oj.uz

Submission #1013110

# Submission time Handle Problem Language Result Execution time Memory
1013110 2024-07-03T07:57:51 Z ReLice Jail (JOI22_jail) C++17
66 / 100
 5000 ms 65732 KB 
#include <bits/stdc++.h>
#define ll long long
#define str string
#define ins insert
#define ld long double
#define pb push_back
#define pf push_front
#define pof pop_front()
#define pob pop_back()
#define lb lower_bound
#define ub upper_bound
#define endl "\n"
#define fr first
#define sc second
#define all(x) x.begin(),x.end()
#define rall(x) x.rbegin(),x.rend()
#define sz size()
#define vll vector<ll>
#define bc back()
#define arr array
#define pll vector<pair<ll,ll>>
using namespace std;/*
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
using namespace __gnu_pbds;
#define ordered_set tree<ll, null_type,less_equal<ll>, rb_tree_tag,tree_order_statistics_node_update>*/
template<class S,class T>
bool chmin(S &a,const T &b) {
	return a>b?(a=b)==b:false;
}
template<class S,class T>
bool chmax(S &a,const T &b) {
	return a<b?(a=b)==b:false;
}
//void fre(string s){freopen((s+".in").c_str(),"r",stdin);freopen((s+".out").c_str(),"w",stdout);}
void start(){
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    cout.tie(0);
}
const ll inf=1e18;
const ll mod=998244353;
const ll N=2e5+7;
const ld eps=1e-9;
vector<vll> g(N);
vector<set<ll>> g2(N);
ll vis[N];
ll up[N][20],d[N];
bool flag;
void dfs(ll v){
    for(ll i=1;i<20;i++) up[v][i]=up[up[v][i-1]][i-1];
    for(auto i : g[v]){
        if(i==up[v][0])continue;
        up[i][0]=v;
        d[i]=d[v]+1;
        dfs(i);
    }
}
ll lca(ll a,ll b){
    if(d[a]<d[b])swap(a,b);
    for(ll i=19;i>=0;i--){
        if(d[a]-d[b]>=(1ll<<i)){
            a=up[a][i];
        }
    }
    if(a==b)return a;
    for(ll i=19;i>=0;i--){
        if(d[a]>(1ll<<i) && up[a][i]!=up[b][i]){
            a=up[a][i];
            b=up[b][i];
        }
    }
    return up[a][0];
}
bool on_path(ll a,ll b,ll x){
    ll k=lca(a,x),l=lca(b,x);
    ll lc=lca(a,b);
    if((k==x && l==lc) || (k==lc && l==x))return true;
    return false;
}
bool f[N];
void check(ll v){
    f[v]=1;
    vis[v]=1;
    if(flag)return;
    for(auto i : g2[v]){
        if(f[i])flag=true;
        else if(vis[i])continue;
        if(flag){f[v]=0;return;}
        check(i);

