oj.uz

답안 #924482

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
924482 2024-02-09T05:23:46 Z Sir_Ahmed_Imran Railway (BOI17_railway) C++17
100 / 100
 135 ms 27380 KB 
                              ///~~~LOTA~~~///
#include <bits/stdc++.h>
using namespace std;
#define ll long long
#define append push_back
#define add insert
#define nl "\n"
#define ff first
#define ss second
#define pii pair<int,int>
#define all(x) (x).begin(),(x).end()
#define L0TA ios_base::sync_with_stdio(false);cin.tie(NULL)
#define N 100001
int k;
int s[N];
vector<int> ans;
vector<pii> a[N];
vector<int> c[N];
map<int,int> *x[N];
void dfs(int v,int u){
    int z=0;
    for(auto& i:a[v]){
        if(i.ss==u) continue;
        dfs(i.ff,i.ss);
        if((*x[i.ff]).size()>(*x[z]).size())
            z=i.ff;
    }
    if(z>0) x[v]=x[z];
    else x[v]=new map<int,int>;
    for(auto &i:a[v]){
        if(i.ss==u || i.ff==z) 
            continue;
        for(auto& j:*x[i.ff]){
            (*x[v])[j.ff]+=j.ss;
            if(s[j.ff]==(*x[v])[j.ff])
                (*x[v]).erase(j.ff);
        }
        (*x[i.ff]).clear();
    }
    for(auto& i:c[v]){
        (*x[v])[i]++;
        if(s[i]==(*x[v])[i])
            (*x[v]).erase(i);
    }
    if((*x[v]).size()>=k)
        ans.append(u);
}
void solve(){
    int n,m,p,q;
    cin>>n>>m>>k;
    for(int i=1;i<n;i++){
        cin>>p>>q;
        a[p].append({q,i});
        a[q].append({p,i});
    }
    for(int i=0;i<m;i++){
        cin>>s[i];
        for(int j=0;j<s[i];j++){
            cin>>q;
            c[q].append(i);
        }
    }
    x[0]=new map<int,int>;
    dfs(1,0);
    sort(all(ans));
    cout<<ans.size()<<nl;
    for(auto& i:ans) cout<<i<<' ';
}
int main(){
    L0TA;
    solve();
    return 0;
}

Compilation message

railway.cpp: In function 'void dfs(int, int)':
railway.cpp:45:22: warning: comparison of integer expressions of different signedness: 'std::map<int, int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   45 |     if((*x[v]).size()>=k)
      |        ~~~~~~~~~~~~~~^~~

Subtask #1
8.0 / 8.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 5724 KB Output is correct
2 Correct 4 ms 6748 KB Output is correct
3 Correct 4 ms 6808 KB Output is correct
4 Correct 2 ms 5776 KB Output is correct
5 Correct 1 ms 5948 KB Output is correct
6 Correct 5 ms 7260 KB Output is correct
7 Correct 6 ms 6748 KB Output is correct
8 Correct 4 ms 6976 KB Output is correct
9 Correct 5 ms 7004 KB Output is correct
10 Correct 2 ms 5724 KB Output is correct
11 Correct 2 ms 5724 KB Output is correct
12 Correct 2 ms 5724 KB Output is correct
13 Correct 2 ms 5720 KB Output is correct
14 Correct 1 ms 5724 KB Output is correct

Subtask #2
15.0 / 15.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 5724 KB Output is correct
2 Correct 4 ms 6748 KB Output is correct
3 Correct 4 ms 6808 KB Output is correct
4 Correct 2 ms 5776 KB Output is correct
5 Correct 1 ms 5948 KB Output is correct
6 Correct 5 ms 7260 KB Output is correct
7 Correct 6 ms 6748 KB Output is correct
8 Correct 4 ms 6976 KB Output is correct
9 Correct 5 ms 7004 KB Output is correct
10 Correct 2 ms 5724 KB Output is correct
11 Correct 2 ms 5724 KB Output is correct
12 Correct 2 ms 5724 KB Output is correct
13 Correct 2 ms 5720 KB Output is correct
14 Correct 1 ms 5724 KB Output is correct
15 Correct 24 ms 7652 KB Output is correct
16 Correct 23 ms 7760 KB Output is correct
17 Correct 23 ms 7764 KB Output is correct
18 Correct 6 ms 7260 KB Output is correct
19 Correct 5 ms 6744 KB Output is correct
20 Correct 31 ms 12888 KB Output is correct
21 Correct 29 ms 9664 KB Output is correct
22 Correct 1 ms 5720 KB Output is correct
23 Correct 5 ms 6804 KB Output is correct
24 Correct 4 ms 6748 KB Output is correct
25 Correct 1 ms 5768 KB Output is correct
26 Correct 1 ms 5724 KB Output is correct
27 Correct 5 ms 7348 KB Output is correct
28 Correct 4 ms 6748 KB Output is correct
29 Correct 4 ms 7004 KB Output is correct
30 Correct 5 ms 7004 KB Output is correct
31 Correct 2 ms 5724 KB Output is correct
32 Correct 2 ms 5768 KB Output is correct
33 Correct 2 ms 5724 KB Output is correct
34 Correct 1 ms 5724 KB Output is correct
35 Correct 2 ms 5724 KB Output is correct

