oj.uz

Submission #884979

# Submission time Handle Problem Language Result Execution time Memory
884979 2023-12-08T18:38:34 Z Ahmed57 Jail (JOI22_jail) C++17
66 / 100
 77 ms 20564 KB 
#include <bits/stdc++.h>
 
using namespace std;
int pr[120001],dep[120001],vis[120001],deg[1001];
vector<int> adj[120001],tree[1001];
void dfs(int i,int ppp){
    pr[i] = ppp;
    dep[i] = dep[ppp]+1;
    for(auto j:adj[i]){
        if(j==ppp)continue;
        dfs(j,i);
    }
}
signed main(){
    ios_base::sync_with_stdio(false);cin.tie(0);cout.tie(0);
    //freopen("input.txt","r",stdin);
    //freopen("out.txt","w",stdout);
    int t;cin>>t;z:while(t--){
    int n;
    cin>>n;
    for(int i = 1;i<=n;i++){
        adj[i].clear();
        pr[i] = 0 , dep[i] = 0;
        vis[i] = 0;
    }
    bool ss = 1;
    for(int i = 0;i<n-1;i++){
        int a,b;cin>>a>>b;
        adj[a].push_back(b);
        adj[b].push_back(a);
        if(a==i+1&&b==i+2){

        }else ss = 0;
    }
    if(ss){
    int q;cin>>q;
    vector<int> adj[n+1];multiset<int> lol;
    while(q--){
        int a,b;cin>>a>>b;
        lol.insert(b);
        adj[a].push_back(b);
    }
    for(int i = 1;i<=n;i++){
        if(adj[i].empty())continue;
        sort(adj[i].begin(),adj[i].end());
        if((*lol.begin())<adj[i][0]){
            cout<<"No\n";goto z;
        }
        for(auto j:adj[i])lol.erase(j);
    }
    cout<<"Yes\n";
}else{
    dfs(1,0);
    int q;cin>>q;
    vector<pair<int,int>> qu;
    for(int i = 1;i<=q;i++){
        int a,b;
        cin>>a>>b;
        qu.push_back({a,b});
    }
    for(int i = 1;i<=q;i++){
        deg[i] = 0 ;tree[i].clear();
    }
    for(int i = 0;i<qu.size();i++){
        int x = qu[i].first , y = qu[i].second;
        while(x!=y){
            if(dep[x]<dep[y])swap(x,y);
            vis[x] = i+1;
            x = pr[x];
        }
        vis[x] = i+1;
        for(int j = 0;j<qu.size();j++){
            if(i==j)continue;
            if(vis[qu[j].first]==i+1&&vis[qu[j].second]==i+1){
                cout<<"No\n";
                goto z;
            }
            if(vis[qu[j].first]==i+1){
                tree[i+1].push_back(j+1);
                deg[j+1]++;
            }else if(vis[qu[j].second]==i+1){
                tree[j+1].push_back(i+1);
                deg[i+1]++;
            }
        }
    }
    int cnt = 0;queue<int> qe;
    for(int i = 1;i<=q;i++){
        if(deg[i]==0){
            qe.push(i);
        }
    }
    bool ss = 1;
    while(!qe.empty()){
        int x = qe.front();qe.pop();
        cnt++;
        for(auto j:tree[x]){
            deg[j]--;
            if(deg[j]<0){
                ss = 0;break;
            }
            if(deg[j]==0){
                qe.push(j);
            }
        }
        if(ss==0)break;
    }
    if(cnt==q&&ss)cout<<"Yes\n";
    else cout<<"No\n";
}
}
return 0;
}

Compilation message

jail.cpp: In function 'int main()':
jail.cpp:64:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   64 |     for(int i = 0;i<qu.size();i++){
      |                   ~^~~~~~~~~~
jail.cpp:72:24: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   72 |         for(int j = 0;j<qu.size();j++){
      |                       ~^~~~~~~~~~

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 4700 KB Output is correct
2 Correct 1 ms 4700 KB Output is correct
3 Correct 1 ms 4700 KB Output is correct
4 Correct 6 ms 4696 KB Output is correct
5 Correct 12 ms 4700 KB Output is correct
6 Correct 2 ms 4700 KB Output is correct
7 Correct 1 ms 4700 KB Output is correct
8 Correct 2 ms 4696 KB Output is correct
9 Correct 16 ms 4956 KB Output is correct
10 Correct 24 ms 11100 KB Output is correct
11 Correct 4 ms 4700 KB Output is correct
12 Correct 20 ms 4700 KB Output is correct
13 Correct 45 ms 15236 KB Output is correct
14 Correct 37 ms 14932 KB Output is correct
15 Correct 41 ms 15076 KB Output is correct
16 Correct 77 ms 20564 KB Output is correct
17 Correct 45 ms 16196 KB Output is correct
18 Correct 66 ms 20448 KB Output is correct
19 Correct 48 ms 15872 KB Output is correct
20 Correct 43 ms 15956 KB Output is correct
21 Correct 42 ms 15964 KB Output is correct
22 Correct 41 ms 15956 KB Output is correct

