oj.uz

Submission #769185

# Submission time Handle Problem Language Result Execution time Memory
769185 2023-06-29T09:33:04 Z RushB Newspapers (CEOI21_newspapers) C++17
54 / 100
 31 ms 584 KB 
#include "bits/stdc++.h"
#define int long long
#define FOR(i, a, b) for (int i = (a); i < (b); i++)
using namespace std;
const long long INF = 1ll << 60;
const int N = 1000 + 5;
vector<int> adj[N], V[N];
 
void dfs(int v, int p) {
	V[v] = {0};
	for (auto u: adj[v]) if (u != p) {
		dfs(u, v);
		V[v].push_back(V[u][0] + 1);
	}
	sort(V[v].rbegin(), V[v].rend());
}
 
signed main() {
	ios::sync_with_stdio(0), cin.tie(0);
	int n, m;
	cin >> n >> m;
	if (m >= n) {
		cout << "NO\n";
		return 0;
	}
	if (n <= 2) {
		cout << "YES\n";
		cout << n << '\n';
		FOR(i, 0, n) cout << 1 << ' ';
		return 0;
	}
	FOR(i, 1, n) {
		int u, v; cin >> u >> v;	
		u--, v--;
		adj[u].push_back(v);
		adj[v].push_back(u);
	}
	FOR(i, 0, n) {
		FOR(j, 0, n) V[j].clear();
		dfs(i, i);
		if (V[i].size() >= 3 && V[i][2] >= 3) {
			cout << "NO\n";
			return 0;
		}
	}
	cout << "YES\n";
	cout << 2 * n - 4 << '\n';
	FOR(i, 1, n - 1) cout << i + 1 << ' ';
	FOR(i, 1, n - 1) cout << n - i << ' ';
	cout << '\n';
	return 0;
}
//Reading this fills you with ....

Subtask #1
6.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 0 ms 340 KB Output is correct
5 Partially correct 1 ms 340 KB Failed to provide a successful strategy.
6 Partially correct 1 ms 368 KB Failed to provide a successful strategy.
7 Correct 1 ms 340 KB Output is correct
8 Partially correct 0 ms 340 KB Failed to provide a successful strategy.
9 Correct 1 ms 340 KB Output is correct
10 Partially correct 1 ms 340 KB Failed to provide a successful strategy.
11 Partially correct 1 ms 340 KB Failed to provide a successful strategy.
12 Partially correct 1 ms 468 KB Failed to provide a successful strategy.
13 Partially correct 1 ms 340 KB Failed to provide a successful strategy.
14 Partially correct 1 ms 340 KB Failed to provide a successful strategy.
15 Partially correct 1 ms 340 KB Failed to provide a successful strategy.
16 Partially correct 1 ms 340 KB Failed to provide a successful strategy.
17 Partially correct 1 ms 364 KB Failed to provide a successful strategy.
18 Partially correct 1 ms 340 KB Failed to provide a successful strategy.
19 Partially correct 0 ms 340 KB Failed to provide a successful strategy.
20 Partially correct 1 ms 340 KB Failed to provide a successful strategy.
21 Partially correct 1 ms 340 KB Provide a successful but not optimal strategy.
22 Partially correct 1 ms 340 KB Failed to provide a successful strategy.
23 Partially correct 1 ms 340 KB Failed to provide a successful strategy.
24 Partially correct 1 ms 340 KB Failed to provide a successful strategy.
25 Partially correct 1 ms 340 KB Failed to provide a successful strategy.
26 Partially correct 1 ms 340 KB Failed to provide a successful strategy.
27 Partially correct 1 ms 340 KB Failed to provide a successful strategy.
28 Partially correct 1 ms 340 KB Failed to provide a successful strategy.
29 Correct 1 ms 368 KB Output is correct
30 Partially correct 1 ms 340 KB Failed to provide a successful strategy.
31 Partially correct 1 ms 368 KB Failed to provide a successful strategy.
32 Partially correct 1 ms 340 KB Failed to provide a successful strategy.
33 Partially correct 0 ms 340 KB Failed to provide a successful strategy.
34 Correct 1 ms 368 KB Output is correct
35 Partially correct 1 ms 340 KB Failed to provide a successful strategy.
36 Partially correct 1 ms 340 KB Failed to provide a successful strategy.
37 Partially correct 1 ms 340 KB Failed to provide a successful strategy.
38 Partially correct 0 ms 340 KB Failed to provide a successful strategy.
39 Partially correct 1 ms 340 KB Failed to provide a successful strategy.
40 Partially correct 1 ms 340 KB Failed to provide a successful strategy.
41 Partially correct 1 ms 368 KB Failed to provide a successful strategy.
42 Partially correct 1 ms 340 KB Failed to provide a successful strategy.
43 Partially correct 1 ms 364 KB Failed to provide a successful strategy.
44 Partially correct 1 ms 340 KB Failed to provide a successful strategy.
45 Correct 1 ms 340 KB Output is correct
46 Correct 1 ms 368 KB Output is correct
47 Correct 0 ms 340 KB Output is correct
48 Partially correct 1 ms 340 KB Failed to provide a successful strategy.
49 Correct 1 ms 372 KB Output is correct
50 Correct 1 ms 340 KB Output is correct
51 Partially correct 1 ms 364 KB Failed to provide a successful strategy.
52 Correct 1 ms 340 KB Output is correct
53 Correct 1 ms 340 KB Output is correct
54 Partially correct 1 ms 344 KB Failed to provide a successful strategy.
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 372 KB Output is correct
60 Correct 1 ms 340 KB Output is correct
61 Correct 1 ms 364 KB Output is correct
62 Correct 1 ms 340 KB Output is correct
63 Correct 1 ms 340 KB Output is correct
64 Correct 0 ms 340 KB Output is correct