Subtask #3
7.0 / 7.0

# 결과 실행 시간 메모리 Grader output
1 Correct 81 ms 25548 KB Output is correct
2 Correct 2 ms 5720 KB Output is correct
3 Correct 83 ms 27104 KB Output is correct
4 Correct 87 ms 26704 KB Output is correct
5 Correct 63 ms 26436 KB Output is correct
6 Correct 63 ms 26448 KB Output is correct

Subtask #4
29.0 / 29.0

# 결과 실행 시간 메모리 Grader output
1 Correct 68 ms 21408 KB Output is correct
2 Correct 96 ms 19440 KB Output is correct
3 Correct 99 ms 18232 KB Output is correct
4 Correct 92 ms 22948 KB Output is correct
5 Correct 108 ms 21140 KB Output is correct
6 Correct 81 ms 23768 KB Output is correct
7 Correct 73 ms 24920 KB Output is correct

Subtask #5
16.0 / 16.0

# 결과 실행 시간 메모리 Grader output
1 Correct 68 ms 21408 KB Output is correct
2 Correct 96 ms 19440 KB Output is correct
3 Correct 99 ms 18232 KB Output is correct
4 Correct 92 ms 22948 KB Output is correct
5 Correct 108 ms 21140 KB Output is correct
6 Correct 81 ms 23768 KB Output is correct
7 Correct 73 ms 24920 KB Output is correct
8 Correct 64 ms 22152 KB Output is correct
9 Correct 77 ms 21844 KB Output is correct
10 Correct 59 ms 26104 KB Output is correct
11 Correct 59 ms 26208 KB Output is correct
12 Correct 58 ms 19916 KB Output is correct
13 Correct 59 ms 20080 KB Output is correct
14 Correct 77 ms 18928 KB Output is correct
15 Correct 73 ms 18752 KB Output is correct
16 Correct 105 ms 22660 KB Output is correct
17 Correct 117 ms 19816 KB Output is correct
18 Correct 92 ms 23068 KB Output is correct
19 Correct 88 ms 18824 KB Output is correct
20 Correct 76 ms 23636 KB Output is correct
21 Correct 80 ms 23740 KB Output is correct
22 Correct 71 ms 24372 KB Output is correct

