Submission #799727

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
799727	2023-07-31T21:15:47 Z	Johann	Newspapers (CEOI21_newspapers)	C++14	50 / 100	10 ms	452 KB

newspapers

#include "bits/stdc++.h"
using namespace std;

typedef long long ll;
typedef vector<int> vi;
typedef vector<vi> vvi;
#define sz(x) (int)(x).size()
#define all(x) (x).begin(), (x).end()

int N, M;
vvi adj;
bool possible;
vi cnt[2];

void dfs(int v, int p)
{
    cnt[0][v] = 1;
    cnt[1][v] = 0;
    for (int u : adj[v])
        if (u != p)
        {
            dfs(u, v);
            cnt[0][v] += cnt[1][u];
            cnt[1][v] += cnt[0][u];
        }
}

int main()
{
    ios::sync_with_stdio(false);
    cin.tie(0);

    cin >> N >> M;
    if (M > N - 1)
    {
        cout << "NO\n";
        return 0;
    }

    adj.resize(N);

    for (int i = 0, a, b; i < M; ++i)
    {
        cin >> a >> b;
        --a, --b;
        adj[a].push_back(b), adj[b].push_back(a);
    }

    possible = true;
    cnt[0].resize(N), cnt[1].resize(N);
    for (int v = 0; v < N; ++v)
    {
        dfs(v, v);
        int crit = 0;
        for (int u : adj[v])
            if (cnt[0][u] >= 2)
                ++crit;
        if (crit > 2)
            possible = false;
    }

    if (possible)
    {
        cout << "YES\n";

        vi ans;
        ans.push_back(0);
        cout << sz(ans) << '\n';
        for (int x : ans)
            cout << x + 1 << " ";
        cout << '\n';
    }
    else
        cout << "NO\n";

    return 0;
}

Subtask #1
6.0 / 12.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	212 KB	Output is correct
2	Partially correct	0 ms	212 KB	Failed to provide a successful strategy.
3	Partially correct	1 ms	212 KB	Failed to provide a successful strategy.
4	Partially correct	1 ms	212 KB	Failed to provide a successful strategy.
5	Partially correct	1 ms	212 KB	Failed to provide a successful strategy.
6	Partially correct	1 ms	212 KB	Failed to provide a successful strategy.
7	Correct	1 ms	316 KB	Output is correct
8	Partially correct	1 ms	316 KB	Failed to provide a successful strategy.
9	Correct	1 ms	320 KB	Output is correct
10	Partially correct	1 ms	212 KB	Failed to provide a successful strategy.
11	Partially correct	1 ms	212 KB	Failed to provide a successful strategy.
12	Partially correct	1 ms	212 KB	Failed to provide a successful strategy.
13	Partially correct	1 ms	212 KB	Failed to provide a successful strategy.
14	Partially correct	0 ms	212 KB	Failed to provide a successful strategy.
15	Partially correct	0 ms	212 KB	Failed to provide a successful strategy.
16	Partially correct	1 ms	212 KB	Failed to provide a successful strategy.
17	Partially correct	1 ms	212 KB	Failed to provide a successful strategy.
18	Partially correct	1 ms	212 KB	Failed to provide a successful strategy.
19	Partially correct	0 ms	324 KB	Failed to provide a successful strategy.
20	Partially correct	1 ms	212 KB	Failed to provide a successful strategy.
21	Partially correct	1 ms	212 KB	Failed to provide a successful strategy.
22	Partially correct	1 ms	320 KB	Failed to provide a successful strategy.
23	Partially correct	1 ms	316 KB	Failed to provide a successful strategy.
24	Partially correct	0 ms	212 KB	Failed to provide a successful strategy.
25	Partially correct	0 ms	320 KB	Failed to provide a successful strategy.
26	Partially correct	1 ms	324 KB	Failed to provide a successful strategy.
27	Partially correct	1 ms	212 KB	Failed to provide a successful strategy.
28	Partially correct	1 ms	212 KB	Failed to provide a successful strategy.
29	Correct	0 ms	212 KB	Output is correct
30	Partially correct	0 ms	212 KB	Failed to provide a successful strategy.
31	Partially correct	0 ms	212 KB	Failed to provide a successful strategy.
32	Partially correct	1 ms	212 KB	Failed to provide a successful strategy.
33	Partially correct	1 ms	340 KB	Failed to provide a successful strategy.
34	Correct	0 ms	212 KB	Output is correct
35	Partially correct	1 ms	212 KB	Failed to provide a successful strategy.
36	Partially correct	0 ms	212 KB	Failed to provide a successful strategy.
37	Partially correct	0 ms	212 KB	Failed to provide a successful strategy.
38	Partially correct	1 ms	324 KB	Failed to provide a successful strategy.
39	Partially correct	1 ms	212 KB	Failed to provide a successful strategy.
40	Partially correct	0 ms	212 KB	Failed to provide a successful strategy.
41	Partially correct	1 ms	212 KB	Failed to provide a successful strategy.
42	Partially correct	0 ms	212 KB	Failed to provide a successful strategy.
43	Partially correct	0 ms	212 KB	Failed to provide a successful strategy.
44	Partially correct	1 ms	212 KB	Failed to provide a successful strategy.
45	Correct	1 ms	320 KB	Output is correct
46	Correct	1 ms	212 KB	Output is correct
47	Correct	0 ms	212 KB	Output is correct
48	Partially correct	1 ms	324 KB	Failed to provide a successful strategy.
49	Correct	1 ms	212 KB	Output is correct
50	Correct	1 ms	212 KB	Output is correct
51	Partially correct	0 ms	212 KB	Failed to provide a successful strategy.
52	Correct	0 ms	212 KB	Output is correct
53	Correct	1 ms	212 KB	Output is correct
54	Partially correct	1 ms	212 KB	Failed to provide a successful strategy.
55	Correct	1 ms	212 KB	Output is correct
56	Correct	1 ms	212 KB	Output is correct
57	Correct	1 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	0 ms	212 KB	Output is correct
62	Correct	0 ms	320 KB	Output is correct
63	Correct	0 ms	212 KB	Output is correct
64	Correct	1 ms	212 KB	Output is correct

