                else f[s] = (f[s] + mod - f[s ^ t]) % mod;
            }
    write((ll) f[S] * m % mod * inv2 % mod, '\n');
    return 0;
}

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	1 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	0 ms	212 KB	Output is correct
5	Correct	1 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	224 KB	Output is correct
12	Correct	0 ms	212 KB	Output is correct
13	Correct	1 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	0 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	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	0 ms	212 KB	Output is correct
5	Correct	1 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	224 KB	Output is correct
12	Correct	0 ms	212 KB	Output is correct
13	Correct	1 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	0 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	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	0 ms	212 KB	Output is correct
26	Correct	0 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	0 ms	212 KB	Output is correct
30	Correct	0 ms	212 KB	Output is correct
31	Correct	0 ms	212 KB	Output is correct
32	Correct	0 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	0 ms	212 KB	Output is correct
36	Correct	1 ms	212 KB	Output is correct
37	Correct	0 ms	212 KB	Output is correct
38	Correct	0 ms	212 KB	Output is correct
39	Correct	0 ms	212 KB	Output is correct
40	Correct	1 ms	212 KB	Output is correct
41	Correct	0 ms	212 KB	Output is correct
42	Correct	1 ms	212 KB	Output is correct
43	Correct	0 ms	212 KB	Output is correct
44	Correct	0 ms	212 KB	Output is correct
45	Correct	0 ms	212 KB	Output is correct
46	Correct	0 ms	212 KB	Output is correct
47	Correct	0 ms	212 KB	Output is correct
48	Correct	0 ms	212 KB	Output is correct
49	Correct	0 ms	212 KB	Output is correct
50	Correct	1 ms	212 KB	Output is correct
51	Correct	0 ms	212 KB	Output is correct
52	Correct	1 ms	340 KB	Output is correct
53	Correct	1 ms	212 KB	Output is correct
54	Correct	1 ms	212 KB	Output is correct
55	Correct	1 ms	212 KB	Output is correct
56	Correct	0 ms	212 KB	Output is correct
57	Correct	0 ms	212 KB	Output is correct
58	Correct	0 ms	212 KB	Output is correct
59	Correct	0 ms	212 KB	Output is correct
60	Correct	0 ms	212 KB	Output is correct
61	Correct	1 ms	212 KB	Output is correct
62	Correct	1 ms	212 KB	Output is correct
63	Correct	1 ms	340 KB	Output is correct
64	Correct	1 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	0 ms	212 KB	Output is correct
5	Correct	1 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	224 KB	Output is correct
12	Correct	0 ms	212 KB	Output is correct
13	Correct	1 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	0 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	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	0 ms	212 KB	Output is correct
26	Correct	0 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	0 ms	212 KB	Output is correct
30	Correct	0 ms	212 KB	Output is correct
31	Correct	0 ms	212 KB	Output is correct
32	Correct	0 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	0 ms	212 KB	Output is correct
36	Correct	1 ms	212 KB	Output is correct
37	Correct	0 ms	212 KB	Output is correct
38	Correct	0 ms	212 KB	Output is correct
39	Correct	0 ms	212 KB	Output is correct
40	Correct	1 ms	212 KB	Output is correct
41	Correct	0 ms	212 KB	Output is correct
42	Correct	1 ms	212 KB	Output is correct
43	Correct	0 ms	212 KB	Output is correct
44	Correct	0 ms	212 KB	Output is correct
45	Correct	0 ms	212 KB	Output is correct
46	Correct	0 ms	212 KB	Output is correct
47	Correct	0 ms	212 KB	Output is correct
48	Correct	0 ms	212 KB	Output is correct
49	Correct	0 ms	212 KB	Output is correct
50	Correct	1 ms	212 KB	Output is correct
51	Correct	0 ms	212 KB	Output is correct
52	Correct	1 ms	340 KB	Output is correct
53	Correct	1 ms	212 KB	Output is correct
54	Correct	1 ms	212 KB	Output is correct
55	Correct	1 ms	212 KB	Output is correct
56	Correct	0 ms	212 KB	Output is correct
57	Correct	0 ms	212 KB	Output is correct