    }
    f[v]=0;
}
str solve(){
    ll i,j;
    ll n;
    cin>>n;
    flag=0;
    for(i=0;i<=n;i++){
        g[i].clear();
        vis[i]=0;
        for(j=0;j<20;j++)up[i][j]=0;
    }
    ll a,b;
    bool bamboo=1;
    for(i=1;i<n;i++){
        cin>>a>>b;
        g[a].pb(b);
        g[b].pb(a);
        if(a+1!=b)bamboo=false;
    }
    d[i]=1;
    dfs(1);
    ll m;
    cin>>m;
    for(i=1;i<=m;i++)g2[i].clear();
    vector<pair<ll,ll> > v(1);
    vector<vll> v2(n+5);
    for(i=0;i<m;i++){
        cin>>a>>b;
        v.pb({a,b});
        v2[a].pb(i+1);
        v2[b].pb(i+1);
    }
    if(bamboo){
        bool f=0;
        deque<ll> dq;
        map<ll,ll> mp;
        for(i=1;i<=n;i++){
            if(v2[i].sz>1){
                if(mp[v2[i][0]]==mp[v2[i][1]]) return "No";
                if(mp[v2[i][1]]) swap(v2[i][0],v2[i][1]);
                if(dq[0]!=v2[i][0])return "No";
                dq.pof;
                dq.pb(v2[i][1]);
                mp[dq.bc]++;
            }
            else if(v2[i].sz){
                ll a=v2[i][0];
                if(mp[a]){
                    if(dq[0]!=a) return "No";
                    dq.pof;
                }else {
                    if(!dq.sz)f=(v[a].fr<v[a].sc);
                    else if(f!=(v[a].fr<v[a].sc))return "No";
                    dq.pb(a);
                    mp[a]++;
                }
            }
        }
        return "Yes";
    }
    for(i=1;i<=m;i++){
        for(j=1;j<=m;j++){
            if(i==j) continue;
            bool s=on_path(v[i].fr,v[i].sc,v[j].fr),t=on_path(v[i].fr,v[i].sc,v[j].sc);
            if(s)g2[j].ins(i);
            if(t)g2[i].ins(j);
        }
    }
    for(i=1;i<=m;i++){
        if(!vis[i]){
            check(i);
            if(flag)return "No";
        }
    }
    return "Yes";
}
signed main(){
    start();
    ll t=1;
    cin>>t;
    while(t--) cout<<solve()<<endl;
    return 0;
}
/*
1
8
1 2
2 3
3 4
4 5
5 6
6 7
7 8
4
1 5
2 6
3 7
4 8




*/

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 16472 KB Output is correct
2 Correct 3 ms 16472 KB Output is correct
3 Correct 3 ms 16476 KB Output is correct
4 Correct 11 ms 16476 KB Output is correct
5 Correct 25 ms 17156 KB Output is correct
6 Correct 4 ms 16476 KB Output is correct
7 Correct 4 ms 16476 KB Output is correct
8 Correct 5 ms 16560 KB Output is correct
9 Correct 25 ms 20636 KB Output is correct
10 Correct 45 ms 51288 KB Output is correct
11 Correct 7 ms 16728 KB Output is correct
12 Correct 28 ms 17500 KB Output is correct
13 Correct 66 ms 58820 KB Output is correct
14 Correct 52 ms 55936 KB Output is correct
15 Correct 58 ms 55052 KB Output is correct
16 Correct 68 ms 58304 KB Output is correct
17 Correct 83 ms 60848 KB Output is correct
18 Correct 112 ms 65732 KB Output is correct
19 Correct 64 ms 60540 KB Output is correct
20 Correct 57 ms 58212 KB Output is correct
21 Correct 69 ms 56772 KB Output is correct
22 Correct 56 ms 56776 KB Output is correct

Subtask #2
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 16476 KB Output is correct
2 Correct 3 ms 16476 KB Output is correct
3 Correct 4 ms 16476 KB Output is correct
4 Correct 4 ms 16476 KB Output is correct
5 Correct 4 ms 16476 KB Output is correct
6 Correct 4 ms 16476 KB Output is correct
7 Correct 4 ms 16628 KB Output is correct
8 Correct 4 ms 14684 KB Output is correct
9 Correct 7 ms 16476 KB Output is correct
10 Correct 4 ms 16472 KB Output is correct
11 Correct 4 ms 16476 KB Output is correct
12 Correct 4 ms 16476 KB Output is correct
13 Correct 4 ms 16624 KB Output is correct

