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Submission #998389

# Submission time Handle Problem Language Result Execution time Memory
998389 2024-06-13T19:31:23 Z andrei_iorgulescu Newspapers (CEOI21_newspapers) C++14
50 / 100
 55 ms 8276 KB 
#include <bits/stdc++.h>

using namespace std;

int n,m;
vector<int> g[1005],f[1005];
int h[1005];
int hmax[1005];

void dfs(int nod,int tata)
{
    hmax[nod] = h[nod];
    for (auto vecin : g[nod])
    {
        if (vecin != tata)
        {
            h[vecin] = 1 + h[nod];
            f[nod].push_back(vecin);
            dfs(vecin,nod);
            hmax[nod] = max(hmax[nod],hmax[vecin]);
        }
    }
}

bool nod_sussy(int x)
{
    for (int i = 1; i <= n; i++)
        f[i].clear();
    h[x] = 0;
    dfs(x,0);
    int cnt = 0;
    for (auto fiu : f[x])
        if (hmax[fiu] >= 3)
            cnt++;
    if (cnt >= 3)
        return true;
    return false;
}

int main()
{
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);
    cout.tie(NULL);
    cin >> n >> m;
    for (int i = 1; i <= m; i++)
    {
        int x,y;
        cin >> x >> y;
        g[x].push_back(y);
        g[y].push_back(x);
    }
    if (m != n - 1)
    {
        cout << "NO";
        return 0;
    }
    for (int i = 1; i <= n; i++)
    {
        if (nod_sussy(i))
        {
            cout << "NO";
            return 0;
        }
    }
    cout << "YES\n1\n1";
    return 0;
}

Subtask #1
6.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Partially correct 0 ms 348 KB Failed to provide a successful strategy.
3 Partially correct 0 ms 348 KB Failed to provide a successful strategy.
4 Partially correct 0 ms 348 KB Failed to provide a successful strategy.
5 Partially correct 0 ms 348 KB Failed to provide a successful strategy.
6 Partially correct 0 ms 348 KB Failed to provide a successful strategy.
7 Correct 0 ms 348 KB Output is correct
8 Partially correct 0 ms 348 KB Failed to provide a successful strategy.
9 Correct 0 ms 348 KB Output is correct
10 Partially correct 0 ms 348 KB Failed to provide a successful strategy.
11 Partially correct 0 ms 348 KB Failed to provide a successful strategy.
12 Partially correct 0 ms 348 KB Failed to provide a successful strategy.
13 Partially correct 0 ms 348 KB Failed to provide a successful strategy.
14 Partially correct 1 ms 348 KB Failed to provide a successful strategy.
15 Partially correct 0 ms 348 KB Failed to provide a successful strategy.
16 Partially correct 0 ms 348 KB Failed to provide a successful strategy.
17 Partially correct 0 ms 348 KB Failed to provide a successful strategy.
18 Partially correct 0 ms 348 KB Failed to provide a successful strategy.
19 Partially correct 0 ms 348 KB Failed to provide a successful strategy.
20 Partially correct 0 ms 344 KB Failed to provide a successful strategy.
21 Partially correct 0 ms 348 KB Failed to provide a successful strategy.
22 Partially correct 0 ms 348 KB Failed to provide a successful strategy.
23 Partially correct 0 ms 348 KB Failed to provide a successful strategy.
24 Partially correct 1 ms 348 KB Failed to provide a successful strategy.
25 Partially correct 0 ms 348 KB Failed to provide a successful strategy.
26 Partially correct 0 ms 348 KB Failed to provide a successful strategy.
27 Partially correct 0 ms 348 KB Failed to provide a successful strategy.
28 Partially correct 0 ms 348 KB Failed to provide a successful strategy.
29 Correct 0 ms 348 KB Output is correct
30 Partially correct 0 ms 344 KB Failed to provide a successful strategy.
31 Partially correct 0 ms 348 KB Failed to provide a successful strategy.
32 Partially correct 0 ms 348 KB Failed to provide a successful strategy.
33 Partially correct 0 ms 348 KB Failed to provide a successful strategy.
34 Correct 0 ms 348 KB Output is correct
35 Partially correct 0 ms 348 KB Failed to provide a successful strategy.
36 Partially correct 0 ms 348 KB Failed to provide a successful strategy.
37 Partially correct 0 ms 348 KB Failed to provide a successful strategy.
38 Partially correct 0 ms 348 KB Failed to provide a successful strategy.
39 Partially correct 0 ms 348 KB Failed to provide a successful strategy.
40 Partially correct 0 ms 348 KB Failed to provide a successful strategy.
41 Partially correct 1 ms 348 KB Failed to provide a successful strategy.
42 Partially correct 1 ms 348 KB Failed to provide a successful strategy.
43 Partially correct 0 ms 348 KB Failed to provide a successful strategy.
44 Partially correct 0 ms 348 KB Failed to provide a successful strategy.
45 Correct 1 ms 344 KB Output is correct
46 Correct 1 ms 348 KB Output is correct
47 Correct 0 ms 348 KB Output is correct
48 Partially correct 1 ms 496 KB Failed to provide a successful strategy.
49 Correct 0 ms 348 KB Output is correct
50 Correct 1 ms 348 KB Output is correct
51 Partially correct 0 ms 348 KB Failed to provide a successful strategy.
52 Correct 1 ms 348 KB Output is correct
53 Correct 0 ms 348 KB Output is correct
54 Partially correct 0 ms 348 KB Failed to provide a successful strategy.
55 Correct 1 ms 412 KB Output is correct
56 Correct 0 ms 348 KB Output is correct
57 Correct 0 ms 348 KB Output is correct
58 Correct 0 ms 348 KB Output is correct
59 Correct 1 ms 348 KB Output is correct
60 Correct 0 ms 344 KB Output is correct
61 Correct 1 ms 344 KB Output is correct
62 Correct 0 ms 344 KB Output is correct
63 Correct 0 ms 348 KB Output is correct
64 Correct 0 ms 348 KB Output is correct

