oj.uz

Submission #1114580

# Submission time Handle Problem Language Result Execution time Memory
1114580 2024-11-19T08:13:32 Z vjudge1 Newspapers (CEOI21_newspapers) C++17
50 / 100
 47 ms 8776 KB 
#include <bits/stdc++.h>
#define pb push_back
#define spc << " " <<
#define endl "\n"
#define all(x) x.begin(), x.end()
#define int long long
#define ii pair<int, int>
#define vi vector<int>
#define vii vector<ii>
#define st first
#define nd second
#define mid (l+r)/2
#define inf 1e15
#define MOD 998244353
#define MX 1005
using namespace std;

vi edges[MX];
int rdep[MX];
int dfs(int node, int pa){
    rdep[node]=0;
    int cnt=0;
    for(auto i:edges[node]){
        if(i==pa) continue;
        if(!dfs(i, node)) return 0;
        rdep[node]=max(rdep[node], rdep[i]+1);
        if(rdep[i]>1) cnt++;
        if(cnt>2) return 0;
    }
    return 1;
}

void solve(){
    int n,m; cin >> n >> m;
    for(int i=1; i<=m; i++){
        int a,b; cin >> a >> b;
        edges[a].pb(b);
        edges[b].pb(a);
    }
    if(m>=n){
        cout << "NO\n";
        return;
    }
    for(int r=1; r<=n; r++){
        if(!dfs(r, 0)){
            cout << "NO\n";
            return;
        }
    }
    cout << "YES\n";
    cout << 1 << endl << 1 << endl;
}


signed main(){
    ios_base::sync_with_stdio(false);cin.tie(0);
    #ifdef Local
    freopen("in","r",stdin);
    freopen("out","w",stdout);
    /*#else
    freopen("248.in","r",stdin);
    freopen("248.out","w",stdout);*/
    #endif


    int t=1;
    //cin >> t;
    while(t--) solve();
}

Subtask #1
6.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 336 KB Output is correct
2 Partially correct 1 ms 336 KB Failed to provide a successful strategy.
3 Partially correct 1 ms 384 KB Failed to provide a successful strategy.
4 Partially correct 1 ms 336 KB Failed to provide a successful strategy.
5 Partially correct 1 ms 504 KB Failed to provide a successful strategy.
6 Partially correct 1 ms 336 KB Failed to provide a successful strategy.
7 Correct 1 ms 336 KB Output is correct
8 Partially correct 1 ms 336 KB Failed to provide a successful strategy.
9 Correct 1 ms 336 KB Output is correct
10 Partially correct 1 ms 336 KB Failed to provide a successful strategy.
11 Partially correct 1 ms 336 KB Failed to provide a successful strategy.
12 Partially correct 1 ms 336 KB Failed to provide a successful strategy.
13 Partially correct 1 ms 336 KB Failed to provide a successful strategy.
14 Partially correct 1 ms 336 KB Failed to provide a successful strategy.
15 Partially correct 1 ms 336 KB Failed to provide a successful strategy.
16 Partially correct 1 ms 336 KB Failed to provide a successful strategy.
17 Partially correct 1 ms 336 KB Failed to provide a successful strategy.
18 Partially correct 1 ms 336 KB Failed to provide a successful strategy.
19 Partially correct 1 ms 336 KB Failed to provide a successful strategy.
20 Partially correct 1 ms 336 KB Failed to provide a successful strategy.
21 Partially correct 1 ms 336 KB Failed to provide a successful strategy.
22 Partially correct 1 ms 336 KB Failed to provide a successful strategy.
23 Partially correct 1 ms 336 KB Failed to provide a successful strategy.
24 Partially correct 1 ms 336 KB Failed to provide a successful strategy.
25 Partially correct 1 ms 336 KB Failed to provide a successful strategy.
26 Partially correct 1 ms 504 KB Failed to provide a successful strategy.
27 Partially correct 1 ms 336 KB Failed to provide a successful strategy.
28 Partially correct 1 ms 336 KB Failed to provide a successful strategy.
29 Correct 1 ms 336 KB Output is correct
30 Partially correct 1 ms 336 KB Failed to provide a successful strategy.
31 Partially correct 1 ms 336 KB Failed to provide a successful strategy.
32 Partially correct 1 ms 336 KB Failed to provide a successful strategy.
33 Partially correct 1 ms 336 KB Failed to provide a successful strategy.
34 Correct 1 ms 336 KB Output is correct
35 Partially correct 1 ms 336 KB Failed to provide a successful strategy.
36 Partially correct 1 ms 336 KB Failed to provide a successful strategy.
37 Partially correct 1 ms 336 KB Failed to provide a successful strategy.
38 Partially correct 1 ms 336 KB Failed to provide a successful strategy.
39 Partially correct 1 ms 336 KB Failed to provide a successful strategy.
40 Partially correct 1 ms 336 KB Failed to provide a successful strategy.
41 Partially correct 1 ms 576 KB Failed to provide a successful strategy.
42 Partially correct 2 ms 336 KB Failed to provide a successful strategy.
43 Partially correct 1 ms 336 KB Failed to provide a successful strategy.
44 Partially correct 1 ms 336 KB Failed to provide a successful strategy.
45 Correct 1 ms 336 KB Output is correct
46 Correct 1 ms 336 KB Output is correct
47 Correct 1 ms 336 KB Output is correct
48 Partially correct 1 ms 336 KB Failed to provide a successful strategy.
49 Correct 1 ms 336 KB Output is correct
50 Correct 1 ms 336 KB Output is correct
51 Partially correct 1 ms 336 KB Failed to provide a successful strategy.
52 Correct 1 ms 336 KB Output is correct
53 Correct 1 ms 336 KB Output is correct
54 Partially correct 1 ms 336 KB Failed to provide a successful strategy.
55 Correct 1 ms 504 KB Output is correct
56 Correct 1 ms 336 KB Output is correct
57 Correct 1 ms 336 KB Output is correct
58 Correct 1 ms 336 KB Output is correct
59 Correct 1 ms 336 KB Output is correct
60 Correct 1 ms 336 KB Output is correct
61 Correct 1 ms 336 KB Output is correct
62 Correct 1 ms 336 KB Output is correct
63 Correct 1 ms 336 KB Output is correct
64 Correct 1 ms 336 KB Output is correct