Subtask #3
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 16476 KB Output is correct
2 Correct 3 ms 16476 KB Output is correct
3 Correct 4 ms 16476 KB Output is correct
4 Correct 4 ms 16476 KB Output is correct
5 Correct 4 ms 16476 KB Output is correct
6 Correct 4 ms 16476 KB Output is correct
7 Correct 4 ms 16628 KB Output is correct
8 Correct 4 ms 14684 KB Output is correct
9 Correct 7 ms 16476 KB Output is correct
10 Correct 4 ms 16472 KB Output is correct
11 Correct 4 ms 16476 KB Output is correct
12 Correct 4 ms 16476 KB Output is correct
13 Correct 4 ms 16624 KB Output is correct
14 Correct 4 ms 16476 KB Output is correct
15 Correct 3 ms 16476 KB Output is correct
16 Correct 4 ms 16628 KB Output is correct
17 Correct 4 ms 16476 KB Output is correct
18 Correct 4 ms 16476 KB Output is correct
19 Correct 3 ms 16476 KB Output is correct
20 Correct 4 ms 16476 KB Output is correct
21 Correct 5 ms 16476 KB Output is correct
22 Correct 4 ms 16476 KB Output is correct
23 Correct 4 ms 16476 KB Output is correct
24 Correct 4 ms 16472 KB Output is correct
25 Correct 6 ms 14680 KB Output is correct
26 Correct 4 ms 16476 KB Output is correct
27 Correct 4 ms 14684 KB Output is correct
28 Correct 4 ms 16608 KB Output is correct

Subtask #4
28.0 / 28.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 16476 KB Output is correct
2 Correct 3 ms 16476 KB Output is correct
3 Correct 4 ms 16476 KB Output is correct
4 Correct 4 ms 16476 KB Output is correct
5 Correct 4 ms 16476 KB Output is correct
6 Correct 4 ms 16476 KB Output is correct
7 Correct 4 ms 16628 KB Output is correct
8 Correct 4 ms 14684 KB Output is correct
9 Correct 7 ms 16476 KB Output is correct
10 Correct 4 ms 16472 KB Output is correct
11 Correct 4 ms 16476 KB Output is correct
12 Correct 4 ms 16476 KB Output is correct
13 Correct 4 ms 16624 KB Output is correct
14 Correct 4 ms 16476 KB Output is correct
15 Correct 3 ms 16476 KB Output is correct
16 Correct 4 ms 16628 KB Output is correct
17 Correct 4 ms 16476 KB Output is correct
18 Correct 4 ms 16476 KB Output is correct
19 Correct 3 ms 16476 KB Output is correct
20 Correct 4 ms 16476 KB Output is correct
21 Correct 5 ms 16476 KB Output is correct
22 Correct 4 ms 16476 KB Output is correct
23 Correct 4 ms 16476 KB Output is correct
24 Correct 4 ms 16472 KB Output is correct
25 Correct 6 ms 14680 KB Output is correct
26 Correct 4 ms 16476 KB Output is correct
27 Correct 4 ms 14684 KB Output is correct
28 Correct 4 ms 16608 KB Output is correct
29 Correct 4 ms 14680 KB Output is correct
30 Correct 27 ms 16732 KB Output is correct
31 Correct 29 ms 14804 KB Output is correct
32 Correct 22 ms 16472 KB Output is correct
33 Correct 8 ms 16724 KB Output is correct
34 Correct 52 ms 16736 KB Output is correct
35 Correct 67 ms 16876 KB Output is correct
36 Correct 41 ms 16692 KB Output is correct
37 Correct 28 ms 16476 KB Output is correct

