답안 #1003658

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1003658	2024-06-20T14:45:06 Z	GrindMachine	Amusement Park (CEOI19_amusementpark)	C++17	100 / 100	1354 ms	223208 KB

amusementpark

#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>

using namespace std;
using namespace __gnu_pbds;

template<typename T> using Tree = tree<T, null_type, less<T>, rb_tree_tag, tree_order_statistics_node_update>;
typedef long long int ll;
typedef long double ld;
typedef pair<int,int> pii;
typedef pair<ll,ll> pll;

#define fastio ios_base::sync_with_stdio(false); cin.tie(NULL)
#define pb push_back
#define endl '\n'
#define sz(a) (int)a.size()
#define setbits(x) __builtin_popcountll(x)
#define ff first
#define ss second
#define conts continue
#define ceil2(x,y) ((x+y-1)/(y))
#define all(a) a.begin(), a.end()
#define rall(a) a.rbegin(), a.rend()
#define yes cout << "Yes" << endl
#define no cout << "No" << endl

#define rep(i,n) for(int i = 0; i < n; ++i)
#define rep1(i,n) for(int i = 1; i <= n; ++i)
#define rev(i,s,e) for(int i = s; i >= e; --i)
#define trav(i,a) for(auto &i : a)

template<typename T>
void amin(T &a, T b) {
    a = min(a,b);
}

template<typename T>
void amax(T &a, T b) {
    a = max(a,b);
}

#ifdef LOCAL
#include "debug.h"
#else
#define debug(...) 42
#endif

/*

read the solution a long time ago and remember some ideas from there

*/

const int MOD = 998244353;
const int N = 20 + 5;
const int inf1 = int(1e9) + 5;
const ll inf2 = ll(1e18) + 5;

vector<pii> adj[N];

void solve(int test_case)
{
    int n,m; cin >> n >> m;
    rep1(i,m){
        int u,v; cin >> u >> v;
        u--, v--;
        adj[u].pb({v,0}), adj[v].pb({u,1});
    }

    unordered_map<int,int> dp[1<<n];
    dp[0][0] = 1;

    rep(mask,1<<n){
        ll unset = ((1<<n)-1)^mask;
        for(auto [bad,x] : dp[mask]){
            rep(u,n){
                if(mask&(1<<u) or bad&(1<<u)) conts;
                int mask2 = mask|(1<<u);
                int bad2 = bad;
                bad2 |= (1<<u)-1;
                bad2 &= unset;

                for(auto [v,t] : adj[u]){
                    if(mask&(1<<v)) conts;
                    if(bad2&(1<<v)){
                        bad2 ^= (1<<v);
                    }
                }

                dp[mask2][bad2] += x;
                dp[mask2][bad2] %= MOD;
            }
        }
    }

    ll ans = dp[(1<<n)-1][0];
    ans = ans*m%MOD*((MOD+1)/2)%MOD;
    cout << ans << endl;
}

int main()
{
    fastio;

    int t = 1;
    // cin >> t;

    rep1(i, t) {
        solve(i);
    }

    return 0;
}

Subtask #1
7.0 / 7.0

#	결과	메모리	Grader output
1	Correct	344 KB	Output is correct
2	Correct	344 KB	Output is correct
3	Correct	348 KB	Output is correct
4	Correct	348 KB	Output is correct
5	Correct	348 KB	Output is correct
6	Correct	348 KB	Output is correct
7	Correct	348 KB	Output is correct
8	Correct	348 KB	Output is correct

