답안 #405559

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
405559	2021-05-16T14:29:06 Z	Falcon	Amusement Park (CEOI19_amusementpark)	C++17	63 / 100	3000 ms	25404 KB

amusementpark

#include <vector>
#include <array>
#include <iostream>

#ifdef DEBUG
#include "debug.hpp"
#endif

using namespace std;

#define all(c)              (c).begin(), (c).end()
#define rall(c)             (c).rbegin(), (c).rend()
#define traverse(c, it)     for(auto it = (c).begin(); it != (c).end(); ++it)
#define rep(i, N)           for(int i = 0; i < (N); ++i)
#define rrep(i, N)          for(int i = (N) - 1; i >= 0; --i)
#define rep1(i, N)          for(int i = 1; i <= (N); ++i)
#define rep2(i, s, e)       for(int i = (s); i <= (e); ++i)

#ifdef DEBUG
#define debug(x...)         { \
                            ++dbg::depth; \
                            string dbg_vals = dbg::to_string(x); \
                            --dbg::depth; \
                            dbg::fprint(__func__, __LINE__, #x, dbg_vals); \
                            }

#define light_debug(x)      { \
                            dbg::light = true; \
                            dbg::dout << __func__ << ":" << __LINE__; \
                            dbg::dout << "  " << #x << " = " << x << endl; \
                            dbg::light = false; \
                            }

#else
#define debug(x...)         42
#define light_debug(x)      42
#endif


using ll = long long;

template<typename T>
inline T& ckmin(T& a, T b) { return a = a > b ? b : a; }

template<typename T>
inline T& ckmax(T& a, T b) { return a = a < b ? b : a; }


constexpr int mod{998244353};

int main() {
    ios_base::sync_with_stdio(false);
    cin.tie(0);
    array<bool, 1 << 18> parity;
    rep(i, 1 << 18) parity[i] = __builtin_popcount(i) % 2 == 0;

    array<int, 1 << 18> lg;
    rep(i, 1 << 18) lg[i] = __lg(i);

    int n, m; cin >> n >> m;
    vector<vector<bool>> adj(n, vector<bool>(n));
    rep(i, m) {
        int u, v; cin >> u >> v; --u, --v;
        adj[u][v] = true;
    }

    vector<bool> is_independent(1 << n);
    rep(mask, 1 << n) {
        is_independent[mask] = true;        
        rep(i, n) if(mask & (1 << i))
            rep(j, n)
                if(adj[i][j] && (mask & (1 << j)))
                    is_independent[mask] = false;
    }
    
    vector<vector<int>> single_cost(n, vector<int>(1 << n));
    rep(i, n)
        rep1(mask, (1 << n) - 1) {
             single_cost[i][mask] = single_cost[i][mask - (1 << lg[mask])]
                 + adj[lg[mask]][i];  
        }
            

    vector<long long> dp_s(1 << n), dp_c(1 << n); dp_c[0] = 1;
    vector<int> partial_cost(1 << n);

    int j, sources;
    long long t_s, t_c;
    rep1(mask, (1 << n) - 1) {
        for(sources = mask & (mask - 1); ; sources = (sources - 1) & mask) {
            sources = mask - sources;

            if(is_independent[sources]) {
                j = lg[sources];
                partial_cost[sources] =
                    partial_cost[sources - (1 << j)] + single_cost[j][mask];
                t_s = dp_s[mask ^ sources] + 
                    dp_c[mask ^ sources] * partial_cost[sources] % mod;
                dp_s[mask] += parity[sources] ? -t_s : t_s;

                t_c = dp_c[mask ^ sources];
                dp_c[mask] += parity[sources] ? -t_c : t_c;
            }

            sources = mask - sources;
            if(sources == 0) break;
        }

        ((dp_c[mask] %= mod) += mod) %= mod;
        ((dp_s[mask] %= mod) += mod) %= mod;
    }

    cout << dp_s.back() << '\n';
    
    
    #ifdef DEBUG
    dbg::dout << "\nExecution time: "
              << clock() * 1000 / CLOCKS_PER_SEC 
              << "ms" << endl;
    #endif
    return 0;
}