Subtask #2
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 0 ms 340 KB Output is correct
6 Correct 1 ms 368 KB Output is correct
7 Correct 1 ms 368 KB Output is correct
8 Correct 0 ms 340 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 0 ms 340 KB Output is correct
11 Correct 18 ms 572 KB Output is correct
12 Correct 6 ms 468 KB Output is correct
13 Correct 8 ms 468 KB Output is correct
14 Correct 9 ms 516 KB Output is correct
15 Correct 9 ms 512 KB Output is correct
16 Correct 20 ms 584 KB Output is correct
17 Correct 25 ms 564 KB Output is correct
18 Correct 20 ms 468 KB Output is correct
19 Correct 20 ms 468 KB Output is correct
20 Correct 20 ms 556 KB Output is correct

Subtask #3
40.0 / 80.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 0 ms 340 KB Output is correct
5 Partially correct 1 ms 340 KB Failed to provide a successful strategy.
6 Partially correct 1 ms 368 KB Failed to provide a successful strategy.
7 Correct 1 ms 340 KB Output is correct
8 Partially correct 0 ms 340 KB Failed to provide a successful strategy.
9 Correct 1 ms 340 KB Output is correct
10 Partially correct 1 ms 340 KB Failed to provide a successful strategy.
11 Partially correct 1 ms 340 KB Failed to provide a successful strategy.
12 Partially correct 1 ms 468 KB Failed to provide a successful strategy.
13 Partially correct 1 ms 340 KB Failed to provide a successful strategy.
14 Partially correct 1 ms 340 KB Failed to provide a successful strategy.
15 Partially correct 1 ms 340 KB Failed to provide a successful strategy.
16 Partially correct 1 ms 340 KB Failed to provide a successful strategy.
17 Partially correct 1 ms 364 KB Failed to provide a successful strategy.
18 Partially correct 1 ms 340 KB Failed to provide a successful strategy.
19 Partially correct 0 ms 340 KB Failed to provide a successful strategy.
20 Partially correct 1 ms 340 KB Failed to provide a successful strategy.
21 Partially correct 1 ms 340 KB Provide a successful but not optimal strategy.
22 Partially correct 1 ms 340 KB Failed to provide a successful strategy.
23 Partially correct 1 ms 340 KB Failed to provide a successful strategy.
24 Partially correct 1 ms 340 KB Failed to provide a successful strategy.
25 Partially correct 1 ms 340 KB Failed to provide a successful strategy.
26 Partially correct 1 ms 340 KB Failed to provide a successful strategy.
27 Partially correct 1 ms 340 KB Failed to provide a successful strategy.
28 Partially correct 1 ms 340 KB Failed to provide a successful strategy.
29 Correct 1 ms 368 KB Output is correct
30 Partially correct 1 ms 340 KB Failed to provide a successful strategy.
31 Partially correct 1 ms 368 KB Failed to provide a successful strategy.
32 Partially correct 1 ms 340 KB Failed to provide a successful strategy.
33 Partially correct 0 ms 340 KB Failed to provide a successful strategy.
34 Correct 1 ms 368 KB Output is correct
35 Partially correct 1 ms 340 KB Failed to provide a successful strategy.
36 Partially correct 1 ms 340 KB Failed to provide a successful strategy.
37 Partially correct 1 ms 340 KB Failed to provide a successful strategy.