Subtask #2
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 4856 KB Output is correct
2 Correct 1 ms 4696 KB Output is correct
3 Correct 1 ms 4700 KB Output is correct
4 Correct 1 ms 4700 KB Output is correct
5 Correct 2 ms 4696 KB Output is correct
6 Correct 2 ms 4700 KB Output is correct
7 Correct 1 ms 4700 KB Output is correct
8 Correct 1 ms 4696 KB Output is correct
9 Correct 1 ms 4700 KB Output is correct
10 Correct 2 ms 4700 KB Output is correct
11 Correct 1 ms 4700 KB Output is correct
12 Correct 1 ms 4700 KB Output is correct
13 Correct 2 ms 4696 KB Output is correct

Subtask #3
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 4856 KB Output is correct
2 Correct 1 ms 4696 KB Output is correct
3 Correct 1 ms 4700 KB Output is correct
4 Correct 1 ms 4700 KB Output is correct
5 Correct 2 ms 4696 KB Output is correct
6 Correct 2 ms 4700 KB Output is correct
7 Correct 1 ms 4700 KB Output is correct
8 Correct 1 ms 4696 KB Output is correct
9 Correct 1 ms 4700 KB Output is correct
10 Correct 2 ms 4700 KB Output is correct
11 Correct 1 ms 4700 KB Output is correct
12 Correct 1 ms 4700 KB Output is correct
13 Correct 2 ms 4696 KB Output is correct
14 Correct 1 ms 4696 KB Output is correct
15 Correct 1 ms 4700 KB Output is correct
16 Correct 1 ms 4700 KB Output is correct
17 Correct 1 ms 4700 KB Output is correct
18 Correct 2 ms 4700 KB Output is correct
19 Correct 1 ms 4700 KB Output is correct
20 Correct 2 ms 4696 KB Output is correct
21 Correct 2 ms 4700 KB Output is correct
22 Correct 1 ms 4700 KB Output is correct
23 Correct 1 ms 4700 KB Output is correct
24 Correct 1 ms 4700 KB Output is correct
25 Correct 2 ms 4728 KB Output is correct
26 Correct 1 ms 4700 KB Output is correct
27 Correct 1 ms 4700 KB Output is correct
28 Correct 1 ms 4700 KB Output is correct

Subtask #4
28.0 / 28.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 4856 KB Output is correct
2 Correct 1 ms 4696 KB Output is correct
3 Correct 1 ms 4700 KB Output is correct
4 Correct 1 ms 4700 KB Output is correct
5 Correct 2 ms 4696 KB Output is correct
6 Correct 2 ms 4700 KB Output is correct
7 Correct 1 ms 4700 KB Output is correct
8 Correct 1 ms 4696 KB Output is correct
9 Correct 1 ms 4700 KB Output is correct
10 Correct 2 ms 4700 KB Output is correct
11 Correct 1 ms 4700 KB Output is correct
12 Correct 1 ms 4700 KB Output is correct
13 Correct 2 ms 4696 KB Output is correct
14 Correct 1 ms 4696 KB Output is correct
15 Correct 1 ms 4700 KB Output is correct
16 Correct 1 ms 4700 KB Output is correct
17 Correct 1 ms 4700 KB Output is correct
18 Correct 2 ms 4700 KB Output is correct
19 Correct 1 ms 4700 KB Output is correct
20 Correct 2 ms 4696 KB Output is correct
21 Correct 2 ms 4700 KB Output is correct
22 Correct 1 ms 4700 KB Output is correct
23 Correct 1 ms 4700 KB Output is correct
24 Correct 1 ms 4700 KB Output is correct
25 Correct 2 ms 4728 KB Output is correct
26 Correct 1 ms 4700 KB Output is correct
27 Correct 1 ms 4700 KB Output is correct
28 Correct 1 ms 4700 KB Output is correct
29 Correct 2 ms 4700 KB Output is correct
30 Correct 2 ms 4700 KB Output is correct
31 Correct 2 ms 4700 KB Output is correct
32 Correct 2 ms 4700 KB Output is correct
33 Correct 2 ms 4700 KB Output is correct
34 Correct 2 ms 4700 KB Output is correct
35 Correct 2 ms 4700 KB Output is correct
36 Correct 2 ms 4700 KB Output is correct
37 Correct 2 ms 4700 KB Output is correct