Subtask #1
7.0 / 7.0

#	결과	실행 시간	메모리	Grader output
1	Correct	3 ms	1484 KB	Output is correct
2	Correct	4 ms	1484 KB	Output is correct
3	Correct	3 ms	1484 KB	Output is correct
4	Correct	3 ms	1484 KB	Output is correct
5	Correct	3 ms	1484 KB	Output is correct
6	Correct	3 ms	1484 KB	Output is correct
7	Correct	3 ms	1484 KB	Output is correct
8	Correct	3 ms	1484 KB	Output is correct

Subtask #2
12.0 / 12.0

#	결과	실행 시간	메모리	Grader output
1	Correct	3 ms	1484 KB	Output is correct
2	Correct	4 ms	1484 KB	Output is correct
3	Correct	3 ms	1484 KB	Output is correct
4	Correct	3 ms	1484 KB	Output is correct
5	Correct	3 ms	1484 KB	Output is correct
6	Correct	3 ms	1484 KB	Output is correct
7	Correct	3 ms	1484 KB	Output is correct
8	Correct	3 ms	1484 KB	Output is correct
9	Correct	3 ms	1484 KB	Output is correct
10	Correct	3 ms	1484 KB	Output is correct
11	Correct	3 ms	1484 KB	Output is correct
12	Correct	4 ms	1484 KB	Output is correct
13	Correct	4 ms	1484 KB	Output is correct
14	Correct	3 ms	1484 KB	Output is correct
15	Correct	3 ms	1484 KB	Output is correct
16	Correct	3 ms	1484 KB	Output is correct
17	Correct	3 ms	1484 KB	Output is correct
18	Correct	3 ms	1484 KB	Output is correct
19	Correct	3 ms	1484 KB	Output is correct
20	Correct	3 ms	1484 KB	Output is correct
21	Correct	3 ms	1484 KB	Output is correct
22	Correct	3 ms	1484 KB	Output is correct
23	Correct	3 ms	1484 KB	Output is correct
24	Correct	4 ms	1484 KB	Output is correct

Subtask #3
23.0 / 23.0

#	결과	실행 시간	메모리	Grader output
1	Correct	3 ms	1484 KB	Output is correct
2	Correct	4 ms	1484 KB	Output is correct
3	Correct	3 ms	1484 KB	Output is correct
4	Correct	3 ms	1484 KB	Output is correct
5	Correct	3 ms	1484 KB	Output is correct
6	Correct	3 ms	1484 KB	Output is correct
7	Correct	3 ms	1484 KB	Output is correct
8	Correct	3 ms	1484 KB	Output is correct
9	Correct	3 ms	1484 KB	Output is correct
10	Correct	3 ms	1484 KB	Output is correct
11	Correct	3 ms	1484 KB	Output is correct
12	Correct	4 ms	1484 KB	Output is correct
13	Correct	4 ms	1484 KB	Output is correct
14	Correct	3 ms	1484 KB	Output is correct
15	Correct	3 ms	1484 KB	Output is correct
16	Correct	3 ms	1484 KB	Output is correct
17	Correct	3 ms	1484 KB	Output is correct
18	Correct	3 ms	1484 KB	Output is correct
19	Correct	3 ms	1484 KB	Output is correct
20	Correct	3 ms	1484 KB	Output is correct
21	Correct	3 ms	1484 KB	Output is correct
22	Correct	3 ms	1484 KB	Output is correct
23	Correct	3 ms	1484 KB	Output is correct
24	Correct	4 ms	1484 KB	Output is correct
25	Correct	3 ms	1484 KB	Output is correct
26	Correct	3 ms	1484 KB	Output is correct
27	Correct	4 ms	1516 KB	Output is correct
28	Correct	3 ms	1484 KB	Output is correct
29	Correct	3 ms	1484 KB	Output is correct
30	Correct	3 ms	1484 KB	Output is correct
31	Correct	3 ms	1504 KB	Output is correct
32	Correct	3 ms	1484 KB	Output is correct
33	Correct	3 ms	1484 KB	Output is correct
34	Correct	3 ms	1484 KB	Output is correct
35	Correct	3 ms	1484 KB	Output is correct
36	Correct	3 ms	1484 KB	Output is correct
37	Correct	3 ms	1484 KB	Output is correct
38	Correct	3 ms	1484 KB	Output is correct
39	Correct	3 ms	1484 KB	Output is correct
40	Correct	3 ms	1612 KB	Output is correct
41	Correct	3 ms	1612 KB	Output is correct
42	Correct	3 ms	1612 KB	Output is correct
43	Correct	4 ms	1612 KB	Output is correct
44	Correct	3 ms	1612 KB	Output is correct
45	Correct	3 ms	1612 KB	Output is correct
46	Correct	3 ms	1612 KB	Output is correct
47	Correct	3 ms	1612 KB	Output is correct
48	Correct	3 ms	1612 KB	Output is correct
49	Correct	3 ms	1484 KB	Output is correct
50	Correct	3 ms	1612 KB	Output is correct
51	Correct	4 ms	1484 KB	Output is correct
52	Correct	3 ms	1612 KB	Output is correct
53	Correct	3 ms	1612 KB	Output is correct
54	Correct	4 ms	1612 KB	Output is correct
55	Correct	3 ms	1612 KB	Output is correct
56	Correct	3 ms	1588 KB	Output is correct
57	Correct	3 ms	1584 KB	Output is correct
58	Correct	3 ms	1612 KB	Output is correct
59	Correct	5 ms	1612 KB	Output is correct
60	Correct	4 ms	1612 KB	Output is correct
61	Correct	5 ms	1588 KB	Output is correct
62	Correct	3 ms	1612 KB	Output is correct
63	Correct	3 ms	1612 KB	Output is correct
64	Correct	3 ms	1612 KB	Output is correct