38 Partially correct 0 ms 340 KB Failed to provide a successful strategy.
39 Partially correct 1 ms 340 KB Failed to provide a successful strategy.
40 Partially correct 1 ms 340 KB Failed to provide a successful strategy.
41 Partially correct 1 ms 368 KB Failed to provide a successful strategy.
42 Partially correct 1 ms 340 KB Failed to provide a successful strategy.
43 Partially correct 1 ms 364 KB Failed to provide a successful strategy.
44 Partially correct 1 ms 340 KB Failed to provide a successful strategy.
45 Correct 1 ms 340 KB Output is correct
46 Correct 1 ms 368 KB Output is correct
47 Correct 0 ms 340 KB Output is correct
48 Partially correct 1 ms 340 KB Failed to provide a successful strategy.
49 Correct 1 ms 372 KB Output is correct
50 Correct 1 ms 340 KB Output is correct
51 Partially correct 1 ms 364 KB Failed to provide a successful strategy.
52 Correct 1 ms 340 KB Output is correct
53 Correct 1 ms 340 KB Output is correct
54 Partially correct 1 ms 344 KB Failed to provide a successful strategy.
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 372 KB Output is correct
60 Correct 1 ms 340 KB Output is correct
61 Correct 1 ms 364 KB Output is correct
62 Correct 1 ms 340 KB Output is correct
63 Correct 1 ms 340 KB Output is correct
64 Correct 0 ms 340 KB Output is correct
65 Correct 1 ms 364 KB Output is correct
66 Correct 1 ms 340 KB Output is correct
67 Correct 1 ms 340 KB Output is correct
68 Correct 1 ms 340 KB Output is correct
69 Partially correct 1 ms 340 KB Failed to provide a successful strategy.
70 Partially correct 1 ms 340 KB Failed to provide a successful strategy.
71 Correct 1 ms 340 KB Output is correct
72 Partially correct 1 ms 340 KB Failed to provide a successful strategy.
73 Correct 1 ms 340 KB Output is correct
74 Partially correct 1 ms 372 KB Failed to provide a successful strategy.
75 Partially correct 1 ms 340 KB Failed to provide a successful strategy.
76 Partially correct 1 ms 340 KB Failed to provide a successful strategy.
77 Partially correct 1 ms 340 KB Failed to provide a successful strategy.
78 Partially correct 0 ms 340 KB Failed to provide a successful strategy.
79 Correct 1 ms 340 KB Output is correct
80 Correct 1 ms 372 KB Output is correct
81 Correct 1 ms 340 KB Output is correct
82 Correct 1 ms 340 KB Output is correct
83 Correct 1 ms 372 KB Output is correct
84 Correct 1 ms 340 KB Output is correct
85 Correct 1 ms 340 KB Output is correct
86 Correct 1 ms 340 KB Output is correct
87 Correct 1 ms 340 KB Output is correct
88 Correct 1 ms 340 KB Output is correct
89 Partially correct 25 ms 492 KB Failed to provide a successful strategy.
90 Partially correct 19 ms 488 KB Failed to provide a successful strategy.
91 Partially correct 18 ms 492 KB Failed to provide a successful strategy.
92 Partially correct 15 ms 468 KB Failed to provide a successful strategy.
93 Partially correct 24 ms 468 KB Failed to provide a successful strategy.
94 Partially correct 17 ms 472 KB Failed to provide a successful strategy.
95 Partially correct 27 ms 512 KB Failed to provide a successful strategy.
96 Partially correct 26 ms 468 KB Failed to provide a successful strategy.