58	Correct	0 ms	212 KB	Output is correct
59	Correct	0 ms	212 KB	Output is correct
60	Correct	0 ms	212 KB	Output is correct
61	Correct	1 ms	212 KB	Output is correct
62	Correct	1 ms	212 KB	Output is correct
63	Correct	1 ms	340 KB	Output is correct
64	Correct	1 ms	212 KB	Output is correct
65	Correct	9 ms	468 KB	Output is correct
66	Correct	8 ms	524 KB	Output is correct
67	Correct	7 ms	484 KB	Output is correct
68	Correct	7 ms	524 KB	Output is correct
69	Correct	20 ms	484 KB	Output is correct
70	Correct	14 ms	520 KB	Output is correct
71	Correct	14 ms	500 KB	Output is correct
72	Correct	16 ms	496 KB	Output is correct
73	Correct	11 ms	492 KB	Output is correct
74	Correct	11 ms	492 KB	Output is correct
75	Correct	11 ms	468 KB	Output is correct
76	Correct	11 ms	520 KB	Output is correct
77	Correct	27 ms	672 KB	Output is correct
78	Correct	25 ms	676 KB	Output is correct
79	Correct	23 ms	656 KB	Output is correct
80	Correct	21 ms	680 KB	Output is correct
81	Correct	20 ms	632 KB	Output is correct
82	Correct	19 ms	708 KB	Output is correct
83	Correct	17 ms	652 KB	Output is correct
84	Correct	17 ms	660 KB	Output is correct
85	Correct	58 ms	680 KB	Output is correct
86	Correct	44 ms	688 KB	Output is correct
87	Correct	43 ms	692 KB	Output is correct
88	Correct	45 ms	664 KB	Output is correct
89	Correct	30 ms	676 KB	Output is correct
90	Correct	35 ms	696 KB	Output is correct
91	Correct	36 ms	716 KB	Output is correct
92	Correct	37 ms	656 KB	Output is correct

Subtask #5
37.0 / 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	1 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	224 KB	Output is correct
12	Correct	0 ms	212 KB	Output is correct
13	Correct	1 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	0 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	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	0 ms	212 KB	Output is correct
26	Correct	0 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	0 ms	212 KB	Output is correct
30	Correct	0 ms	212 KB	Output is correct
31	Correct	0 ms	212 KB	Output is correct
32	Correct	0 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	0 ms	212 KB	Output is correct
36	Correct	1 ms	212 KB	Output is correct
37	Correct	0 ms	212 KB	Output is correct
38	Correct	0 ms	212 KB	Output is correct
39	Correct	0 ms	212 KB	Output is correct
40	Correct	1 ms	212 KB	Output is correct
41	Correct	0 ms	212 KB	Output is correct
42	Correct	1 ms	212 KB	Output is correct
43	Correct	0 ms	212 KB	Output is correct
44	Correct	0 ms	212 KB	Output is correct
45	Correct	0 ms	212 KB	Output is correct
46	Correct	0 ms	212 KB	Output is correct
47	Correct	0 ms	212 KB	Output is correct
48	Correct	0 ms	212 KB	Output is correct
49	Correct	0 ms	212 KB	Output is correct
50	Correct	1 ms	212 KB	Output is correct
51	Correct	0 ms	212 KB	Output is correct
52	Correct	1 ms	340 KB	Output is correct
53	Correct	1 ms	212 KB	Output is correct
54	Correct	1 ms	212 KB	Output is correct
55	Correct	1 ms	212 KB	Output is correct
56	Correct	0 ms	212 KB	Output is correct
57	Correct	0 ms	212 KB	Output is correct
58	Correct	0 ms	212 KB	Output is correct
59	Correct	0 ms	212 KB	Output is correct
60	Correct	0 ms	212 KB	Output is correct
61	Correct	1 ms	212 KB	Output is correct
62	Correct	1 ms	212 KB	Output is correct
63	Correct	1 ms	340 KB	Output is correct
64	Correct	1 ms	212 KB	Output is correct
65	Correct	9 ms	468 KB	Output is correct
66	Correct	8 ms	524 KB	Output is correct
67	Correct	7 ms	484 KB	Output is correct
68	Correct	7 ms	524 KB	Output is correct
69	Correct	20 ms	484 KB	Output is correct
70	Correct	14 ms	520 KB	Output is correct
71	Correct	14 ms	500 KB	Output is correct
72	Correct	16 ms	496 KB	Output is correct
73	Correct	11 ms	492 KB	Output is correct
74	Correct	11 ms	492 KB	Output is correct
75	Correct	11 ms	468 KB	Output is correct
76	Correct	11 ms	520 KB	Output is correct
77	Correct	27 ms	672 KB	Output is correct
78	Correct	25 ms	676 KB	Output is correct
79	Correct	23 ms	656 KB	Output is correct
80	Correct	21 ms	680 KB	Output is correct