Subtask #5
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 4856 KB Output is correct
2 Correct 1 ms 4696 KB Output is correct
3 Correct 1 ms 4700 KB Output is correct
4 Correct 1 ms 4700 KB Output is correct
5 Correct 2 ms 4696 KB Output is correct
6 Correct 2 ms 4700 KB Output is correct
7 Correct 1 ms 4700 KB Output is correct
8 Correct 1 ms 4696 KB Output is correct
9 Correct 1 ms 4700 KB Output is correct
10 Correct 2 ms 4700 KB Output is correct
11 Correct 1 ms 4700 KB Output is correct
12 Correct 1 ms 4700 KB Output is correct
13 Correct 2 ms 4696 KB Output is correct
14 Correct 1 ms 4696 KB Output is correct
15 Correct 1 ms 4700 KB Output is correct
16 Correct 1 ms 4700 KB Output is correct
17 Correct 1 ms 4700 KB Output is correct
18 Correct 2 ms 4700 KB Output is correct
19 Correct 1 ms 4700 KB Output is correct
20 Correct 2 ms 4696 KB Output is correct
21 Correct 2 ms 4700 KB Output is correct
22 Correct 1 ms 4700 KB Output is correct
23 Correct 1 ms 4700 KB Output is correct
24 Correct 1 ms 4700 KB Output is correct
25 Correct 2 ms 4728 KB Output is correct
26 Correct 1 ms 4700 KB Output is correct
27 Correct 1 ms 4700 KB Output is correct
28 Correct 1 ms 4700 KB Output is correct
29 Correct 2 ms 4700 KB Output is correct
30 Correct 2 ms 4700 KB Output is correct
31 Correct 2 ms 4700 KB Output is correct
32 Correct 2 ms 4700 KB Output is correct
33 Correct 2 ms 4700 KB Output is correct
34 Correct 2 ms 4700 KB Output is correct
35 Correct 2 ms 4700 KB Output is correct
36 Correct 2 ms 4700 KB Output is correct
37 Correct 2 ms 4700 KB Output is correct
38 Correct 16 ms 4952 KB Output is correct
39 Correct 25 ms 11088 KB Output is correct
40 Correct 22 ms 4956 KB Output is correct
41 Correct 24 ms 4960 KB Output is correct
42 Correct 19 ms 5280 KB Output is correct
43 Correct 18 ms 4956 KB Output is correct
44 Correct 9 ms 4864 KB Output is correct
45 Correct 28 ms 8440 KB Output is correct
46 Correct 30 ms 8484 KB Output is correct
47 Correct 52 ms 11408 KB Output is correct
48 Correct 51 ms 11092 KB Output is correct
49 Correct 26 ms 8532 KB Output is correct
50 Correct 29 ms 8620 KB Output is correct
51 Correct 25 ms 9220 KB Output is correct
52 Correct 25 ms 9412 KB Output is correct
53 Correct 12 ms 5016 KB Output is correct
54 Correct 28 ms 8276 KB Output is correct

Subtask #6
0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 4700 KB Output is correct
2 Correct 1 ms 4700 KB Output is correct
3 Correct 1 ms 4696 KB Output is correct
4 Correct 2 ms 4700 KB Output is correct
5 Correct 4 ms 4700 KB Output is correct
6 Correct 1 ms 4700 KB Output is correct
7 Correct 1 ms 4700 KB Output is correct
8 Correct 2 ms 4700 KB Output is correct
9 Correct 1 ms 4700 KB Output is correct
10 Correct 1 ms 4952 KB Output is correct
11 Correct 1 ms 4700 KB Output is correct
12 Correct 2 ms 4700 KB Output is correct
13 Correct 12 ms 4700 KB Output is correct
14 Correct 18 ms 4700 KB Output is correct
15 Correct 15 ms 4696 KB Output is correct
16 Runtime error 51 ms 17560 KB Execution killed with signal 11
17 Halted 0 ms 0 KB -