Subtask #2
12.0 / 12.0

#	결과	메모리	Grader output
1	Correct	344 KB	Output is correct
2	Correct	344 KB	Output is correct
3	Correct	348 KB	Output is correct
4	Correct	348 KB	Output is correct
5	Correct	348 KB	Output is correct
6	Correct	348 KB	Output is correct
7	Correct	348 KB	Output is correct
8	Correct	348 KB	Output is correct
9	Correct	348 KB	Output is correct
10	Correct	348 KB	Output is correct
11	Correct	348 KB	Output is correct
12	Correct	348 KB	Output is correct
13	Correct	348 KB	Output is correct
14	Correct	344 KB	Output is correct
15	Correct	348 KB	Output is correct
16	Correct	348 KB	Output is correct
17	Correct	348 KB	Output is correct
18	Correct	348 KB	Output is correct
19	Correct	344 KB	Output is correct
20	Correct	348 KB	Output is correct
21	Correct	348 KB	Output is correct
22	Correct	348 KB	Output is correct
23	Correct	348 KB	Output is correct
24	Correct	348 KB	Output is correct

Subtask #3
23.0 / 23.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	344 KB	Output is correct
2	Correct	0 ms	344 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	348 KB	Output is correct
9	Correct	0 ms	348 KB	Output is correct
10	Correct	0 ms	348 KB	Output is correct
11	Correct	0 ms	348 KB	Output is correct
12	Correct	0 ms	348 KB	Output is correct
13	Correct	0 ms	348 KB	Output is correct
14	Correct	0 ms	344 KB	Output is correct
15	Correct	0 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	344 KB	Output is correct
20	Correct	0 ms	348 KB	Output is correct
21	Correct	0 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	0 ms	348 KB	Output is correct
25	Correct	0 ms	344 KB	Output is correct
26	Correct	0 ms	348 KB	Output is correct
27	Correct	0 ms	348 KB	Output is correct
28	Correct	0 ms	348 KB	Output is correct
29	Correct	0 ms	348 KB	Output is correct
30	Correct	0 ms	348 KB	Output is correct
31	Correct	0 ms	348 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	0 ms	348 KB	Output is correct
37	Correct	0 ms	348 KB	Output is correct
38	Correct	1 ms	348 KB	Output is correct
39	Correct	0 ms	348 KB	Output is correct
40	Correct	0 ms	348 KB	Output is correct
41	Correct	0 ms	348 KB	Output is correct
42	Correct	0 ms	348 KB	Output is correct
43	Correct	1 ms	344 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	344 KB	Output is correct
47	Correct	0 ms	348 KB	Output is correct
48	Correct	1 ms	348 KB	Output is correct
49	Correct	1 ms	344 KB	Output is correct
50	Correct	0 ms	344 KB	Output is correct
51	Correct	0 ms	348 KB	Output is correct
52	Correct	0 ms	604 KB	Output is correct
53	Correct	1 ms	600 KB	Output is correct
54	Correct	1 ms	856 KB	Output is correct
55	Correct	1 ms	604 KB	Output is correct
56	Correct	1 ms	604 KB	Output is correct
57	Correct	1 ms	600 KB	Output is correct
58	Correct	1 ms	604 KB	Output is correct
59	Correct	1 ms	604 KB	Output is correct
60	Correct	1 ms	604 KB	Output is correct
61	Correct	1 ms	604 KB	Output is correct
62	Correct	1 ms	604 KB	Output is correct
63	Correct	1 ms	604 KB	Output is correct
64	Correct	1 ms	680 KB	Output is correct