Subtask #2
4.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 336 KB Output is correct
2 Partially correct 1 ms 336 KB Failed to provide a successful strategy.
3 Partially correct 2 ms 336 KB Failed to provide a successful strategy.
4 Partially correct 1 ms 336 KB Failed to provide a successful strategy.
5 Partially correct 1 ms 336 KB Failed to provide a successful strategy.
6 Partially correct 1 ms 336 KB Failed to provide a successful strategy.
7 Partially correct 1 ms 336 KB Failed to provide a successful strategy.
8 Partially correct 1 ms 336 KB Failed to provide a successful strategy.
9 Partially correct 3 ms 336 KB Failed to provide a successful strategy.
10 Partially correct 1 ms 336 KB Failed to provide a successful strategy.
11 Partially correct 7 ms 592 KB Failed to provide a successful strategy.
12 Partially correct 4 ms 336 KB Failed to provide a successful strategy.
13 Partially correct 4 ms 504 KB Failed to provide a successful strategy.
14 Partially correct 4 ms 336 KB Failed to provide a successful strategy.
15 Partially correct 4 ms 336 KB Failed to provide a successful strategy.
16 Partially correct 7 ms 336 KB Failed to provide a successful strategy.
17 Partially correct 8 ms 600 KB Failed to provide a successful strategy.
18 Partially correct 10 ms 592 KB Failed to provide a successful strategy.
19 Partially correct 10 ms 592 KB Failed to provide a successful strategy.
20 Partially correct 8 ms 592 KB Failed to provide a successful strategy.

