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Submission #863794

# Submission time Handle Problem Language Result Execution time Memory
863794 2023-10-21T04:19:23 Z Trisanu_Das Newspapers (CEOI21_newspapers) C++17
50 / 100
 145 ms 4692 KB 
#include<bits/stdc++.h>
using namespace std;
 
const int maxn=1010;
bool moze=true;
 
vector<int> g[maxn];
 
int dfs(int node,int parent=-1){
    int ret=0;
    int klk=0;
    for(int i:g[node]){
        if(i==parent) continue;
        auto temp=dfs(i,node);
        ret=max(ret,temp);
        if(temp>2) klk++;
    }
    if(klk>2) moze=false;
    ret++;
    return ret;
}
 
int main(){
    int n,m;
    cin>>n>>m;
    for(int i=1;i<=m;i++){
        int u,v;
        cin>>u>>v;
        g[u].push_back(v);
        g[v].push_back(u);
    }
    if(m!=n-1){
        cout<<"NO\n";
        return 0;
    }
    for(int i=1;i<=n;i++) dfs(i);
    if(moze) cout<<"YES\n1\n1";
    else cout<<"NO\n";
    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 1 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 1 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 1 ms 348 KB Failed to provide a successful strategy.
13 Partially correct 1 ms 348 KB Failed to provide a successful strategy.
14 Partially correct 0 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 1 ms 348 KB Failed to provide a successful strategy.
19 Partially correct 1 ms 456 KB Failed to provide a successful strategy.
20 Partially correct 0 ms 348 KB Failed to provide a successful strategy.
21 Partially correct 1 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 0 ms 348 KB Failed to provide a successful strategy.
25 Partially correct 0 ms 460 KB Failed to provide a successful strategy.
26 Partially correct 1 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 344 KB Output is correct
30 Partially correct 0 ms 348 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 344 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 344 KB Failed to provide a successful strategy.
44 Partially correct 0 ms 348 KB Failed to provide a successful strategy.
45 Correct 0 ms 348 KB Output is correct
46 Correct 1 ms 348 KB Output is correct
47 Correct 1 ms 348 KB Output is correct
48 Partially correct 0 ms 556 KB Failed to provide a successful strategy.
49 Correct 1 ms 348 KB Output is correct
50 Correct 0 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 0 ms 460 KB Output is correct
56 Correct 0 ms 344 KB Output is correct
57 Correct 1 ms 348 KB Output is correct
58 Correct 1 ms 348 KB Output is correct
59 Correct 0 ms 344 KB Output is correct
60 Correct 0 ms 348 KB Output is correct
61 Correct 0 ms 348 KB Output is correct
62 Correct 0 ms 348 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 600 KB Output is correct
2 Partially correct 0 ms 344 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 1 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 6 ms 468 KB Failed to provide a successful strategy.
12 Partially correct 2 ms 348 KB Failed to provide a successful strategy.
13 Partially correct 3 ms 348 KB Failed to provide a successful strategy.
14 Partially correct 3 ms 348 KB Failed to provide a successful strategy.
15 Partially correct 4 ms 344 KB Failed to provide a successful strategy.
16 Partially correct 7 ms 348 KB Failed to provide a successful strategy.
17 Partially correct 7 ms 348 KB Failed to provide a successful strategy.
18 Partially correct 7 ms 348 KB Failed to provide a successful strategy.
19 Partially correct 8 ms 560 KB Failed to provide a successful strategy.
20 Partially correct 8 ms 348 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 1 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 1 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 1 ms 348 KB Failed to provide a successful strategy.
13 Partially correct 1 ms 348 KB Failed to provide a successful strategy.
14 Partially correct 0 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 1 ms 348 KB Failed to provide a successful strategy.
19 Partially correct 1 ms 456 KB Failed to provide a successful strategy.
20 Partially correct 0 ms 348 KB Failed to provide a successful strategy.
21 Partially correct 1 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 0 ms 348 KB Failed to provide a successful strategy.
25 Partially correct 0 ms 460 KB Failed to provide a successful strategy.
26 Partially correct 1 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 344 KB Output is correct
30 Partially correct 0 ms 348 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 344 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 344 KB Failed to provide a successful strategy.
44 Partially correct 0 ms 348 KB Failed to provide a successful strategy.
45 Correct 0 ms 348 KB Output is correct
46 Correct 1 ms 348 KB Output is correct
47 Correct 1 ms 348 KB Output is correct
48 Partially correct 0 ms 556 KB Failed to provide a successful strategy.
49 Correct 1 ms 348 KB Output is correct