81	Correct	20 ms	632 KB	Output is correct
82	Correct	19 ms	708 KB	Output is correct
83	Correct	17 ms	652 KB	Output is correct
84	Correct	17 ms	660 KB	Output is correct
85	Correct	58 ms	680 KB	Output is correct
86	Correct	44 ms	688 KB	Output is correct
87	Correct	43 ms	692 KB	Output is correct
88	Correct	45 ms	664 KB	Output is correct
89	Correct	30 ms	676 KB	Output is correct
90	Correct	35 ms	696 KB	Output is correct
91	Correct	36 ms	716 KB	Output is correct
92	Correct	37 ms	656 KB	Output is correct
93	Correct	1103 ms	3516 KB	Output is correct
94	Correct	1101 ms	3488 KB	Output is correct
95	Correct	1090 ms	3448 KB	Output is correct
96	Correct	831 ms	3388 KB	Output is correct
97	Correct	694 ms	3440 KB	Output is correct
98	Correct	802 ms	3476 KB	Output is correct
99	Correct	87 ms	1020 KB	Output is correct
100	Correct	75 ms	1032 KB	Output is correct
101	Correct	67 ms	1020 KB	Output is correct
102	Correct	59 ms	1028 KB	Output is correct
103	Correct	778 ms	1852 KB	Output is correct
104	Correct	405 ms	1840 KB	Output is correct
105	Correct	291 ms	1836 KB	Output is correct
106	Correct	212 ms	1784 KB	Output is correct
107	Correct	2363 ms	3612 KB	Output is correct
108	Correct	842 ms	3472 KB	Output is correct
109	Correct	581 ms	3388 KB	Output is correct
110	Correct	530 ms	3436 KB	Output is correct
111	Correct	54 ms	980 KB	Output is correct
112	Correct	51 ms	996 KB	Output is correct
113	Correct	52 ms	1100 KB	Output is correct
114	Correct	178 ms	1036 KB	Output is correct
115	Correct	123 ms	1100 KB	Output is correct
116	Correct	129 ms	1076 KB	Output is correct
117	Correct	136 ms	1040 KB	Output is correct
118	Correct	95 ms	1060 KB	Output is correct
119	Correct	113 ms	1072 KB	Output is correct
120	Correct	99 ms	1000 KB	Output is correct
121	Correct	101 ms	1084 KB	Output is correct
122	Correct	183 ms	1760 KB	Output is correct
123	Correct	168 ms	1796 KB	Output is correct
124	Correct	147 ms	1852 KB	Output is correct
125	Correct	143 ms	1752 KB	Output is correct
126	Correct	137 ms	1856 KB	Output is correct
127	Correct	126 ms	1804 KB	Output is correct
128	Correct	122 ms	1824 KB	Output is correct
129	Correct	114 ms	1852 KB	Output is correct
130	Correct	108 ms	1864 KB	Output is correct
131	Correct	521 ms	2032 KB	Output is correct
132	Correct	379 ms	1808 KB	Output is correct
133	Correct	379 ms	1972 KB	Output is correct
134	Correct	397 ms	1824 KB	Output is correct
135	Correct	274 ms	1824 KB	Output is correct
136	Correct	271 ms	1856 KB	Output is correct
137	Correct	292 ms	1800 KB	Output is correct
138	Correct	300 ms	1824 KB	Output is correct
139	Correct	215 ms	1864 KB	Output is correct
140	Correct	228 ms	1864 KB	Output is correct
141	Correct	239 ms	1764 KB	Output is correct
142	Correct	429 ms	3460 KB	Output is correct
143	Correct	405 ms	3388 KB	Output is correct
144	Correct	371 ms	3360 KB	Output is correct
145	Correct	360 ms	3280 KB	Output is correct
146	Correct	327 ms	3436 KB	Output is correct
147	Correct	335 ms	3428 KB	Output is correct
148	Correct	436 ms	3376 KB	Output is correct
149	Correct	423 ms	3392 KB	Output is correct
150	Correct	429 ms	3448 KB	Output is correct
151	Correct	563 ms	3276 KB	Output is correct
152	Correct	572 ms	3452 KB	Output is correct
153	Correct	841 ms	3508 KB	Output is correct
154	Correct	797 ms	3440 KB	Output is correct
155	Correct	863 ms	3448 KB	Output is correct
156	Correct	904 ms	3372 KB	Output is correct
157	Correct	831 ms	3372 KB	Output is correct
158	Correct	875 ms	3392 KB	Output is correct
159	Correct	670 ms	3380 KB	Output is correct
160	Correct	667 ms	3380 KB	Output is correct
161	Correct	710 ms	3400 KB	Output is correct
162	Correct	568 ms	3400 KB	Output is correct
163	Correct	553 ms	3556 KB	Output is correct
164	Correct	526 ms	3456 KB	Output is correct
165	Correct	537 ms	3376 KB	Output is correct
166	Correct	560 ms	3388 KB	Output is correct
167	Correct	567 ms	3356 KB	Output is correct

답안 #696764

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 37.0 / 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
37.0 / 37.0