Subtask #3
40.0 / 80.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 336 KB Output is correct
2 Partially correct 1 ms 336 KB Failed to provide a successful strategy.
3 Partially correct 1 ms 384 KB Failed to provide a successful strategy.
4 Partially correct 1 ms 336 KB Failed to provide a successful strategy.
5 Partially correct 1 ms 504 KB Failed to provide a successful strategy.
6 Partially correct 1 ms 336 KB Failed to provide a successful strategy.
7 Correct 1 ms 336 KB Output is correct
8 Partially correct 1 ms 336 KB Failed to provide a successful strategy.
9 Correct 1 ms 336 KB Output is correct
10 Partially correct 1 ms 336 KB Failed to provide a successful strategy.
11 Partially correct 1 ms 336 KB Failed to provide a successful strategy.
12 Partially correct 1 ms 336 KB Failed to provide a successful strategy.
13 Partially correct 1 ms 336 KB Failed to provide a successful strategy.
14 Partially correct 1 ms 336 KB Failed to provide a successful strategy.
15 Partially correct 1 ms 336 KB Failed to provide a successful strategy.
16 Partially correct 1 ms 336 KB Failed to provide a successful strategy.
17 Partially correct 1 ms 336 KB Failed to provide a successful strategy.
18 Partially correct 1 ms 336 KB Failed to provide a successful strategy.
19 Partially correct 1 ms 336 KB Failed to provide a successful strategy.
20 Partially correct 1 ms 336 KB Failed to provide a successful strategy.
21 Partially correct 1 ms 336 KB Failed to provide a successful strategy.
22 Partially correct 1 ms 336 KB Failed to provide a successful strategy.
23 Partially correct 1 ms 336 KB Failed to provide a successful strategy.
24 Partially correct 1 ms 336 KB Failed to provide a successful strategy.
25 Partially correct 1 ms 336 KB Failed to provide a successful strategy.
26 Partially correct 1 ms 504 KB Failed to provide a successful strategy.
27 Partially correct 1 ms 336 KB Failed to provide a successful strategy.
28 Partially correct 1 ms 336 KB Failed to provide a successful strategy.
29 Correct 1 ms 336 KB Output is correct
30 Partially correct 1 ms 336 KB Failed to provide a successful strategy.
31 Partially correct 1 ms 336 KB Failed to provide a successful strategy.
32 Partially correct 1 ms 336 KB Failed to provide a successful strategy.
33 Partially correct 1 ms 336 KB Failed to provide a successful strategy.
34 Correct 1 ms 336 KB Output is correct
35 Partially correct 1 ms 336 KB Failed to provide a successful strategy.
36 Partially correct 1 ms 336 KB Failed to provide a successful strategy.
37 Partially correct 1 ms 336 KB Failed to provide a successful strategy.
38 Partially correct 1 ms 336 KB Failed to provide a successful strategy.
39 Partially correct 1 ms 336 KB Failed to provide a successful strategy.
40 Partially correct 1 ms 336 KB Failed to provide a successful strategy.
41 Partially correct 1 ms 576 KB Failed to provide a successful strategy.
42 Partially correct 2 ms 336 KB Failed to provide a successful strategy.
43 Partially correct 1 ms 336 KB Failed to provide a successful strategy.
44 Partially correct 1 ms 336 KB Failed to provide a successful strategy.
45 Correct 1 ms 336 KB Output is correct
46 Correct 1 ms 336 KB Output is correct
47 Correct 1 ms 336 KB Output is correct
48 Partially correct 1 ms 336 KB Failed to provide a successful strategy.
49 Correct 1 ms 336 KB Output is correct
50 Correct 1 ms 336 KB Output is correct
51 Partially correct 1 ms 336 KB Failed to provide a successful strategy.
52 Correct 1 ms 336 KB Output is correct
53 Correct 1 ms 336 KB Output is correct
54 Partially correct 1 ms 336 KB Failed to provide a successful strategy.
55 Correct 1 ms 504 KB Output is correct
56 Correct 1 ms 336 KB Output is correct
57 Correct 1 ms 336 KB Output is correct
58 Correct 1 ms 336 KB Output is correct
59 Correct 1 ms 336 KB Output is correct
60 Correct 1 ms 336 KB Output is correct
61 Correct 1 ms 336 KB Output is correct
62 Correct 1 ms 336 KB Output is correct
63 Correct 1 ms 336 KB Output is correct
64 Correct 1 ms 336 KB Output is correct
65 Correct 1 ms 336 KB Output is correct
66 Partially correct 1 ms 336 KB Failed to provide a successful strategy.
67 Partially correct 1 ms 336 KB Failed to provide a successful strategy.
68 Partially correct 1 ms 336 KB Failed to provide a successful strategy.
69 Partially correct 1 ms 336 KB Failed to provide a successful strategy.
70 Partially correct 1 ms 336 KB Failed to provide a successful strategy.
71 Correct 1 ms 336 KB Output is correct
72 Partially correct 1 ms 336 KB Failed to provide a successful strategy.
