oj.uz

답안 #1067449

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
1067449 2024-08-20T17:09:12 Z Andrey Newspapers (CEOI21_newspapers) C++14
50 / 100
 70 ms 7760 KB 
#include<bits/stdc++.h>
using namespace std;

vector<int> haha[10000];
int n,m;

int main()
{
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);
    cout.tie(NULL);
    cin >> n >> m;
    int a,b;
    for(int i = 0; i < m; i++) {
        cin >> a >> b;
        haha[a].push_back(b);
        haha[b].push_back(a);
    }
    if(m > n-1) {
        cout << "NO" << endl;
        return 0;
    }
    vector<int> br(n+1);
    for(int i = 1; i <= n; i++) {
        br[i] = haha[i].size();
    }
    for(int i = 1; i <= n; i++) {
        if(haha[i].size() == 1) {
            br[haha[i][0]]--;
            br[i] = -1;
        }
    }
    vector<int> br1(n+1);
    for(int i = 1; i <= n; i++) {
        br1[i] = br[i];
    }
    bool yeah = false;
    for(int i = 1; i <= n; i++) {
        if(br1[i] <= 1 && br1[i] >= 0) {
            for(int v: haha[i]) {
                br[v]--;
            }
            br[i] = -1;
        }
    }
    for(int i = 1; i <= n; i++) {
        if(br[i] > 2) {
            yeah = true;
        }
    }
    if(yeah) {
        cout << "NO\n";
    }
    else {
        cout << "YES\n";
        cout << 1 << endl << 1 << endl;
        /*if(n == 1) {
            cout << 1 << endl << 1 << endl;
            return 0;
        }
        int y = -1;
        for(int i = 1; i <= n; i++) {
            if(br[i] >= 0) {
                y = i;
            }
        }
        vector<int> ans(0);
        if(y == -1) {
            for(int i = 1; i <= n; i++) {
                if(br1[i] >= 0) {
                    ans.push_back(i);
                }
            }
        }
        else {
            vector<int> wow(0);
            while(true) {
                wow.push_back(y);
                bool yeah = false;
                for(int v: haha[y]) {
                    if(br[v] >= 1 && (wow.size() == 1 || wow[wow.size()-2] != v)) {
                        y = v;
                        yeah = true;
                        break;
                    }
                }
                if(!yeah) {
                    break;
                }
            }
            for(int i = 0; i < wow.size(); i++) {
                int a = wow[i];
                if(i > 0) {
                    ans.push_back(a);
                }
                for(int v: haha[a]) {
                    if(br1[v] == 1) {
                        ans.push_back(v);
                        ans.push_back(a);
                    }
                }
            }
            ans.pop_back();
        }
        cout << ans.size()*2 << endl;
        for(int i = 0; i < ans.size(); i++) {
            cout << ans[i] << " ";
        }
        if(ans.size()%2) {
            for(int i = 0; i < ans.size(); i++) {
                cout << ans[i] << " ";
            }
        }
        else {
            for(int i = ans.size()-1; i >= 0; i--) {
                cout << ans[i] << " ";
            }
        }
        cout << endl;*/
    }
    return 0;
}