Subtask #4
21.0 / 21.0

#	결과	실행 시간	메모리	Grader output
1	Correct	3 ms	1484 KB	Output is correct
2	Correct	4 ms	1484 KB	Output is correct
3	Correct	3 ms	1484 KB	Output is correct
4	Correct	3 ms	1484 KB	Output is correct
5	Correct	3 ms	1484 KB	Output is correct
6	Correct	3 ms	1484 KB	Output is correct
7	Correct	3 ms	1484 KB	Output is correct
8	Correct	3 ms	1484 KB	Output is correct
9	Correct	3 ms	1484 KB	Output is correct
10	Correct	3 ms	1484 KB	Output is correct
11	Correct	3 ms	1484 KB	Output is correct
12	Correct	4 ms	1484 KB	Output is correct
13	Correct	4 ms	1484 KB	Output is correct
14	Correct	3 ms	1484 KB	Output is correct
15	Correct	3 ms	1484 KB	Output is correct
16	Correct	3 ms	1484 KB	Output is correct
17	Correct	3 ms	1484 KB	Output is correct
18	Correct	3 ms	1484 KB	Output is correct
19	Correct	3 ms	1484 KB	Output is correct
20	Correct	3 ms	1484 KB	Output is correct
21	Correct	3 ms	1484 KB	Output is correct
22	Correct	3 ms	1484 KB	Output is correct
23	Correct	3 ms	1484 KB	Output is correct
24	Correct	4 ms	1484 KB	Output is correct
25	Correct	3 ms	1484 KB	Output is correct
26	Correct	3 ms	1484 KB	Output is correct
27	Correct	4 ms	1516 KB	Output is correct
28	Correct	3 ms	1484 KB	Output is correct
29	Correct	3 ms	1484 KB	Output is correct
30	Correct	3 ms	1484 KB	Output is correct
31	Correct	3 ms	1504 KB	Output is correct
32	Correct	3 ms	1484 KB	Output is correct
33	Correct	3 ms	1484 KB	Output is correct
34	Correct	3 ms	1484 KB	Output is correct
35	Correct	3 ms	1484 KB	Output is correct
36	Correct	3 ms	1484 KB	Output is correct
37	Correct	3 ms	1484 KB	Output is correct
38	Correct	3 ms	1484 KB	Output is correct
39	Correct	3 ms	1484 KB	Output is correct
40	Correct	3 ms	1612 KB	Output is correct
41	Correct	3 ms	1612 KB	Output is correct
42	Correct	3 ms	1612 KB	Output is correct
43	Correct	4 ms	1612 KB	Output is correct
44	Correct	3 ms	1612 KB	Output is correct
45	Correct	3 ms	1612 KB	Output is correct
46	Correct	3 ms	1612 KB	Output is correct
47	Correct	3 ms	1612 KB	Output is correct
48	Correct	3 ms	1612 KB	Output is correct
49	Correct	3 ms	1484 KB	Output is correct
50	Correct	3 ms	1612 KB	Output is correct
51	Correct	4 ms	1484 KB	Output is correct
52	Correct	3 ms	1612 KB	Output is correct
53	Correct	3 ms	1612 KB	Output is correct
54	Correct	4 ms	1612 KB	Output is correct
55	Correct	3 ms	1612 KB	Output is correct
56	Correct	3 ms	1588 KB	Output is correct
57	Correct	3 ms	1584 KB	Output is correct
58	Correct	3 ms	1612 KB	Output is correct
59	Correct	5 ms	1612 KB	Output is correct
60	Correct	4 ms	1612 KB	Output is correct
61	Correct	5 ms	1588 KB	Output is correct
62	Correct	3 ms	1612 KB	Output is correct
63	Correct	3 ms	1612 KB	Output is correct
64	Correct	3 ms	1612 KB	Output is correct
65	Correct	24 ms	2744 KB	Output is correct
66	Correct	22 ms	2824 KB	Output is correct
67	Correct	20 ms	2764 KB	Output is correct
68	Correct	20 ms	2804 KB	Output is correct
69	Correct	40 ms	2804 KB	Output is correct
70	Correct	32 ms	2828 KB	Output is correct
71	Correct	30 ms	2764 KB	Output is correct
72	Correct	29 ms	2816 KB	Output is correct
73	Correct	29 ms	2764 KB	Output is correct
74	Correct	27 ms	2824 KB	Output is correct
75	Correct	26 ms	2832 KB	Output is correct
76	Correct	25 ms	2736 KB	Output is correct
77	Correct	63 ms	4168 KB	Output is correct
78	Correct	57 ms	4148 KB	Output is correct
79	Correct	55 ms	4224 KB	Output is correct
80	Correct	51 ms	4144 KB	Output is correct
81	Correct	50 ms	4288 KB	Output is correct
82	Correct	47 ms	4232 KB	Output is correct
83	Correct	48 ms	4228 KB	Output is correct
84	Correct	46 ms	4216 KB	Output is correct
85	Correct	119 ms	4216 KB	Output is correct
86	Correct	89 ms	4212 KB	Output is correct
87	Correct	82 ms	4152 KB	Output is correct
88	Correct	91 ms	4168 KB	Output is correct
89	Correct	77 ms	4152 KB	Output is correct
90	Correct	72 ms	4228 KB	Output is correct
91	Correct	66 ms	4288 KB	Output is correct
92	Correct	66 ms	4216 KB	Output is correct