73 Correct 1 ms 336 KB Output is correct
74 Partially correct 1 ms 336 KB Failed to provide a successful strategy.
75 Partially correct 1 ms 336 KB Failed to provide a successful strategy.
76 Partially correct 1 ms 336 KB Failed to provide a successful strategy.
77 Partially correct 1 ms 336 KB Failed to provide a successful strategy.
78 Partially correct 1 ms 336 KB Failed to provide a successful strategy.
79 Correct 1 ms 336 KB Output is correct
80 Correct 1 ms 336 KB Output is correct
81 Correct 1 ms 336 KB Output is correct
82 Correct 1 ms 336 KB Output is correct
83 Correct 1 ms 336 KB Output is correct
84 Correct 1 ms 336 KB Output is correct
85 Correct 1 ms 412 KB Output is correct
86 Correct 1 ms 336 KB Output is correct
87 Correct 1 ms 336 KB Output is correct
88 Correct 1 ms 336 KB Output is correct
89 Partially correct 8 ms 508 KB Failed to provide a successful strategy.
90 Partially correct 6 ms 336 KB Failed to provide a successful strategy.
91 Partially correct 6 ms 336 KB Failed to provide a successful strategy.
92 Partially correct 5 ms 336 KB Failed to provide a successful strategy.
93 Partially correct 8 ms 336 KB Failed to provide a successful strategy.
94 Partially correct 6 ms 336 KB Failed to provide a successful strategy.
95 Partially correct 9 ms 336 KB Failed to provide a successful strategy.
96 Partially correct 8 ms 336 KB Failed to provide a successful strategy.
97 Partially correct 5 ms 504 KB Failed to provide a successful strategy.
98 Partially correct 9 ms 336 KB Failed to provide a successful strategy.
99 Partially correct 6 ms 336 KB Failed to provide a successful strategy.
100 Partially correct 9 ms 336 KB Failed to provide a successful strategy.
101 Partially correct 6 ms 336 KB Failed to provide a successful strategy.
102 Partially correct 6 ms 336 KB Failed to provide a successful strategy.
103 Partially correct 7 ms 336 KB Failed to provide a successful strategy.
104 Partially correct 5 ms 336 KB Failed to provide a successful strategy.
105 Partially correct 6 ms 336 KB Failed to provide a successful strategy.
106 Partially correct 7 ms 336 KB Failed to provide a successful strategy.
107 Partially correct 6 ms 336 KB Failed to provide a successful strategy.
108 Partially correct 8 ms 336 KB Failed to provide a successful strategy.
109 Partially correct 7 ms 336 KB Failed to provide a successful strategy.
110 Partially correct 7 ms 336 KB Failed to provide a successful strategy.
111 Partially correct 5 ms 336 KB Failed to provide a successful strategy.
112 Partially correct 6 ms 556 KB Failed to provide a successful strategy.
113 Partially correct 8 ms 336 KB Failed to provide a successful strategy.
114 Partially correct 9 ms 508 KB Failed to provide a successful strategy.
115 Partially correct 5 ms 552 KB Failed to provide a successful strategy.
116 Partially correct 7 ms 336 KB Failed to provide a successful strategy.
117 Partially correct 8 ms 336 KB Failed to provide a successful strategy.
118 Partially correct 7 ms 508 KB Failed to provide a successful strategy.
119 Partially correct 7 ms 508 KB Failed to provide a successful strategy.
120 Partially correct 7 ms 336 KB Failed to provide a successful strategy.
121 Partially correct 8 ms 336 KB Failed to provide a successful strategy.
122 Partially correct 6 ms 336 KB Failed to provide a successful strategy.
123 Partially correct 6 ms 336 KB Failed to provide a successful strategy.
124 Partially correct 8 ms 336 KB Failed to provide a successful strategy.
125 Partially correct 5 ms 504 KB Failed to provide a successful strategy.
126 Partially correct 5 ms 400 KB Failed to provide a successful strategy.
127 Partially correct 5 ms 336 KB Failed to provide a successful strategy.
128 Partially correct 8 ms 336 KB Failed to provide a successful strategy.
129 Correct 1 ms 336 KB Output is correct
130 Correct 1 ms 336 KB Output is correct
131 Correct 1 ms 336 KB Output is correct
132 Correct 1 ms 336 KB Output is correct
133 Correct 1 ms 336 KB Output is correct
134 Correct 10 ms 2384 KB Output is correct
135 Correct 12 ms 2384 KB Output is correct
136 Correct 25 ms 7248 KB Output is correct
137 Correct 15 ms 4344 KB Output is correct
138 Correct 24 ms 5452 KB Output is correct
139 Correct 42 ms 8776 KB Output is correct
140 Correct 7 ms 1680 KB Output is correct
141 Correct 3 ms 848 KB Output is correct
142 Correct 40 ms 8520 KB Output is correct
143 Correct 47 ms 8584 KB Output is correct
144 Partially correct 8 ms 592 KB Failed to provide a successful strategy.
145 Partially correct 8 ms 760 KB Failed to provide a successful strategy.