Subtask #4
21.0 / 21.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	344 KB	Output is correct
2	Correct	0 ms	344 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	348 KB	Output is correct
9	Correct	0 ms	348 KB	Output is correct
10	Correct	0 ms	348 KB	Output is correct
11	Correct	0 ms	348 KB	Output is correct
12	Correct	0 ms	348 KB	Output is correct
13	Correct	0 ms	348 KB	Output is correct
14	Correct	0 ms	344 KB	Output is correct
15	Correct	0 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	344 KB	Output is correct
20	Correct	0 ms	348 KB	Output is correct
21	Correct	0 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	0 ms	348 KB	Output is correct
25	Correct	0 ms	344 KB	Output is correct
26	Correct	0 ms	348 KB	Output is correct
27	Correct	0 ms	348 KB	Output is correct
28	Correct	0 ms	348 KB	Output is correct
29	Correct	0 ms	348 KB	Output is correct
30	Correct	0 ms	348 KB	Output is correct
31	Correct	0 ms	348 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	0 ms	348 KB	Output is correct
37	Correct	0 ms	348 KB	Output is correct
38	Correct	1 ms	348 KB	Output is correct
39	Correct	0 ms	348 KB	Output is correct
40	Correct	0 ms	348 KB	Output is correct
41	Correct	0 ms	348 KB	Output is correct
42	Correct	0 ms	348 KB	Output is correct
43	Correct	1 ms	344 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	344 KB	Output is correct
47	Correct	0 ms	348 KB	Output is correct
48	Correct	1 ms	348 KB	Output is correct
49	Correct	1 ms	344 KB	Output is correct
50	Correct	0 ms	344 KB	Output is correct
51	Correct	0 ms	348 KB	Output is correct
52	Correct	0 ms	604 KB	Output is correct
53	Correct	1 ms	600 KB	Output is correct
54	Correct	1 ms	856 KB	Output is correct
55	Correct	1 ms	604 KB	Output is correct
56	Correct	1 ms	604 KB	Output is correct
57	Correct	1 ms	600 KB	Output is correct
58	Correct	1 ms	604 KB	Output is correct
59	Correct	1 ms	604 KB	Output is correct
60	Correct	1 ms	604 KB	Output is correct
61	Correct	1 ms	604 KB	Output is correct
62	Correct	1 ms	604 KB	Output is correct
63	Correct	1 ms	604 KB	Output is correct
64	Correct	1 ms	680 KB	Output is correct
65	Correct	20 ms	6236 KB	Output is correct
66	Correct	31 ms	7260 KB	Output is correct
67	Correct	33 ms	6748 KB	Output is correct
68	Correct	34 ms	6484 KB	Output is correct
69	Correct	8 ms	4188 KB	Output is correct
70	Correct	16 ms	4700 KB	Output is correct
71	Correct	12 ms	4516 KB	Output is correct
72	Correct	12 ms	4572 KB	Output is correct
73	Correct	15 ms	4696 KB	Output is correct
74	Correct	15 ms	4776 KB	Output is correct
75	Correct	15 ms	4696 KB	Output is correct
76	Correct	15 ms	4700 KB	Output is correct
77	Correct	45 ms	13648 KB	Output is correct
78	Correct	58 ms	14676 KB	Output is correct
79	Correct	86 ms	17256 KB	Output is correct
80	Correct	68 ms	14584 KB	Output is correct
81	Correct	85 ms	15952 KB	Output is correct
82	Correct	82 ms	14416 KB	Output is correct
83	Correct	79 ms	13908 KB	Output is correct
84	Correct	69 ms	11612 KB	Output is correct
85	Correct	21 ms	8344 KB	Output is correct
86	Correct	24 ms	9048 KB	Output is correct
87	Correct	24 ms	9120 KB	Output is correct
88	Correct	33 ms	9096 KB	Output is correct
89	Correct	30 ms	9300 KB	Output is correct
90	Correct	31 ms	9300 KB	Output is correct
91	Correct	30 ms	9216 KB	Output is correct
92	Correct	30 ms	9128 KB	Output is correct