Subtask #1
6.0 / 12.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 600 KB Output is correct
2 Partially correct 0 ms 600 KB Failed to provide a successful strategy.
3 Partially correct 0 ms 600 KB Failed to provide a successful strategy.
4 Partially correct 0 ms 604 KB Failed to provide a successful strategy.
5 Partially correct 1 ms 604 KB Failed to provide a successful strategy.
6 Partially correct 1 ms 604 KB Failed to provide a successful strategy.
7 Correct 1 ms 604 KB Output is correct
8 Partially correct 0 ms 604 KB Failed to provide a successful strategy.
9 Correct 0 ms 604 KB Output is correct
10 Partially correct 0 ms 604 KB Failed to provide a successful strategy.
11 Partially correct 0 ms 604 KB Failed to provide a successful strategy.
12 Partially correct 0 ms 604 KB Failed to provide a successful strategy.
13 Partially correct 0 ms 604 KB Failed to provide a successful strategy.
14 Partially correct 1 ms 860 KB Failed to provide a successful strategy.
15 Partially correct 1 ms 696 KB Failed to provide a successful strategy.
16 Partially correct 1 ms 604 KB Failed to provide a successful strategy.
17 Partially correct 1 ms 604 KB Failed to provide a successful strategy.
18 Partially correct 0 ms 604 KB Failed to provide a successful strategy.
19 Partially correct 0 ms 604 KB Failed to provide a successful strategy.
20 Partially correct 1 ms 604 KB Failed to provide a successful strategy.
21 Partially correct 0 ms 856 KB Failed to provide a successful strategy.
22 Partially correct 0 ms 604 KB Failed to provide a successful strategy.
23 Partially correct 0 ms 604 KB Failed to provide a successful strategy.
24 Partially correct 0 ms 604 KB Failed to provide a successful strategy.
25 Partially correct 1 ms 604 KB Failed to provide a successful strategy.
26 Partially correct 0 ms 604 KB Failed to provide a successful strategy.
27 Partially correct 0 ms 604 KB Failed to provide a successful strategy.
28 Partially correct 0 ms 604 KB Failed to provide a successful strategy.
29 Correct 0 ms 696 KB Output is correct
30 Partially correct 0 ms 604 KB Failed to provide a successful strategy.
31 Partially correct 0 ms 604 KB Failed to provide a successful strategy.
32 Partially correct 0 ms 604 KB Failed to provide a successful strategy.
33 Partially correct 0 ms 604 KB Failed to provide a successful strategy.
34 Correct 0 ms 604 KB Output is correct
35 Partially correct 0 ms 604 KB Failed to provide a successful strategy.
36 Partially correct 0 ms 604 KB Failed to provide a successful strategy.
37 Partially correct 0 ms 604 KB Failed to provide a successful strategy.
38 Partially correct 0 ms 604 KB Failed to provide a successful strategy.
39 Partially correct 0 ms 604 KB Failed to provide a successful strategy.
40 Partially correct 0 ms 604 KB Failed to provide a successful strategy.
41 Partially correct 0 ms 604 KB Failed to provide a successful strategy.
42 Partially correct 0 ms 600 KB Failed to provide a successful strategy.
43 Partially correct 0 ms 604 KB Failed to provide a successful strategy.
44 Partially correct 0 ms 604 KB Failed to provide a successful strategy.
45 Correct 1 ms 604 KB Output is correct
46 Correct 0 ms 604 KB Output is correct
47 Correct 1 ms 604 KB Output is correct
48 Partially correct 0 ms 668 KB Failed to provide a successful strategy.
49 Correct 0 ms 604 KB Output is correct
50 Correct 1 ms 604 KB Output is correct
51 Partially correct 0 ms 608 KB Failed to provide a successful strategy.
52 Correct 1 ms 604 KB Output is correct
53 Correct 0 ms 604 KB Output is correct
54 Partially correct 0 ms 612 KB Failed to provide a successful strategy.
55 Correct 1 ms 768 KB Output is correct
56 Correct 1 ms 604 KB Output is correct
57 Correct 0 ms 604 KB Output is correct
58 Correct 0 ms 608 KB Output is correct
59 Correct 0 ms 604 KB Output is correct
60 Correct 1 ms 604 KB Output is correct
61 Correct 1 ms 608 KB Output is correct
62 Correct 1 ms 612 KB Output is correct
63 Correct 1 ms 608 KB Output is correct
64 Correct 0 ms 604 KB Output is correct

Subtask #2
4.0 / 8.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 604 KB Output is correct
2 Partially correct 0 ms 604 KB Failed to provide a successful strategy.
3 Partially correct 1 ms 604 KB Failed to provide a successful strategy.
4 Partially correct 0 ms 604 KB Failed to provide a successful strategy.
5 Partially correct 0 ms 604 KB Failed to provide a successful strategy.
6 Partially correct 0 ms 856 KB Failed to provide a successful strategy.
7 Partially correct 1 ms 604 KB Failed to provide a successful strategy.
8 Partially correct 0 ms 604 KB Failed to provide a successful strategy.
9 Partially correct 0 ms 604 KB Failed to provide a successful strategy.
10 Partially correct 0 ms 604 KB Failed to provide a successful strategy.
11 Partially correct 1 ms 604 KB Failed to provide a successful strategy.
12 Partially correct 1 ms 604 KB Failed to provide a successful strategy.
13 Partially correct 1 ms 604 KB Failed to provide a successful strategy.
14 Partially correct 0 ms 600 KB Failed to provide a successful strategy.
15 Partially correct 1 ms 604 KB Failed to provide a successful strategy.
16 Partially correct 1 ms 604 KB Failed to provide a successful strategy.
17 Partially correct 0 ms 604 KB Failed to provide a successful strategy.
18 Partially correct 1 ms 600 KB Failed to provide a successful strategy.
19 Partially correct 1 ms 604 KB Failed to provide a successful strategy.
20 Partially correct 1 ms 604 KB Failed to provide a successful strategy.