Subtask #5
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 16476 KB Output is correct
2 Correct 3 ms 16476 KB Output is correct
3 Correct 4 ms 16476 KB Output is correct
4 Correct 4 ms 16476 KB Output is correct
5 Correct 4 ms 16476 KB Output is correct
6 Correct 4 ms 16476 KB Output is correct
7 Correct 4 ms 16628 KB Output is correct
8 Correct 4 ms 14684 KB Output is correct
9 Correct 7 ms 16476 KB Output is correct
10 Correct 4 ms 16472 KB Output is correct
11 Correct 4 ms 16476 KB Output is correct
12 Correct 4 ms 16476 KB Output is correct
13 Correct 4 ms 16624 KB Output is correct
14 Correct 4 ms 16476 KB Output is correct
15 Correct 3 ms 16476 KB Output is correct
16 Correct 4 ms 16628 KB Output is correct
17 Correct 4 ms 16476 KB Output is correct
18 Correct 4 ms 16476 KB Output is correct
19 Correct 3 ms 16476 KB Output is correct
20 Correct 4 ms 16476 KB Output is correct
21 Correct 5 ms 16476 KB Output is correct
22 Correct 4 ms 16476 KB Output is correct
23 Correct 4 ms 16476 KB Output is correct
24 Correct 4 ms 16472 KB Output is correct
25 Correct 6 ms 14680 KB Output is correct
26 Correct 4 ms 16476 KB Output is correct
27 Correct 4 ms 14684 KB Output is correct
28 Correct 4 ms 16608 KB Output is correct
29 Correct 4 ms 14680 KB Output is correct
30 Correct 27 ms 16732 KB Output is correct
31 Correct 29 ms 14804 KB Output is correct
32 Correct 22 ms 16472 KB Output is correct
33 Correct 8 ms 16724 KB Output is correct
34 Correct 52 ms 16736 KB Output is correct
35 Correct 67 ms 16876 KB Output is correct
36 Correct 41 ms 16692 KB Output is correct
37 Correct 28 ms 16476 KB Output is correct
38 Correct 25 ms 20644 KB Output is correct
39 Correct 52 ms 51392 KB Output is correct
40 Correct 1725 ms 23804 KB Output is correct
41 Correct 1271 ms 20228 KB Output is correct
42 Correct 1266 ms 23600 KB Output is correct
43 Correct 42 ms 20608 KB Output is correct
44 Correct 1152 ms 17236 KB Output is correct
45 Correct 153 ms 44500 KB Output is correct
46 Correct 152 ms 44372 KB Output is correct
47 Correct 270 ms 47952 KB Output is correct
48 Correct 250 ms 48124 KB Output is correct
49 Correct 197 ms 44624 KB Output is correct
50 Correct 195 ms 44648 KB Output is correct
51 Correct 70 ms 45648 KB Output is correct
52 Correct 72 ms 45672 KB Output is correct
53 Correct 862 ms 19676 KB Output is correct
54 Correct 116 ms 45136 KB Output is correct

Subtask #6
0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 16476 KB Output is correct
2 Correct 3 ms 16472 KB Output is correct
3 Correct 3 ms 16472 KB Output is correct
4 Correct 3 ms 16476 KB Output is correct
5 Correct 8 ms 16472 KB Output is correct
6 Correct 4 ms 16476 KB Output is correct
7 Correct 4 ms 16476 KB Output is correct
8 Correct 3 ms 16476 KB Output is correct
9 Correct 3 ms 16472 KB Output is correct
10 Correct 4 ms 16476 KB Output is correct
11 Correct 4 ms 16472 KB Output is correct
12 Correct 42 ms 16696 KB Output is correct
13 Correct 448 ms 17004 KB Output is correct
14 Correct 208 ms 17236 KB Output is correct
15 Correct 331 ms 17232 KB Output is correct
16 Execution timed out 5051 ms 45776 KB Time limit exceeded
17 Halted 0 ms 0 KB -