50 Correct 0 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 0 ms 460 KB Output is correct
56 Correct 0 ms 344 KB Output is correct
57 Correct 1 ms 348 KB Output is correct
58 Correct 1 ms 348 KB Output is correct
59 Correct 0 ms 344 KB Output is correct
60 Correct 0 ms 348 KB Output is correct
61 Correct 0 ms 348 KB Output is correct
62 Correct 0 ms 348 KB Output is correct
63 Correct 0 ms 348 KB Output is correct
64 Correct 0 ms 348 KB Output is correct
65 Correct 1 ms 348 KB Output is correct
66 Partially correct 0 ms 344 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 0 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 344 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 1 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 4 ms 348 KB Output is correct
80 Correct 5 ms 604 KB Output is correct
81 Correct 5 ms 348 KB Output is correct
82 Correct 6 ms 352 KB Output is correct
83 Correct 5 ms 460 KB Output is correct
84 Correct 5 ms 348 KB Output is correct
85 Correct 5 ms 496 KB Output is correct
86 Correct 5 ms 348 KB Output is correct
87 Correct 5 ms 468 KB Output is correct
88 Correct 4 ms 348 KB Output is correct
89 Partially correct 8 ms 536 KB Failed to provide a successful strategy.
90 Partially correct 6 ms 348 KB Failed to provide a successful strategy.
91 Partially correct 5 ms 520 KB Failed to provide a successful strategy.
92 Partially correct 5 ms 348 KB Failed to provide a successful strategy.
93 Partially correct 7 ms 348 KB Failed to provide a successful strategy.
94 Partially correct 5 ms 348 KB Failed to provide a successful strategy.
95 Partially correct 8 ms 348 KB Failed to provide a successful strategy.
96 Partially correct 7 ms 348 KB Failed to provide a successful strategy.
97 Partially correct 5 ms 348 KB Failed to provide a successful strategy.
98 Partially correct 7 ms 348 KB Failed to provide a successful strategy.
99 Partially correct 6 ms 512 KB Failed to provide a successful strategy.
100 Partially correct 6 ms 344 KB Failed to provide a successful strategy.
101 Partially correct 6 ms 344 KB Failed to provide a successful strategy.
102 Partially correct 6 ms 516 KB Failed to provide a successful strategy.
103 Partially correct 6 ms 344 KB Failed to provide a successful strategy.
104 Partially correct 5 ms 348 KB Failed to provide a successful strategy.
105 Partially correct 5 ms 348 KB Failed to provide a successful strategy.
106 Partially correct 6 ms 348 KB Failed to provide a successful strategy.
107 Partially correct 5 ms 348 KB Failed to provide a successful strategy.
108 Partially correct 7 ms 348 KB Failed to provide a successful strategy.
109 Partially correct 6 ms 344 KB Failed to provide a successful strategy.
110 Partially correct 6 ms 600 KB Failed to provide a successful strategy.
111 Partially correct 5 ms 348 KB Failed to provide a successful strategy.
112 Partially correct 5 ms 348 KB Failed to provide a successful strategy.
113 Partially correct 10 ms 344 KB Failed to provide a successful strategy.
114 Partially correct 9 ms 348 KB Failed to provide a successful strategy.
115 Partially correct 5 ms 348 KB Failed to provide a successful strategy.
116 Partially correct 6 ms 348 KB Failed to provide a successful strategy.
117 Partially correct 8 ms 348 KB Failed to provide a successful strategy.
118 Partially correct 6 ms 348 KB Failed to provide a successful strategy.
119 Partially correct 6 ms 348 KB Failed to provide a successful strategy.
120 Partially correct 7 ms 348 KB Failed to provide a successful strategy.
121 Partially correct 6 ms 348 KB Failed to provide a successful strategy.
122 Partially correct 5 ms 512 KB Failed to provide a successful strategy.
123 Partially correct 6 ms 756 KB Failed to provide a successful strategy.
124 Partially correct 7 ms 348 KB Failed to provide a successful strategy.
125 Partially correct 4 ms 348 KB Failed to provide a successful strategy.
126 Partially correct 5 ms 348 KB Failed to provide a successful strategy.
127 Partially correct 5 ms 348 KB Failed to provide a successful strategy.
128 Partially correct 8 ms 464 KB Failed to provide a successful strategy.
129 Correct 6 ms 348 KB Output is correct
130 Correct 7 ms 460 KB Output is correct
131 Correct 7 ms 348 KB Output is correct
132 Correct 6 ms 348 KB Output is correct
133 Correct 6 ms 496 KB Output is correct
134 Correct 27 ms 1288 KB Output is correct
135 Correct 23 ms 1368 KB Output is correct
136 Correct 63 ms 3924 KB Output is correct
137 Correct 41 ms 2388 KB Output is correct
138 Correct 72 ms 2952 KB Output is correct
139 Correct 129 ms 4692 KB Output is correct
140 Correct 23 ms 1108 KB Output is correct
141 Correct 6 ms 600 KB Output is correct
142 Correct 122 ms 4432 KB Output is correct
143 Correct 145 ms 4432 KB Output is correct
144 Partially correct 7 ms 344 KB Failed to provide a successful strategy.
145 Partially correct 7 ms 556 KB Failed to provide a successful strategy.