Subtask #5
37.0 / 37.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	344 KB	Output is correct
2	Correct	0 ms	344 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	348 KB	Output is correct
9	Correct	0 ms	348 KB	Output is correct
10	Correct	0 ms	348 KB	Output is correct
11	Correct	0 ms	348 KB	Output is correct
12	Correct	0 ms	348 KB	Output is correct
13	Correct	0 ms	348 KB	Output is correct
14	Correct	0 ms	344 KB	Output is correct
15	Correct	0 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	344 KB	Output is correct
20	Correct	0 ms	348 KB	Output is correct
21	Correct	0 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	0 ms	348 KB	Output is correct
25	Correct	0 ms	344 KB	Output is correct
26	Correct	0 ms	348 KB	Output is correct
27	Correct	0 ms	348 KB	Output is correct
28	Correct	0 ms	348 KB	Output is correct
29	Correct	0 ms	348 KB	Output is correct
30	Correct	0 ms	348 KB	Output is correct
31	Correct	0 ms	348 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	0 ms	348 KB	Output is correct
37	Correct	0 ms	348 KB	Output is correct
38	Correct	1 ms	348 KB	Output is correct
39	Correct	0 ms	348 KB	Output is correct
40	Correct	0 ms	348 KB	Output is correct
41	Correct	0 ms	348 KB	Output is correct
42	Correct	0 ms	348 KB	Output is correct
43	Correct	1 ms	344 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	344 KB	Output is correct
47	Correct	0 ms	348 KB	Output is correct
48	Correct	1 ms	348 KB	Output is correct
49	Correct	1 ms	344 KB	Output is correct
50	Correct	0 ms	344 KB	Output is correct
51	Correct	0 ms	348 KB	Output is correct
52	Correct	0 ms	604 KB	Output is correct
53	Correct	1 ms	600 KB	Output is correct
54	Correct	1 ms	856 KB	Output is correct
55	Correct	1 ms	604 KB	Output is correct
56	Correct	1 ms	604 KB	Output is correct
57	Correct	1 ms	600 KB	Output is correct
58	Correct	1 ms	604 KB	Output is correct
59	Correct	1 ms	604 KB	Output is correct
60	Correct	1 ms	604 KB	Output is correct
61	Correct	1 ms	604 KB	Output is correct
62	Correct	1 ms	604 KB	Output is correct
63	Correct	1 ms	604 KB	Output is correct
64	Correct	1 ms	680 KB	Output is correct
65	Correct	20 ms	6236 KB	Output is correct
66	Correct	31 ms	7260 KB	Output is correct
67	Correct	33 ms	6748 KB	Output is correct
68	Correct	34 ms	6484 KB	Output is correct
69	Correct	8 ms	4188 KB	Output is correct
70	Correct	16 ms	4700 KB	Output is correct
71	Correct	12 ms	4516 KB	Output is correct
72	Correct	12 ms	4572 KB	Output is correct
73	Correct	15 ms	4696 KB	Output is correct
74	Correct	15 ms	4776 KB	Output is correct
75	Correct	15 ms	4696 KB	Output is correct
76	Correct	15 ms	4700 KB	Output is correct
77	Correct	45 ms	13648 KB	Output is correct
78	Correct	58 ms	14676 KB	Output is correct
79	Correct	86 ms	17256 KB	Output is correct
80	Correct	68 ms	14584 KB	Output is correct
81	Correct	85 ms	15952 KB	Output is correct
82	Correct	82 ms	14416 KB	Output is correct
83	Correct	79 ms	13908 KB	Output is correct
84	Correct	69 ms	11612 KB	Output is correct
85	Correct	21 ms	8344 KB	Output is correct
86	Correct	24 ms	9048 KB	Output is correct
87	Correct	24 ms	9120 KB	Output is correct
88	Correct	33 ms	9096 KB	Output is correct
89	Correct	30 ms	9300 KB	Output is correct
90	Correct	31 ms	9300 KB	Output is correct
91	Correct	30 ms	9216 KB	Output is correct
92	Correct	30 ms	9128 KB	Output is correct
93	Correct	289 ms	74752 KB	Output is correct
94	Correct	131 ms	56516 KB	Output is correct