Subtask #6
25.0 / 25.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 5724 KB Output is correct
2 Correct 4 ms 6748 KB Output is correct
3 Correct 4 ms 6808 KB Output is correct
4 Correct 2 ms 5776 KB Output is correct
5 Correct 1 ms 5948 KB Output is correct
6 Correct 5 ms 7260 KB Output is correct
7 Correct 6 ms 6748 KB Output is correct
8 Correct 4 ms 6976 KB Output is correct
9 Correct 5 ms 7004 KB Output is correct
10 Correct 2 ms 5724 KB Output is correct
11 Correct 2 ms 5724 KB Output is correct
12 Correct 2 ms 5724 KB Output is correct
13 Correct 2 ms 5720 KB Output is correct
14 Correct 1 ms 5724 KB Output is correct
15 Correct 24 ms 7652 KB Output is correct
16 Correct 23 ms 7760 KB Output is correct
17 Correct 23 ms 7764 KB Output is correct
18 Correct 6 ms 7260 KB Output is correct
19 Correct 5 ms 6744 KB Output is correct
20 Correct 31 ms 12888 KB Output is correct
21 Correct 29 ms 9664 KB Output is correct
22 Correct 1 ms 5720 KB Output is correct
23 Correct 5 ms 6804 KB Output is correct
24 Correct 4 ms 6748 KB Output is correct
25 Correct 1 ms 5768 KB Output is correct
26 Correct 1 ms 5724 KB Output is correct
27 Correct 5 ms 7348 KB Output is correct
28 Correct 4 ms 6748 KB Output is correct
29 Correct 4 ms 7004 KB Output is correct
30 Correct 5 ms 7004 KB Output is correct
31 Correct 2 ms 5724 KB Output is correct
32 Correct 2 ms 5768 KB Output is correct
33 Correct 2 ms 5724 KB Output is correct
34 Correct 1 ms 5724 KB Output is correct
35 Correct 2 ms 5724 KB Output is correct
36 Correct 81 ms 25548 KB Output is correct
37 Correct 2 ms 5720 KB Output is correct
38 Correct 83 ms 27104 KB Output is correct
39 Correct 87 ms 26704 KB Output is correct
40 Correct 63 ms 26436 KB Output is correct
41 Correct 63 ms 26448 KB Output is correct
42 Correct 68 ms 21408 KB Output is correct
43 Correct 96 ms 19440 KB Output is correct
44 Correct 99 ms 18232 KB Output is correct
45 Correct 92 ms 22948 KB Output is correct
46 Correct 108 ms 21140 KB Output is correct
47 Correct 81 ms 23768 KB Output is correct
48 Correct 73 ms 24920 KB Output is correct
49 Correct 64 ms 22152 KB Output is correct
50 Correct 77 ms 21844 KB Output is correct
51 Correct 59 ms 26104 KB Output is correct
52 Correct 59 ms 26208 KB Output is correct
53 Correct 58 ms 19916 KB Output is correct
54 Correct 59 ms 20080 KB Output is correct
55 Correct 77 ms 18928 KB Output is correct
56 Correct 73 ms 18752 KB Output is correct
57 Correct 105 ms 22660 KB Output is correct
58 Correct 117 ms 19816 KB Output is correct
59 Correct 92 ms 23068 KB Output is correct
60 Correct 88 ms 18824 KB Output is correct
61 Correct 76 ms 23636 KB Output is correct
62 Correct 80 ms 23740 KB Output is correct
63 Correct 71 ms 24372 KB Output is correct
64 Correct 70 ms 22608 KB Output is correct
65 Correct 135 ms 19396 KB Output is correct
66 Correct 97 ms 17744 KB Output is correct
67 Correct 87 ms 17904 KB Output is correct
68 Correct 46 ms 18856 KB Output is correct
69 Correct 43 ms 19028 KB Output is correct
70 Correct 87 ms 23248 KB Output is correct
71 Correct 63 ms 22548 KB Output is correct
72 Correct 2 ms 5724 KB Output is correct
73 Correct 5 ms 6724 KB Output is correct
74 Correct 5 ms 6748 KB Output is correct
75 Correct 2 ms 5724 KB Output is correct
76 Correct 1 ms 5724 KB Output is correct
77 Correct 5 ms 7292 KB Output is correct
78 Correct 5 ms 7004 KB Output is correct
79 Correct 4 ms 6920 KB Output is correct
80 Correct 5 ms 7256 KB Output is correct
81 Correct 2 ms 5976 KB Output is correct
82 Correct 2 ms 5764 KB Output is correct
83 Correct 2 ms 5720 KB Output is correct
84 Correct 1 ms 5724 KB Output is correct
85 Correct 2 ms 5720 KB Output is correct
86 Correct 23 ms 7764 KB Output is correct
87 Correct 23 ms 7648 KB Output is correct
88 Correct 24 ms 7680 KB Output is correct
89 Correct 7 ms 7260 KB Output is correct
90 Correct 6 ms 7000 KB Output is correct
91 Correct 31 ms 12888 KB Output is correct
92 Correct 30 ms 9816 KB Output is correct
93 Correct 2 ms 5724 KB Output is correct
94 Correct 81 ms 27380 KB Output is correct
95 Correct 77 ms 27004 KB Output is correct
96 Correct 78 ms 26700 KB Output is correct
97 Correct 65 ms 26356 KB Output is correct
98 Correct 68 ms 26656 KB Output is correct
99 Correct 104 ms 22864 KB Output is correct
100 Correct 107 ms 22540 KB Output is correct
101 Correct 112 ms 22864 KB Output is correct
102 Correct 78 ms 19024 KB Output is correct
103 Correct 70 ms 24036 KB Output is correct
104 Correct 79 ms 24332 KB Output is correct
105 Correct 68 ms 23028 KB Output is correct
106 Correct 65 ms 22872 KB Output is correct
107 Correct 74 ms 22828 KB Output is correct
108 Correct 59 ms 26112 KB Output is correct
109 Correct 59 ms 26264 KB Output is correct
110 Correct 48 ms 20048 KB Output is correct
111 Correct 49 ms 20108 KB Output is correct
112 Correct 87 ms 19028 KB Output is correct
113 Correct 89 ms 18624 KB Output is correct