Subtask #3
40.0 / 80.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 600 KB Output is correct
2 Partially correct 0 ms 600 KB Failed to provide a successful strategy.
3 Partially correct 0 ms 600 KB Failed to provide a successful strategy.
4 Partially correct 0 ms 604 KB Failed to provide a successful strategy.
5 Partially correct 1 ms 604 KB Failed to provide a successful strategy.
6 Partially correct 1 ms 604 KB Failed to provide a successful strategy.
7 Correct 1 ms 604 KB Output is correct
8 Partially correct 0 ms 604 KB Failed to provide a successful strategy.
9 Correct 0 ms 604 KB Output is correct
10 Partially correct 0 ms 604 KB Failed to provide a successful strategy.
11 Partially correct 0 ms 604 KB Failed to provide a successful strategy.
12 Partially correct 0 ms 604 KB Failed to provide a successful strategy.
13 Partially correct 0 ms 604 KB Failed to provide a successful strategy.
14 Partially correct 1 ms 860 KB Failed to provide a successful strategy.
15 Partially correct 1 ms 696 KB Failed to provide a successful strategy.
16 Partially correct 1 ms 604 KB Failed to provide a successful strategy.
17 Partially correct 1 ms 604 KB Failed to provide a successful strategy.
18 Partially correct 0 ms 604 KB Failed to provide a successful strategy.
19 Partially correct 0 ms 604 KB Failed to provide a successful strategy.
20 Partially correct 1 ms 604 KB Failed to provide a successful strategy.
21 Partially correct 0 ms 856 KB Failed to provide a successful strategy.
22 Partially correct 0 ms 604 KB Failed to provide a successful strategy.
23 Partially correct 0 ms 604 KB Failed to provide a successful strategy.
24 Partially correct 0 ms 604 KB Failed to provide a successful strategy.
25 Partially correct 1 ms 604 KB Failed to provide a successful strategy.
26 Partially correct 0 ms 604 KB Failed to provide a successful strategy.
27 Partially correct 0 ms 604 KB Failed to provide a successful strategy.
28 Partially correct 0 ms 604 KB Failed to provide a successful strategy.
29 Correct 0 ms 696 KB Output is correct
30 Partially correct 0 ms 604 KB Failed to provide a successful strategy.
31 Partially correct 0 ms 604 KB Failed to provide a successful strategy.
32 Partially correct 0 ms 604 KB Failed to provide a successful strategy.
33 Partially correct 0 ms 604 KB Failed to provide a successful strategy.
34 Correct 0 ms 604 KB Output is correct
35 Partially correct 0 ms 604 KB Failed to provide a successful strategy.
36 Partially correct 0 ms 604 KB Failed to provide a successful strategy.
37 Partially correct 0 ms 604 KB Failed to provide a successful strategy.
38 Partially correct 0 ms 604 KB Failed to provide a successful strategy.
39 Partially correct 0 ms 604 KB Failed to provide a successful strategy.
40 Partially correct 0 ms 604 KB Failed to provide a successful strategy.
41 Partially correct 0 ms 604 KB Failed to provide a successful strategy.
42 Partially correct 0 ms 600 KB Failed to provide a successful strategy.
43 Partially correct 0 ms 604 KB Failed to provide a successful strategy.
44 Partially correct 0 ms 604 KB Failed to provide a successful strategy.
45 Correct 1 ms 604 KB Output is correct
46 Correct 0 ms 604 KB Output is correct
47 Correct 1 ms 604 KB Output is correct
48 Partially correct 0 ms 668 KB Failed to provide a successful strategy.
49 Correct 0 ms 604 KB Output is correct
50 Correct 1 ms 604 KB Output is correct
51 Partially correct 0 ms 608 KB Failed to provide a successful strategy.
52 Correct 1 ms 604 KB Output is correct
53 Correct 0 ms 604 KB Output is correct
54 Partially correct 0 ms 612 KB Failed to provide a successful strategy.
55 Correct 1 ms 768 KB Output is correct
56 Correct 1 ms 604 KB Output is correct
57 Correct 0 ms 604 KB Output is correct
58 Correct 0 ms 608 KB Output is correct
59 Correct 0 ms 604 KB Output is correct
60 Correct 1 ms 604 KB Output is correct
61 Correct 1 ms 608 KB Output is correct
62 Correct 1 ms 612 KB Output is correct
63 Correct 1 ms 608 KB Output is correct
64 Correct 0 ms 604 KB Output is correct
65 Correct 1 ms 604 KB Output is correct
66 Partially correct 0 ms 604 KB Failed to provide a successful strategy.
67 Partially correct 0 ms 604 KB Failed to provide a successful strategy.
68 Partially correct 1 ms 604 KB Failed to provide a successful strategy.
69 Partially correct 1 ms 604 KB Failed to provide a successful strategy.
70 Partially correct 0 ms 604 KB Failed to provide a successful strategy.
71 Correct 0 ms 604 KB Output is correct
72 Partially correct 0 ms 604 KB Failed to provide a successful strategy.