Subtask #2
4.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Partially correct 0 ms 348 KB Failed to provide a successful strategy.
3 Partially correct 0 ms 348 KB Failed to provide a successful strategy.
4 Partially correct 0 ms 348 KB Failed to provide a successful strategy.
5 Partially correct 0 ms 348 KB Failed to provide a successful strategy.
6 Partially correct 0 ms 348 KB Failed to provide a successful strategy.
7 Partially correct 0 ms 348 KB Failed to provide a successful strategy.
8 Partially correct 0 ms 348 KB Failed to provide a successful strategy.
9 Partially correct 0 ms 348 KB Failed to provide a successful strategy.
10 Partially correct 0 ms 348 KB Failed to provide a successful strategy.
11 Partially correct 8 ms 604 KB Failed to provide a successful strategy.
12 Partially correct 3 ms 344 KB Failed to provide a successful strategy.
13 Partially correct 4 ms 604 KB Failed to provide a successful strategy.
14 Partially correct 5 ms 616 KB Failed to provide a successful strategy.
15 Partially correct 6 ms 604 KB Failed to provide a successful strategy.
16 Partially correct 9 ms 664 KB Failed to provide a successful strategy.
17 Partially correct 10 ms 600 KB Failed to provide a successful strategy.
18 Partially correct 10 ms 600 KB Failed to provide a successful strategy.
19 Partially correct 10 ms 600 KB Failed to provide a successful strategy.
20 Partially correct 10 ms 672 KB Failed to provide a successful strategy.