Subtask #7
0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 4700 KB Output is correct
2 Correct 1 ms 4700 KB Output is correct
3 Correct 1 ms 4700 KB Output is correct
4 Correct 6 ms 4696 KB Output is correct
5 Correct 12 ms 4700 KB Output is correct
6 Correct 2 ms 4700 KB Output is correct
7 Correct 1 ms 4700 KB Output is correct
8 Correct 2 ms 4696 KB Output is correct
9 Correct 16 ms 4956 KB Output is correct
10 Correct 24 ms 11100 KB Output is correct
11 Correct 4 ms 4700 KB Output is correct
12 Correct 20 ms 4700 KB Output is correct
13 Correct 45 ms 15236 KB Output is correct
14 Correct 37 ms 14932 KB Output is correct
15 Correct 41 ms 15076 KB Output is correct
16 Correct 77 ms 20564 KB Output is correct
17 Correct 45 ms 16196 KB Output is correct
18 Correct 66 ms 20448 KB Output is correct
19 Correct 48 ms 15872 KB Output is correct
20 Correct 43 ms 15956 KB Output is correct
21 Correct 42 ms 15964 KB Output is correct
22 Correct 41 ms 15956 KB Output is correct
23 Correct 1 ms 4856 KB Output is correct
24 Correct 1 ms 4696 KB Output is correct
25 Correct 1 ms 4700 KB Output is correct
26 Correct 1 ms 4700 KB Output is correct
27 Correct 2 ms 4696 KB Output is correct
28 Correct 2 ms 4700 KB Output is correct
29 Correct 1 ms 4700 KB Output is correct
30 Correct 1 ms 4696 KB Output is correct
31 Correct 1 ms 4700 KB Output is correct
32 Correct 2 ms 4700 KB Output is correct
33 Correct 1 ms 4700 KB Output is correct
34 Correct 1 ms 4700 KB Output is correct
35 Correct 2 ms 4696 KB Output is correct
36 Correct 1 ms 4696 KB Output is correct
37 Correct 1 ms 4700 KB Output is correct
38 Correct 1 ms 4700 KB Output is correct
39 Correct 1 ms 4700 KB Output is correct
40 Correct 2 ms 4700 KB Output is correct
41 Correct 1 ms 4700 KB Output is correct
42 Correct 2 ms 4696 KB Output is correct
43 Correct 2 ms 4700 KB Output is correct
44 Correct 1 ms 4700 KB Output is correct
45 Correct 1 ms 4700 KB Output is correct
46 Correct 1 ms 4700 KB Output is correct
47 Correct 2 ms 4728 KB Output is correct
48 Correct 1 ms 4700 KB Output is correct
49 Correct 1 ms 4700 KB Output is correct
50 Correct 1 ms 4700 KB Output is correct
51 Correct 2 ms 4700 KB Output is correct
52 Correct 2 ms 4700 KB Output is correct
53 Correct 2 ms 4700 KB Output is correct
54 Correct 2 ms 4700 KB Output is correct
55 Correct 2 ms 4700 KB Output is correct
56 Correct 2 ms 4700 KB Output is correct
57 Correct 2 ms 4700 KB Output is correct
58 Correct 2 ms 4700 KB Output is correct
59 Correct 2 ms 4700 KB Output is correct
60 Correct 16 ms 4952 KB Output is correct
61 Correct 25 ms 11088 KB Output is correct
62 Correct 22 ms 4956 KB Output is correct
63 Correct 24 ms 4960 KB Output is correct
64 Correct 19 ms 5280 KB Output is correct
65 Correct 18 ms 4956 KB Output is correct
66 Correct 9 ms 4864 KB Output is correct
67 Correct 28 ms 8440 KB Output is correct
68 Correct 30 ms 8484 KB Output is correct
69 Correct 52 ms 11408 KB Output is correct
70 Correct 51 ms 11092 KB Output is correct
71 Correct 26 ms 8532 KB Output is correct
72 Correct 29 ms 8620 KB Output is correct
73 Correct 25 ms 9220 KB Output is correct
74 Correct 25 ms 9412 KB Output is correct
75 Correct 12 ms 5016 KB Output is correct
76 Correct 28 ms 8276 KB Output is correct
77 Correct 1 ms 4700 KB Output is correct
78 Correct 1 ms 4700 KB Output is correct
79 Correct 1 ms 4696 KB Output is correct
80 Correct 2 ms 4700 KB Output is correct
81 Correct 4 ms 4700 KB Output is correct
82 Correct 1 ms 4700 KB Output is correct
83 Correct 1 ms 4700 KB Output is correct
84 Correct 2 ms 4700 KB Output is correct
85 Correct 1 ms 4700 KB Output is correct
86 Correct 1 ms 4952 KB Output is correct
87 Correct 1 ms 4700 KB Output is correct
88 Correct 2 ms 4700 KB Output is correct
89 Correct 12 ms 4700 KB Output is correct
90 Correct 18 ms 4700 KB Output is correct
91 Correct 15 ms 4696 KB Output is correct
92 Runtime error 51 ms 17560 KB Execution killed with signal 11
93 Halted 0 ms 0 KB -