73 Correct 0 ms 604 KB Output is correct
74 Partially correct 0 ms 604 KB Failed to provide a successful strategy.
75 Partially correct 0 ms 632 KB Failed to provide a successful strategy.
76 Partially correct 0 ms 604 KB Failed to provide a successful strategy.
77 Partially correct 0 ms 604 KB Failed to provide a successful strategy.
78 Partially correct 0 ms 604 KB Failed to provide a successful strategy.
79 Correct 0 ms 604 KB Output is correct
80 Correct 1 ms 604 KB Output is correct
81 Correct 0 ms 604 KB Output is correct
82 Correct 0 ms 604 KB Output is correct
83 Correct 0 ms 604 KB Output is correct
84 Correct 1 ms 604 KB Output is correct
85 Correct 1 ms 604 KB Output is correct
86 Correct 0 ms 604 KB Output is correct
87 Correct 0 ms 604 KB Output is correct
88 Correct 1 ms 604 KB Output is correct
89 Partially correct 0 ms 604 KB Failed to provide a successful strategy.
90 Partially correct 1 ms 604 KB Failed to provide a successful strategy.
91 Partially correct 1 ms 604 KB Failed to provide a successful strategy.
92 Partially correct 0 ms 604 KB Failed to provide a successful strategy.
93 Partially correct 1 ms 604 KB Failed to provide a successful strategy.
94 Partially correct 0 ms 604 KB Failed to provide a successful strategy.
95 Partially correct 1 ms 600 KB Failed to provide a successful strategy.
96 Partially correct 1 ms 604 KB Failed to provide a successful strategy.
97 Partially correct 1 ms 604 KB Failed to provide a successful strategy.
98 Partially correct 1 ms 604 KB Failed to provide a successful strategy.
99 Partially correct 0 ms 604 KB Failed to provide a successful strategy.
100 Partially correct 0 ms 608 KB Failed to provide a successful strategy.
101 Partially correct 1 ms 600 KB Failed to provide a successful strategy.
102 Partially correct 0 ms 604 KB Failed to provide a successful strategy.
103 Partially correct 0 ms 604 KB Failed to provide a successful strategy.
104 Partially correct 0 ms 604 KB Failed to provide a successful strategy.
105 Partially correct 1 ms 604 KB Failed to provide a successful strategy.
106 Partially correct 1 ms 612 KB Failed to provide a successful strategy.
107 Partially correct 1 ms 604 KB Failed to provide a successful strategy.
108 Partially correct 0 ms 608 KB Failed to provide a successful strategy.
109 Partially correct 1 ms 604 KB Failed to provide a successful strategy.
110 Partially correct 1 ms 604 KB Failed to provide a successful strategy.
111 Partially correct 1 ms 608 KB Failed to provide a successful strategy.
112 Partially correct 0 ms 696 KB Failed to provide a successful strategy.
113 Partially correct 1 ms 604 KB Failed to provide a successful strategy.
114 Partially correct 1 ms 612 KB Failed to provide a successful strategy.
115 Partially correct 1 ms 604 KB Failed to provide a successful strategy.
116 Partially correct 0 ms 612 KB Failed to provide a successful strategy.
117 Partially correct 1 ms 600 KB Failed to provide a successful strategy.
118 Partially correct 0 ms 604 KB Failed to provide a successful strategy.
119 Partially correct 1 ms 616 KB Failed to provide a successful strategy.
120 Partially correct 1 ms 860 KB Failed to provide a successful strategy.
121 Partially correct 1 ms 616 KB Failed to provide a successful strategy.
122 Partially correct 1 ms 612 KB Failed to provide a successful strategy.
123 Partially correct 1 ms 600 KB Failed to provide a successful strategy.
124 Partially correct 1 ms 604 KB Failed to provide a successful strategy.
125 Partially correct 0 ms 604 KB Failed to provide a successful strategy.
126 Partially correct 0 ms 604 KB Failed to provide a successful strategy.
127 Partially correct 0 ms 600 KB Failed to provide a successful strategy.
128 Partially correct 1 ms 604 KB Failed to provide a successful strategy.
129 Correct 1 ms 604 KB Output is correct
130 Correct 1 ms 604 KB Output is correct
131 Correct 1 ms 604 KB Output is correct
132 Correct 1 ms 604 KB Output is correct
133 Correct 1 ms 600 KB Output is correct
134 Correct 9 ms 2140 KB Output is correct
135 Correct 11 ms 2140 KB Output is correct
136 Correct 22 ms 5724 KB Output is correct
137 Correct 13 ms 3672 KB Output is correct
138 Correct 22 ms 4956 KB Output is correct
139 Correct 70 ms 7760 KB Output is correct
140 Correct 6 ms 1624 KB Output is correct
141 Correct 2 ms 860 KB Output is correct
142 Correct 38 ms 7180 KB Output is correct
143 Correct 45 ms 7688 KB Output is correct
144 Partially correct 0 ms 700 KB Failed to provide a successful strategy.
145 Partially correct 1 ms 604 KB Failed to provide a successful strategy.