oj.uz

Submission #1055821

# Submission time Handle Problem Language Result Execution time Memory
1055821 2024-08-13T05:50:28 Z hotboy2703 Meetings (JOI19_meetings) C++17
100 / 100
 390 ms 1148 KB 
#include "meetings.h"

#include<bits/stdc++.h>
using ll = long long;
using namespace std;
#define pll pair <ll,ll>
#define fi first
#define se second
#define MP make_pair
#define sz(a) (ll((a).size()))
#define BIT(mask,i) (((mask) >> (i))&1)
#define MASK(i) (1LL << (i))
const ll MAXN = 2010;
mt19937_64 rng(69420);
ll random(ll l,ll r){
    return rng()%(r-l+1)+l;
}
vector <ll> sub[MAXN];
ll lose[MAXN];
void dfs(ll u){
    sort(sub[u].begin(),sub[u].end(),[](ll x,ll y){return lose[x]<lose[y];});
    for (auto v:sub[u]){
        if (lose[v] == lose[sub[u][0]]){
            // cout<<"BR "<<u<<' '<<v<<endl;
            Bridge(min(u,v),max(u,v));
            dfs(v);
        }
        else break;
    }
}
void solve(vector <ll> all){
    if (sz(all)<2)return;
    sort(all.begin(),all.end());
    ll x = all[random(0,sz(all)-1)];
    ll y = x;
    while (y==x)y=all[random(0,sz(all)-1)];
    map <ll,vector <ll> > mp;
    for (auto z:all){
        if (z!=x&&z!=y){
            ll tmp = Query(x,y,z);
            mp[tmp].push_back(z);
        }
    }
    vector <ll> path;
    path.push_back(x);
    path.push_back(y);
    for (auto z:mp)if (z.fi != x && z.fi != y){
        path.push_back(z.fi);
    }
    stable_sort(path.begin(),path.end(),[&](ll a1,ll a2)->bool{
        if (a1==x)return 1;
        if (a2==x)return 0;
        return Query(x,a1,a2)==a1;
    });
    for (ll j = 0;j + 1 < sz(path);j ++){
        // cout<<path[j]<<' '<<path[j+1]<<'\n';
        Bridge(min(path[j],path[j+1]),max(path[j],path[j+1]));
    }
    for (auto z:mp){
        vector <ll> tmp = z.se;
        tmp.push_back(z.fi);
        sort(tmp.begin(),tmp.end());
        tmp.resize(unique(tmp.begin(),tmp.end())-tmp.begin());
        solve(tmp);
    }
}
void Solve(int n) {
    vector <ll> all(n);
    iota(all.begin(),all.end(),0);
    solve(all);
}

Subtask #1
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 344 KB Output is correct
3 Correct 0 ms 344 KB Output is correct
4 Correct 0 ms 344 KB Output is correct
5 Correct 0 ms 344 KB Output is correct
6 Correct 0 ms 344 KB Output is correct
7 Correct 0 ms 344 KB Output is correct
8 Correct 0 ms 344 KB Output is correct
9 Correct 0 ms 344 KB Output is correct
10 Correct 0 ms 344 KB Output is correct
11 Correct 0 ms 344 KB Output is correct
12 Correct 0 ms 344 KB Output is correct
13 Correct 1 ms 344 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 344 KB Output is correct
3 Correct 0 ms 344 KB Output is correct
4 Correct 0 ms 344 KB Output is correct
5 Correct 0 ms 344 KB Output is correct
6 Correct 0 ms 344 KB Output is correct
7 Correct 0 ms 344 KB Output is correct
8 Correct 0 ms 344 KB Output is correct
9 Correct 0 ms 344 KB Output is correct
10 Correct 0 ms 344 KB Output is correct
11 Correct 0 ms 344 KB Output is correct
12 Correct 0 ms 344 KB Output is correct
13 Correct 1 ms 344 KB Output is correct
14 Correct 1 ms 344 KB Output is correct
15 Correct 1 ms 344 KB Output is correct
16 Correct 0 ms 344 KB Output is correct
17 Correct 1 ms 344 KB Output is correct
18 Correct 0 ms 344 KB Output is correct
19 Correct 1 ms 344 KB Output is correct
20 Correct 0 ms 344 KB Output is correct
21 Correct 0 ms 344 KB Output is correct
22 Correct 1 ms 344 KB Output is correct
23 Correct 0 ms 344 KB Output is correct
24 Correct 0 ms 344 KB Output is correct
25 Correct 0 ms 376 KB Output is correct
26 Correct 0 ms 344 KB Output is correct