Subtask #2
4.0 / 8.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	320 KB	Output is correct
2	Partially correct	0 ms	212 KB	Failed to provide a successful strategy.
3	Partially correct	1 ms	212 KB	Failed to provide a successful strategy.
4	Partially correct	1 ms	320 KB	Failed to provide a successful strategy.
5	Partially correct	0 ms	212 KB	Failed to provide a successful strategy.
6	Partially correct	1 ms	320 KB	Failed to provide a successful strategy.
7	Partially correct	1 ms	212 KB	Failed to provide a successful strategy.
8	Partially correct	1 ms	212 KB	Failed to provide a successful strategy.
9	Partially correct	1 ms	324 KB	Failed to provide a successful strategy.
10	Partially correct	1 ms	324 KB	Failed to provide a successful strategy.
11	Partially correct	8 ms	360 KB	Failed to provide a successful strategy.
12	Partially correct	3 ms	340 KB	Failed to provide a successful strategy.
13	Partially correct	4 ms	324 KB	Failed to provide a successful strategy.
14	Partially correct	4 ms	340 KB	Failed to provide a successful strategy.
15	Partially correct	5 ms	320 KB	Failed to provide a successful strategy.
16	Partially correct	9 ms	320 KB	Failed to provide a successful strategy.
17	Partially correct	10 ms	340 KB	Failed to provide a successful strategy.
18	Partially correct	9 ms	340 KB	Failed to provide a successful strategy.
19	Partially correct	8 ms	452 KB	Failed to provide a successful strategy.
20	Partially correct	9 ms	340 KB	Failed to provide a successful strategy.