Subtask #5
0 / 37.0

#	결과	실행 시간	메모리	Grader output
1	Correct	3 ms	1484 KB	Output is correct
2	Correct	4 ms	1484 KB	Output is correct
3	Correct	3 ms	1484 KB	Output is correct
4	Correct	3 ms	1484 KB	Output is correct
5	Correct	3 ms	1484 KB	Output is correct
6	Correct	3 ms	1484 KB	Output is correct
7	Correct	3 ms	1484 KB	Output is correct
8	Correct	3 ms	1484 KB	Output is correct
9	Correct	3 ms	1484 KB	Output is correct
10	Correct	3 ms	1484 KB	Output is correct
11	Correct	3 ms	1484 KB	Output is correct
12	Correct	4 ms	1484 KB	Output is correct
13	Correct	4 ms	1484 KB	Output is correct
14	Correct	3 ms	1484 KB	Output is correct
15	Correct	3 ms	1484 KB	Output is correct
16	Correct	3 ms	1484 KB	Output is correct
17	Correct	3 ms	1484 KB	Output is correct
18	Correct	3 ms	1484 KB	Output is correct
19	Correct	3 ms	1484 KB	Output is correct
20	Correct	3 ms	1484 KB	Output is correct
21	Correct	3 ms	1484 KB	Output is correct
22	Correct	3 ms	1484 KB	Output is correct
23	Correct	3 ms	1484 KB	Output is correct
24	Correct	4 ms	1484 KB	Output is correct
25	Correct	3 ms	1484 KB	Output is correct
26	Correct	3 ms	1484 KB	Output is correct
27	Correct	4 ms	1516 KB	Output is correct
28	Correct	3 ms	1484 KB	Output is correct
29	Correct	3 ms	1484 KB	Output is correct
30	Correct	3 ms	1484 KB	Output is correct
31	Correct	3 ms	1504 KB	Output is correct
32	Correct	3 ms	1484 KB	Output is correct
33	Correct	3 ms	1484 KB	Output is correct
34	Correct	3 ms	1484 KB	Output is correct
35	Correct	3 ms	1484 KB	Output is correct
36	Correct	3 ms	1484 KB	Output is correct
37	Correct	3 ms	1484 KB	Output is correct
38	Correct	3 ms	1484 KB	Output is correct
39	Correct	3 ms	1484 KB	Output is correct
40	Correct	3 ms	1612 KB	Output is correct
41	Correct	3 ms	1612 KB	Output is correct
42	Correct	3 ms	1612 KB	Output is correct
43	Correct	4 ms	1612 KB	Output is correct
44	Correct	3 ms	1612 KB	Output is correct
45	Correct	3 ms	1612 KB	Output is correct
46	Correct	3 ms	1612 KB	Output is correct
47	Correct	3 ms	1612 KB	Output is correct
48	Correct	3 ms	1612 KB	Output is correct
49	Correct	3 ms	1484 KB	Output is correct
50	Correct	3 ms	1612 KB	Output is correct
51	Correct	4 ms	1484 KB	Output is correct
52	Correct	3 ms	1612 KB	Output is correct
53	Correct	3 ms	1612 KB	Output is correct
54	Correct	4 ms	1612 KB	Output is correct
55	Correct	3 ms	1612 KB	Output is correct