97 Partially correct 15 ms 476 KB Failed to provide a successful strategy.
98 Partially correct 24 ms 504 KB Failed to provide a successful strategy.
99 Partially correct 19 ms 468 KB Failed to provide a successful strategy.
100 Partially correct 20 ms 496 KB Failed to provide a successful strategy.
101 Partially correct 18 ms 468 KB Failed to provide a successful strategy.
102 Partially correct 18 ms 484 KB Failed to provide a successful strategy.
103 Partially correct 21 ms 500 KB Failed to provide a successful strategy.
104 Partially correct 15 ms 480 KB Failed to provide a successful strategy.
105 Partially correct 16 ms 488 KB Failed to provide a successful strategy.
106 Partially correct 21 ms 492 KB Failed to provide a successful strategy.
107 Partially correct 16 ms 500 KB Failed to provide a successful strategy.
108 Partially correct 26 ms 468 KB Failed to provide a successful strategy.
109 Partially correct 20 ms 496 KB Failed to provide a successful strategy.
110 Partially correct 20 ms 496 KB Failed to provide a successful strategy.
111 Partially correct 16 ms 496 KB Failed to provide a successful strategy.
112 Partially correct 17 ms 484 KB Failed to provide a successful strategy.
113 Partially correct 26 ms 508 KB Failed to provide a successful strategy.
114 Partially correct 25 ms 500 KB Failed to provide a successful strategy.
115 Partially correct 18 ms 488 KB Failed to provide a successful strategy.
116 Partially correct 20 ms 488 KB Failed to provide a successful strategy.
117 Partially correct 31 ms 508 KB Failed to provide a successful strategy.
118 Partially correct 22 ms 468 KB Failed to provide a successful strategy.
119 Partially correct 19 ms 476 KB Failed to provide a successful strategy.
120 Partially correct 24 ms 504 KB Failed to provide a successful strategy.
121 Partially correct 23 ms 492 KB Failed to provide a successful strategy.
122 Partially correct 18 ms 468 KB Failed to provide a successful strategy.
123 Partially correct 18 ms 468 KB Failed to provide a successful strategy.
124 Partially correct 25 ms 468 KB Failed to provide a successful strategy.
125 Partially correct 15 ms 472 KB Failed to provide a successful strategy.
126 Partially correct 17 ms 468 KB Failed to provide a successful strategy.
127 Partially correct 15 ms 476 KB Failed to provide a successful strategy.
128 Partially correct 31 ms 500 KB Failed to provide a successful strategy.
129 Correct 1 ms 340 KB Output is correct
130 Correct 1 ms 340 KB Output is correct
131 Correct 1 ms 340 KB Output is correct
132 Correct 1 ms 340 KB Output is correct
133 Correct 1 ms 340 KB Output is correct
134 Correct 1 ms 340 KB Output is correct
135 Correct 0 ms 340 KB Output is correct
136 Correct 1 ms 340 KB Output is correct
137 Correct 1 ms 340 KB Output is correct
138 Correct 1 ms 340 KB Output is correct
139 Correct 1 ms 340 KB Output is correct
140 Correct 1 ms 340 KB Output is correct
141 Correct 0 ms 340 KB Output is correct
142 Correct 0 ms 340 KB Output is correct
143 Correct 0 ms 340 KB Output is correct
144 Correct 20 ms 468 KB Output is correct
145 Correct 20 ms 564 KB Output is correct