Subtask #3
40.0 / 80.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	212 KB	Output is correct
2	Partially correct	0 ms	212 KB	Failed to provide a successful strategy.
3	Partially correct	1 ms	212 KB	Failed to provide a successful strategy.
4	Partially correct	1 ms	212 KB	Failed to provide a successful strategy.
5	Partially correct	1 ms	212 KB	Failed to provide a successful strategy.
6	Partially correct	1 ms	212 KB	Failed to provide a successful strategy.
7	Correct	1 ms	316 KB	Output is correct
8	Partially correct	1 ms	316 KB	Failed to provide a successful strategy.
9	Correct	1 ms	320 KB	Output is correct
10	Partially correct	1 ms	212 KB	Failed to provide a successful strategy.
11	Partially correct	1 ms	212 KB	Failed to provide a successful strategy.
12	Partially correct	1 ms	212 KB	Failed to provide a successful strategy.
13	Partially correct	1 ms	212 KB	Failed to provide a successful strategy.
14	Partially correct	0 ms	212 KB	Failed to provide a successful strategy.
15	Partially correct	0 ms	212 KB	Failed to provide a successful strategy.
16	Partially correct	1 ms	212 KB	Failed to provide a successful strategy.
17	Partially correct	1 ms	212 KB	Failed to provide a successful strategy.
18	Partially correct	1 ms	212 KB	Failed to provide a successful strategy.
19	Partially correct	0 ms	324 KB	Failed to provide a successful strategy.
20	Partially correct	1 ms	212 KB	Failed to provide a successful strategy.
21	Partially correct	1 ms	212 KB	Failed to provide a successful strategy.
22	Partially correct	1 ms	320 KB	Failed to provide a successful strategy.
23	Partially correct	1 ms	316 KB	Failed to provide a successful strategy.
24	Partially correct	0 ms	212 KB	Failed to provide a successful strategy.
25	Partially correct	0 ms	320 KB	Failed to provide a successful strategy.
26	Partially correct	1 ms	324 KB	Failed to provide a successful strategy.
27	Partially correct	1 ms	212 KB	Failed to provide a successful strategy.
28	Partially correct	1 ms	212 KB	Failed to provide a successful strategy.
29	Correct	0 ms	212 KB	Output is correct
30	Partially correct	0 ms	212 KB	Failed to provide a successful strategy.
31	Partially correct	0 ms	212 KB	Failed to provide a successful strategy.
32	Partially correct	1 ms	212 KB	Failed to provide a successful strategy.
33	Partially correct	1 ms	340 KB	Failed to provide a successful strategy.
34	Correct	0 ms	212 KB	Output is correct
35	Partially correct	1 ms	212 KB	Failed to provide a successful strategy.
36	Partially correct	0 ms	212 KB	Failed to provide a successful strategy.
37	Partially correct	0 ms	212 KB	Failed to provide a successful strategy.
38	Partially correct	1 ms	324 KB	Failed to provide a successful strategy.
39	Partially correct	1 ms	212 KB	Failed to provide a successful strategy.
40	Partially correct	0 ms	212 KB	Failed to provide a successful strategy.
41	Partially correct	1 ms	212 KB	Failed to provide a successful strategy.
42	Partially correct	0 ms	212 KB	Failed to provide a successful strategy.
43	Partially correct	0 ms	212 KB	Failed to provide a successful strategy.
44	Partially correct	1 ms	212 KB	Failed to provide a successful strategy.
45	Correct	1 ms	320 KB	Output is correct
46	Correct	1 ms	212 KB	Output is correct
47	Correct	0 ms	212 KB	Output is correct
48	Partially correct	1 ms	324 KB	Failed to provide a successful strategy.
49	Correct	1 ms	212 KB	Output is correct
50	Correct	1 ms	212 KB	Output is correct
51	Partially correct	0 ms	212 KB	Failed to provide a successful strategy.
52	Correct	0 ms	212 KB	Output is correct
53	Correct	1 ms	212 KB	Output is correct
54	Partially correct	1 ms	212 KB	Failed to provide a successful strategy.
55	Correct	1 ms	212 KB	Output is correct
56	Correct	1 ms	212 KB	Output is correct
57	Correct	1 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	0 ms	212 KB	Output is correct
62	Correct	0 ms	320 KB	Output is correct
63	Correct	0 ms	212 KB	Output is correct
64	Correct	1 ms	212 KB	Output is correct
65	Correct	1 ms	320 KB	Output is correct
66	Partially correct	1 ms	320 KB	Failed to provide a successful strategy.
67	Partially correct	1 ms	320 KB	Failed to provide a successful strategy.
68	Partially correct	1 ms	320 KB	Failed to provide a successful strategy.
69	Partially correct	1 ms	212 KB	Failed to provide a successful strategy.
70	Partially correct	1 ms	212 KB	Failed to provide a successful strategy.
71	Correct	0 ms	212 KB	Output is correct
72	Partially correct	1 ms	212 KB	Failed to provide a successful strategy.
73	Correct	1 ms	212 KB	Output is correct
74	Partially correct	1 ms	212 KB	Failed to provide a successful strategy.