56	Correct	3 ms	1588 KB	Output is correct
57	Correct	3 ms	1584 KB	Output is correct
58	Correct	3 ms	1612 KB	Output is correct
59	Correct	5 ms	1612 KB	Output is correct
60	Correct	4 ms	1612 KB	Output is correct
61	Correct	5 ms	1588 KB	Output is correct
62	Correct	3 ms	1612 KB	Output is correct
63	Correct	3 ms	1612 KB	Output is correct
64	Correct	3 ms	1612 KB	Output is correct
65	Correct	24 ms	2744 KB	Output is correct
66	Correct	22 ms	2824 KB	Output is correct
67	Correct	20 ms	2764 KB	Output is correct
68	Correct	20 ms	2804 KB	Output is correct
69	Correct	40 ms	2804 KB	Output is correct
70	Correct	32 ms	2828 KB	Output is correct
71	Correct	30 ms	2764 KB	Output is correct
72	Correct	29 ms	2816 KB	Output is correct
73	Correct	29 ms	2764 KB	Output is correct
74	Correct	27 ms	2824 KB	Output is correct
75	Correct	26 ms	2832 KB	Output is correct
76	Correct	25 ms	2736 KB	Output is correct
77	Correct	63 ms	4168 KB	Output is correct
78	Correct	57 ms	4148 KB	Output is correct
79	Correct	55 ms	4224 KB	Output is correct
80	Correct	51 ms	4144 KB	Output is correct
81	Correct	50 ms	4288 KB	Output is correct
82	Correct	47 ms	4232 KB	Output is correct
83	Correct	48 ms	4228 KB	Output is correct
84	Correct	46 ms	4216 KB	Output is correct
85	Correct	119 ms	4216 KB	Output is correct
86	Correct	89 ms	4212 KB	Output is correct
87	Correct	82 ms	4152 KB	Output is correct
88	Correct	91 ms	4168 KB	Output is correct
89	Correct	77 ms	4152 KB	Output is correct
90	Correct	72 ms	4228 KB	Output is correct
91	Correct	66 ms	4288 KB	Output is correct
92	Correct	66 ms	4216 KB	Output is correct
93	Correct	2450 ms	25292 KB	Output is correct
94	Correct	2417 ms	25288 KB	Output is correct
95	Correct	2499 ms	25300 KB	Output is correct
96	Correct	2117 ms	25300 KB	Output is correct
97	Correct	1840 ms	25292 KB	Output is correct
98	Correct	2049 ms	25404 KB	Output is correct
99	Correct	178 ms	7052 KB	Output is correct
100	Correct	153 ms	7044 KB	Output is correct
101	Correct	148 ms	6972 KB	Output is correct
102	Correct	135 ms	7048 KB	Output is correct
103	Correct	1180 ms	12996 KB	Output is correct
104	Correct	752 ms	12960 KB	Output is correct
105	Correct	602 ms	12972 KB	Output is correct
106	Correct	436 ms	12960 KB	Output is correct
107	Execution timed out	3077 ms	25396 KB	Time limit exceeded
108	Halted	0 ms	0 KB	-

답안 #405559

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