Subtask #7
0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 16472 KB Output is correct
2 Correct 3 ms 16472 KB Output is correct
3 Correct 3 ms 16476 KB Output is correct
4 Correct 11 ms 16476 KB Output is correct
5 Correct 25 ms 17156 KB Output is correct
6 Correct 4 ms 16476 KB Output is correct
7 Correct 4 ms 16476 KB Output is correct
8 Correct 5 ms 16560 KB Output is correct
9 Correct 25 ms 20636 KB Output is correct
10 Correct 45 ms 51288 KB Output is correct
11 Correct 7 ms 16728 KB Output is correct
12 Correct 28 ms 17500 KB Output is correct
13 Correct 66 ms 58820 KB Output is correct
14 Correct 52 ms 55936 KB Output is correct
15 Correct 58 ms 55052 KB Output is correct
16 Correct 68 ms 58304 KB Output is correct
17 Correct 83 ms 60848 KB Output is correct
18 Correct 112 ms 65732 KB Output is correct
19 Correct 64 ms 60540 KB Output is correct
20 Correct 57 ms 58212 KB Output is correct
21 Correct 69 ms 56772 KB Output is correct
22 Correct 56 ms 56776 KB Output is correct
23 Correct 3 ms 16476 KB Output is correct
24 Correct 3 ms 16476 KB Output is correct
25 Correct 4 ms 16476 KB Output is correct
26 Correct 4 ms 16476 KB Output is correct
27 Correct 4 ms 16476 KB Output is correct
28 Correct 4 ms 16476 KB Output is correct
29 Correct 4 ms 16628 KB Output is correct
30 Correct 4 ms 14684 KB Output is correct
31 Correct 7 ms 16476 KB Output is correct
32 Correct 4 ms 16472 KB Output is correct
33 Correct 4 ms 16476 KB Output is correct
34 Correct 4 ms 16476 KB Output is correct
35 Correct 4 ms 16624 KB Output is correct
36 Correct 4 ms 16476 KB Output is correct
37 Correct 3 ms 16476 KB Output is correct
38 Correct 4 ms 16628 KB Output is correct
39 Correct 4 ms 16476 KB Output is correct
40 Correct 4 ms 16476 KB Output is correct
41 Correct 3 ms 16476 KB Output is correct
42 Correct 4 ms 16476 KB Output is correct
43 Correct 5 ms 16476 KB Output is correct
44 Correct 4 ms 16476 KB Output is correct
45 Correct 4 ms 16476 KB Output is correct
46 Correct 4 ms 16472 KB Output is correct
47 Correct 6 ms 14680 KB Output is correct
48 Correct 4 ms 16476 KB Output is correct
49 Correct 4 ms 14684 KB Output is correct
50 Correct 4 ms 16608 KB Output is correct
51 Correct 4 ms 14680 KB Output is correct
52 Correct 27 ms 16732 KB Output is correct
53 Correct 29 ms 14804 KB Output is correct
54 Correct 22 ms 16472 KB Output is correct
55 Correct 8 ms 16724 KB Output is correct
56 Correct 52 ms 16736 KB Output is correct
57 Correct 67 ms 16876 KB Output is correct
58 Correct 41 ms 16692 KB Output is correct
59 Correct 28 ms 16476 KB Output is correct
60 Correct 25 ms 20644 KB Output is correct
61 Correct 52 ms 51392 KB Output is correct
62 Correct 1725 ms 23804 KB Output is correct
63 Correct 1271 ms 20228 KB Output is correct
64 Correct 1266 ms 23600 KB Output is correct
65 Correct 42 ms 20608 KB Output is correct
66 Correct 1152 ms 17236 KB Output is correct
67 Correct 153 ms 44500 KB Output is correct
68 Correct 152 ms 44372 KB Output is correct
69 Correct 270 ms 47952 KB Output is correct
70 Correct 250 ms 48124 KB Output is correct
71 Correct 197 ms 44624 KB Output is correct
72 Correct 195 ms 44648 KB Output is correct
73 Correct 70 ms 45648 KB Output is correct
74 Correct 72 ms 45672 KB Output is correct
75 Correct 862 ms 19676 KB Output is correct
76 Correct 116 ms 45136 KB Output is correct
77 Correct 3 ms 16476 KB Output is correct
78 Correct 3 ms 16472 KB Output is correct
79 Correct 3 ms 16472 KB Output is correct
80 Correct 3 ms 16476 KB Output is correct
81 Correct 8 ms 16472 KB Output is correct
82 Correct 4 ms 16476 KB Output is correct
83 Correct 4 ms 16476 KB Output is correct
84 Correct 3 ms 16476 KB Output is correct
85 Correct 3 ms 16472 KB Output is correct
86 Correct 4 ms 16476 KB Output is correct
87 Correct 4 ms 16472 KB Output is correct
88 Correct 42 ms 16696 KB Output is correct
89 Correct 448 ms 17004 KB Output is correct
90 Correct 208 ms 17236 KB Output is correct
91 Correct 331 ms 17232 KB Output is correct
92 Execution timed out 5051 ms 45776 KB Time limit exceeded
93 Halted 0 ms 0 KB -