Subtask #3
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 344 KB Output is correct
3 Correct 0 ms 344 KB Output is correct
4 Correct 0 ms 344 KB Output is correct
5 Correct 0 ms 344 KB Output is correct
6 Correct 0 ms 344 KB Output is correct
7 Correct 0 ms 344 KB Output is correct
8 Correct 0 ms 344 KB Output is correct
9 Correct 0 ms 344 KB Output is correct
10 Correct 0 ms 344 KB Output is correct
11 Correct 0 ms 344 KB Output is correct
12 Correct 0 ms 344 KB Output is correct
13 Correct 1 ms 344 KB Output is correct
14 Correct 1 ms 344 KB Output is correct
15 Correct 1 ms 344 KB Output is correct
16 Correct 0 ms 344 KB Output is correct
17 Correct 1 ms 344 KB Output is correct
18 Correct 0 ms 344 KB Output is correct
19 Correct 1 ms 344 KB Output is correct
20 Correct 0 ms 344 KB Output is correct
21 Correct 0 ms 344 KB Output is correct
22 Correct 1 ms 344 KB Output is correct
23 Correct 0 ms 344 KB Output is correct
24 Correct 0 ms 344 KB Output is correct
25 Correct 0 ms 376 KB Output is correct
26 Correct 0 ms 344 KB Output is correct
27 Correct 3 ms 596 KB Output is correct
28 Correct 2 ms 576 KB Output is correct
29 Correct 3 ms 344 KB Output is correct
30 Correct 2 ms 600 KB Output is correct
31 Correct 2 ms 344 KB Output is correct
32 Correct 2 ms 600 KB Output is correct
33 Correct 3 ms 600 KB Output is correct
34 Correct 4 ms 596 KB Output is correct
35 Correct 4 ms 600 KB Output is correct
36 Correct 2 ms 344 KB Output is correct
37 Correct 5 ms 600 KB Output is correct
38 Correct 6 ms 600 KB Output is correct
39 Correct 3 ms 624 KB Output is correct

Subtask #4
71.0 / 71.0

# Verdict Execution time Memory Grader output
1 Correct 156 ms 848 KB Output is correct
2 Correct 155 ms 852 KB Output is correct
3 Correct 158 ms 848 KB Output is correct
4 Correct 170 ms 1004 KB Output is correct
5 Correct 127 ms 600 KB Output is correct
6 Correct 119 ms 848 KB Output is correct
7 Correct 199 ms 848 KB Output is correct
8 Correct 261 ms 848 KB Output is correct
9 Correct 269 ms 848 KB Output is correct
10 Correct 246 ms 1104 KB Output is correct
11 Correct 268 ms 1052 KB Output is correct
12 Correct 109 ms 848 KB Output is correct
13 Correct 86 ms 1148 KB Output is correct
14 Correct 143 ms 848 KB Output is correct
15 Correct 150 ms 912 KB Output is correct
16 Correct 123 ms 788 KB Output is correct
17 Correct 221 ms 852 KB Output is correct
18 Correct 125 ms 876 KB Output is correct
19 Correct 119 ms 756 KB Output is correct
20 Correct 121 ms 848 KB Output is correct
21 Correct 156 ms 1008 KB Output is correct
22 Correct 145 ms 848 KB Output is correct
23 Correct 144 ms 840 KB Output is correct
24 Correct 142 ms 772 KB Output is correct
25 Correct 114 ms 848 KB Output is correct
26 Correct 112 ms 856 KB Output is correct
27 Correct 114 ms 816 KB Output is correct
28 Correct 296 ms 804 KB Output is correct
29 Correct 180 ms 944 KB Output is correct
30 Correct 206 ms 848 KB Output is correct
31 Correct 216 ms 848 KB Output is correct
32 Correct 390 ms 1104 KB Output is correct
33 Correct 171 ms 964 KB Output is correct
34 Correct 3 ms 600 KB Output is correct
35 Correct 3 ms 600 KB Output is correct
36 Correct 2 ms 344 KB Output is correct
37 Correct 2 ms 600 KB Output is correct
38 Correct 2 ms 344 KB Output is correct
39 Correct 2 ms 600 KB Output is correct
40 Correct 3 ms 600 KB Output is correct
41 Correct 4 ms 600 KB Output is correct
42 Correct 4 ms 612 KB Output is correct
43 Correct 2 ms 564 KB Output is correct
44 Correct 6 ms 608 KB Output is correct
45 Correct 6 ms 596 KB Output is correct
46 Correct 3 ms 608 KB Output is correct
47 Correct 0 ms 344 KB Output is correct
48 Correct 0 ms 344 KB Output is correct
49 Correct 0 ms 344 KB Output is correct
50 Correct 1 ms 344 KB Output is correct
51 Correct 1 ms 344 KB Output is correct
52 Correct 0 ms 344 KB Output is correct
53 Correct 0 ms 344 KB Output is correct
54 Correct 0 ms 344 KB Output is correct
55 Correct 0 ms 344 KB Output is correct
56 Correct 0 ms 344 KB Output is correct
57 Correct 0 ms 344 KB Output is correct
58 Correct 0 ms 344 KB Output is correct
59 Correct 0 ms 344 KB Output is correct
60 Correct 0 ms 344 KB Output is correct
61 Correct 0 ms 344 KB Output is correct
62 Correct 0 ms 344 KB Output is correct
63 Correct 0 ms 344 KB Output is correct
64 Correct 0 ms 344 KB Output is correct
65 Correct 0 ms 344 KB Output is correct
66 Correct 0 ms 344 KB Output is correct
67 Correct 0 ms 344 KB Output is correct
68 Correct 0 ms 384 KB Output is correct
69 Correct 0 ms 344 KB Output is correct
70 Correct 0 ms 344 KB Output is correct
71 Correct 0 ms 344 KB Output is correct
72 Correct 0 ms 344 KB Output is correct