Subtask #3
40.0 / 80.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Partially correct 0 ms 348 KB Failed to provide a successful strategy.
3 Partially correct 0 ms 348 KB Failed to provide a successful strategy.
4 Partially correct 0 ms 348 KB Failed to provide a successful strategy.
5 Partially correct 0 ms 348 KB Failed to provide a successful strategy.
6 Partially correct 0 ms 348 KB Failed to provide a successful strategy.
7 Correct 0 ms 348 KB Output is correct
8 Partially correct 0 ms 348 KB Failed to provide a successful strategy.
9 Correct 0 ms 348 KB Output is correct
10 Partially correct 0 ms 348 KB Failed to provide a successful strategy.
11 Partially correct 0 ms 348 KB Failed to provide a successful strategy.
12 Partially correct 0 ms 348 KB Failed to provide a successful strategy.
13 Partially correct 0 ms 348 KB Failed to provide a successful strategy.
14 Partially correct 1 ms 348 KB Failed to provide a successful strategy.
15 Partially correct 0 ms 348 KB Failed to provide a successful strategy.
16 Partially correct 0 ms 348 KB Failed to provide a successful strategy.
17 Partially correct 0 ms 348 KB Failed to provide a successful strategy.
18 Partially correct 0 ms 348 KB Failed to provide a successful strategy.
19 Partially correct 0 ms 348 KB Failed to provide a successful strategy.
20 Partially correct 0 ms 344 KB Failed to provide a successful strategy.
21 Partially correct 0 ms 348 KB Failed to provide a successful strategy.
22 Partially correct 0 ms 348 KB Failed to provide a successful strategy.
23 Partially correct 0 ms 348 KB Failed to provide a successful strategy.
24 Partially correct 1 ms 348 KB Failed to provide a successful strategy.
25 Partially correct 0 ms 348 KB Failed to provide a successful strategy.
26 Partially correct 0 ms 348 KB Failed to provide a successful strategy.
27 Partially correct 0 ms 348 KB Failed to provide a successful strategy.
28 Partially correct 0 ms 348 KB Failed to provide a successful strategy.
29 Correct 0 ms 348 KB Output is correct
30 Partially correct 0 ms 344 KB Failed to provide a successful strategy.
31 Partially correct 0 ms 348 KB Failed to provide a successful strategy.
32 Partially correct 0 ms 348 KB Failed to provide a successful strategy.
33 Partially correct 0 ms 348 KB Failed to provide a successful strategy.
34 Correct 0 ms 348 KB Output is correct
35 Partially correct 0 ms 348 KB Failed to provide a successful strategy.
36 Partially correct 0 ms 348 KB Failed to provide a successful strategy.
37 Partially correct 0 ms 348 KB Failed to provide a successful strategy.
38 Partially correct 0 ms 348 KB Failed to provide a successful strategy.
39 Partially correct 0 ms 348 KB Failed to provide a successful strategy.
40 Partially correct 0 ms 348 KB Failed to provide a successful strategy.
41 Partially correct 1 ms 348 KB Failed to provide a successful strategy.
42 Partially correct 1 ms 348 KB Failed to provide a successful strategy.
43 Partially correct 0 ms 348 KB Failed to provide a successful strategy.
44 Partially correct 0 ms 348 KB Failed to provide a successful strategy.
45 Correct 1 ms 344 KB Output is correct
46 Correct 1 ms 348 KB Output is correct
47 Correct 0 ms 348 KB Output is correct
48 Partially correct 1 ms 496 KB Failed to provide a successful strategy.
49 Correct 0 ms 348 KB Output is correct
50 Correct 1 ms 348 KB Output is correct
51 Partially correct 0 ms 348 KB Failed to provide a successful strategy.
52 Correct 1 ms 348 KB Output is correct
53 Correct 0 ms 348 KB Output is correct
54 Partially correct 0 ms 348 KB Failed to provide a successful strategy.
55 Correct 1 ms 412 KB Output is correct
56 Correct 0 ms 348 KB Output is correct
57 Correct 0 ms 348 KB Output is correct
58 Correct 0 ms 348 KB Output is correct
59 Correct 1 ms 348 KB Output is correct
60 Correct 0 ms 344 KB Output is correct
61 Correct 1 ms 344 KB Output is correct
62 Correct 0 ms 344 KB Output is correct
63 Correct 0 ms 348 KB Output is correct
64 Correct 0 ms 348 KB Output is correct
65 Correct 0 ms 348 KB Output is correct
66 Partially correct 0 ms 348 KB Failed to provide a successful strategy.
67 Partially correct 0 ms 348 KB Failed to provide a successful strategy.
68 Partially correct 0 ms 348 KB Failed to provide a successful strategy.
69 Partially correct 1 ms 348 KB Failed to provide a successful strategy.
70 Partially correct 0 ms 348 KB Failed to provide a successful strategy.
71 Correct 0 ms 348 KB Output is correct
72 Partially correct 0 ms 348 KB Failed to provide a successful strategy.
73 Correct 0 ms 348 KB Output is correct