75	Partially correct	1 ms	212 KB	Failed to provide a successful strategy.
76	Partially correct	1 ms	212 KB	Failed to provide a successful strategy.
77	Partially correct	1 ms	212 KB	Failed to provide a successful strategy.
78	Partially correct	0 ms	212 KB	Failed to provide a successful strategy.
79	Correct	5 ms	340 KB	Output is correct
80	Correct	8 ms	340 KB	Output is correct
81	Correct	6 ms	384 KB	Output is correct
82	Correct	7 ms	340 KB	Output is correct
83	Correct	8 ms	340 KB	Output is correct
84	Correct	6 ms	340 KB	Output is correct
85	Correct	6 ms	340 KB	Output is correct
86	Correct	6 ms	340 KB	Output is correct
87	Correct	7 ms	340 KB	Output is correct
88	Correct	5 ms	340 KB	Output is correct
89	Partially correct	8 ms	340 KB	Failed to provide a successful strategy.
90	Partially correct	7 ms	324 KB	Failed to provide a successful strategy.
91	Partially correct	6 ms	324 KB	Failed to provide a successful strategy.
92	Partially correct	5 ms	320 KB	Failed to provide a successful strategy.
93	Partially correct	8 ms	340 KB	Failed to provide a successful strategy.
94	Partially correct	6 ms	340 KB	Failed to provide a successful strategy.
95	Partially correct	9 ms	340 KB	Failed to provide a successful strategy.
96	Partially correct	9 ms	340 KB	Failed to provide a successful strategy.
97	Partially correct	5 ms	340 KB	Failed to provide a successful strategy.
98	Partially correct	9 ms	340 KB	Failed to provide a successful strategy.
99	Partially correct	6 ms	340 KB	Failed to provide a successful strategy.
100	Partially correct	7 ms	340 KB	Failed to provide a successful strategy.
101	Partially correct	8 ms	340 KB	Failed to provide a successful strategy.
102	Partially correct	8 ms	404 KB	Failed to provide a successful strategy.
103	Partially correct	8 ms	328 KB	Failed to provide a successful strategy.
104	Partially correct	5 ms	340 KB	Failed to provide a successful strategy.
105	Partially correct	6 ms	344 KB	Failed to provide a successful strategy.
106	Partially correct	8 ms	324 KB	Failed to provide a successful strategy.
107	Partially correct	6 ms	320 KB	Failed to provide a successful strategy.
108	Partially correct	8 ms	420 KB	Failed to provide a successful strategy.
109	Partially correct	7 ms	340 KB	Failed to provide a successful strategy.
110	Partially correct	7 ms	340 KB	Failed to provide a successful strategy.
111	Partially correct	5 ms	320 KB	Failed to provide a successful strategy.
112	Partially correct	7 ms	340 KB	Failed to provide a successful strategy.
113	Partially correct	9 ms	412 KB	Failed to provide a successful strategy.
114	Partially correct	7 ms	408 KB	Failed to provide a successful strategy.
115	Partially correct	6 ms	340 KB	Failed to provide a successful strategy.
116	Partially correct	7 ms	320 KB	Failed to provide a successful strategy.
117	Partially correct	9 ms	340 KB	Failed to provide a successful strategy.
118	Partially correct	7 ms	412 KB	Failed to provide a successful strategy.
119	Partially correct	6 ms	320 KB	Failed to provide a successful strategy.
120	Partially correct	8 ms	404 KB	Failed to provide a successful strategy.
121	Partially correct	8 ms	340 KB	Failed to provide a successful strategy.
122	Partially correct	6 ms	320 KB	Failed to provide a successful strategy.
123	Partially correct	5 ms	340 KB	Failed to provide a successful strategy.
124	Partially correct	8 ms	340 KB	Failed to provide a successful strategy.
125	Partially correct	5 ms	340 KB	Failed to provide a successful strategy.
126	Partially correct	5 ms	328 KB	Failed to provide a successful strategy.
127	Partially correct	5 ms	396 KB	Failed to provide a successful strategy.
128	Partially correct	8 ms	340 KB	Failed to provide a successful strategy.
129	Correct	10 ms	388 KB	Output is correct
130	Correct	7 ms	340 KB	Output is correct
131	Correct	8 ms	340 KB	Output is correct
132	Correct	8 ms	340 KB	Output is correct
133	Correct	7 ms	340 KB	Output is correct
134	Correct	1 ms	340 KB	Output is correct
135	Correct	1 ms	340 KB	Output is correct
136	Correct	0 ms	340 KB	Output is correct
137	Correct	1 ms	336 KB	Output is correct
138	Correct	1 ms	340 KB	Output is correct
139	Correct	1 ms	340 KB	Output is correct
140	Correct	0 ms	340 KB	Output is correct
141	Correct	0 ms	340 KB	Output is correct
142	Correct	1 ms	340 KB	Output is correct
143	Correct	1 ms	340 KB	Output is correct
144	Partially correct	8 ms	340 KB	Failed to provide a successful strategy.
145	Partially correct	9 ms	448 KB	Failed to provide a successful strategy.

Submission #799727

Compilation message

Subtask #1 6.0 / 12.0

Subtask #2 4.0 / 8.0

Subtask #3 40.0 / 80.0

Subtask #1
6.0 / 12.0

Subtask #2
4.0 / 8.0

Subtask #3
40.0 / 80.0