95	Correct	105 ms	52564 KB	Output is correct
96	Correct	381 ms	76628 KB	Output is correct
97	Correct	350 ms	76372 KB	Output is correct
98	Correct	308 ms	74068 KB	Output is correct
99	Correct	67 ms	22616 KB	Output is correct
100	Correct	108 ms	30288 KB	Output is correct
101	Correct	169 ms	36808 KB	Output is correct
102	Correct	202 ms	38736 KB	Output is correct
103	Correct	52 ms	25936 KB	Output is correct
104	Correct	37 ms	26424 KB	Output is correct
105	Correct	68 ms	34132 KB	Output is correct
106	Correct	253 ms	61704 KB	Output is correct
107	Correct	73 ms	51552 KB	Output is correct
108	Correct	156 ms	71508 KB	Output is correct
109	Correct	588 ms	131968 KB	Output is correct
110	Correct	1327 ms	223208 KB	Output is correct
111	Correct	236 ms	38224 KB	Output is correct
112	Correct	170 ms	31472 KB	Output is correct
113	Correct	190 ms	30076 KB	Output is correct
114	Correct	36 ms	16744 KB	Output is correct
115	Correct	56 ms	18008 KB	Output is correct
116	Correct	56 ms	18256 KB	Output is correct
117	Correct	49 ms	18056 KB	Output is correct
118	Correct	65 ms	18516 KB	Output is correct
119	Correct	67 ms	18512 KB	Output is correct
120	Correct	67 ms	18512 KB	Output is correct
121	Correct	68 ms	18516 KB	Output is correct
122	Correct	332 ms	67016 KB	Output is correct
123	Correct	518 ms	85628 KB	Output is correct
124	Correct	548 ms	80720 KB	Output is correct
125	Correct	509 ms	74324 KB	Output is correct
126	Correct	472 ms	66472 KB	Output is correct
127	Correct	341 ms	49632 KB	Output is correct
128	Correct	303 ms	39880 KB	Output is correct
129	Correct	206 ms	32848 KB	Output is correct
130	Correct	117 ms	25952 KB	Output is correct
131	Correct	90 ms	33620 KB	Output is correct
132	Correct	131 ms	36640 KB	Output is correct
133	Correct	122 ms	36688 KB	Output is correct
134	Correct	123 ms	36688 KB	Output is correct
135	Correct	156 ms	37608 KB	Output is correct
136	Correct	185 ms	37716 KB	Output is correct
137	Correct	141 ms	37712 KB	Output is correct
138	Correct	128 ms	37576 KB	Output is correct
139	Correct	182 ms	37504 KB	Output is correct
140	Correct	154 ms	37456 KB	Output is correct
141	Correct	147 ms	37456 KB	Output is correct
142	Correct	1179 ms	187868 KB	Output is correct
143	Correct	1304 ms	174932 KB	Output is correct
144	Correct	1006 ms	130896 KB	Output is correct
145	Correct	806 ms	103240 KB	Output is correct
146	Correct	564 ms	73868 KB	Output is correct
147	Correct	213 ms	51648 KB	Output is correct
148	Correct	1180 ms	178668 KB	Output is correct
149	Correct	1114 ms	174676 KB	Output is correct
150	Correct	1354 ms	196624 KB	Output is correct
151	Correct	243 ms	75348 KB	Output is correct
152	Correct	252 ms	77408 KB	Output is correct
153	Correct	344 ms	76704 KB	Output is correct
154	Correct	315 ms	76624 KB	Output is correct
155	Correct	324 ms	76628 KB	Output is correct
156	Correct	318 ms	77048 KB	Output is correct
157	Correct	348 ms	76624 KB	Output is correct
158	Correct	315 ms	76624 KB	Output is correct
159	Correct	373 ms	76628 KB	Output is correct
160	Correct	371 ms	76744 KB	Output is correct
161	Correct	375 ms	76508 KB	Output is correct
162	Correct	417 ms	75604 KB	Output is correct
163	Correct	409 ms	75348 KB	Output is correct
164	Correct	398 ms	75412 KB	Output is correct
165	Correct	393 ms	75344 KB	Output is correct
166	Correct	397 ms	75652 KB	Output is correct
167	Correct	381 ms	75436 KB	Output is correct

답안 #1003658

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