74 Partially correct 0 ms 348 KB Failed to provide a successful strategy.
75 Partially correct 0 ms 348 KB Failed to provide a successful strategy.
76 Partially correct 0 ms 348 KB Failed to provide a successful strategy.
77 Partially correct 0 ms 348 KB Failed to provide a successful strategy.
78 Partially correct 0 ms 348 KB Failed to provide a successful strategy.
79 Correct 1 ms 348 KB Output is correct
80 Correct 0 ms 348 KB Output is correct
81 Correct 0 ms 348 KB Output is correct
82 Correct 0 ms 348 KB Output is correct
83 Correct 1 ms 348 KB Output is correct
84 Correct 1 ms 348 KB Output is correct
85 Correct 0 ms 348 KB Output is correct
86 Correct 1 ms 348 KB Output is correct
87 Correct 0 ms 348 KB Output is correct
88 Correct 1 ms 348 KB Output is correct
89 Partially correct 11 ms 604 KB Failed to provide a successful strategy.
90 Partially correct 9 ms 604 KB Failed to provide a successful strategy.
91 Partially correct 8 ms 600 KB Failed to provide a successful strategy.
92 Partially correct 7 ms 348 KB Failed to provide a successful strategy.
93 Partially correct 10 ms 604 KB Failed to provide a successful strategy.
94 Partially correct 7 ms 348 KB Failed to provide a successful strategy.
95 Partially correct 11 ms 620 KB Failed to provide a successful strategy.
96 Partially correct 11 ms 604 KB Failed to provide a successful strategy.
97 Partially correct 7 ms 344 KB Failed to provide a successful strategy.
98 Partially correct 13 ms 604 KB Failed to provide a successful strategy.
99 Partially correct 8 ms 604 KB Failed to provide a successful strategy.
100 Partially correct 9 ms 604 KB Failed to provide a successful strategy.
101 Partially correct 8 ms 608 KB Failed to provide a successful strategy.
102 Partially correct 8 ms 604 KB Failed to provide a successful strategy.
103 Partially correct 9 ms 600 KB Failed to provide a successful strategy.
104 Partially correct 6 ms 584 KB Failed to provide a successful strategy.
105 Partially correct 7 ms 604 KB Failed to provide a successful strategy.
106 Partially correct 9 ms 604 KB Failed to provide a successful strategy.
107 Partially correct 7 ms 596 KB Failed to provide a successful strategy.
108 Partially correct 11 ms 612 KB Failed to provide a successful strategy.
109 Partially correct 8 ms 604 KB Failed to provide a successful strategy.
110 Partially correct 8 ms 604 KB Failed to provide a successful strategy.
111 Partially correct 7 ms 592 KB Failed to provide a successful strategy.
112 Partially correct 7 ms 604 KB Failed to provide a successful strategy.
113 Partially correct 11 ms 604 KB Failed to provide a successful strategy.
114 Partially correct 10 ms 616 KB Failed to provide a successful strategy.
115 Partially correct 7 ms 604 KB Failed to provide a successful strategy.
116 Partially correct 9 ms 516 KB Failed to provide a successful strategy.
117 Partially correct 11 ms 604 KB Failed to provide a successful strategy.
118 Partially correct 9 ms 616 KB Failed to provide a successful strategy.
119 Partially correct 8 ms 600 KB Failed to provide a successful strategy.
120 Partially correct 10 ms 612 KB Failed to provide a successful strategy.
121 Partially correct 9 ms 604 KB Failed to provide a successful strategy.
122 Partially correct 7 ms 604 KB Failed to provide a successful strategy.
123 Partially correct 8 ms 600 KB Failed to provide a successful strategy.
124 Partially correct 11 ms 604 KB Failed to provide a successful strategy.
125 Partially correct 7 ms 604 KB Failed to provide a successful strategy.
126 Partially correct 7 ms 604 KB Failed to provide a successful strategy.
127 Partially correct 7 ms 600 KB Failed to provide a successful strategy.
128 Partially correct 10 ms 608 KB Failed to provide a successful strategy.
129 Correct 1 ms 348 KB Output is correct
130 Correct 1 ms 348 KB Output is correct
131 Correct 0 ms 348 KB Output is correct
132 Correct 1 ms 348 KB Output is correct
133 Correct 1 ms 348 KB Output is correct
134 Correct 10 ms 2136 KB Output is correct
135 Correct 11 ms 2140 KB Output is correct
136 Correct 22 ms 5464 KB Output is correct
137 Correct 13 ms 3420 KB Output is correct
138 Correct 24 ms 4692 KB Output is correct
139 Correct 41 ms 8016 KB Output is correct
140 Correct 9 ms 1628 KB Output is correct
141 Correct 2 ms 856 KB Output is correct
142 Correct 37 ms 7508 KB Output is correct
143 Correct 55 ms 8276 KB Output is correct
144 Partially correct 10 ms 600 KB Failed to provide a successful strategy.
145 Partially correct 10 ms 604 KB Failed to provide a successful strategy.