oj.uz

Submission #154951

# Submission time Handle Problem Language Result Execution time Memory
154951 2019-09-25T16:17:10 Z Mercenary Meetings (JOI19_meetings) C++14
100 / 100
 1403 ms 16848 KB 
#include "meetings.h"
#include<bits/stdc++.h>
#define pb push_back
using namespace std;

const int maxn = 2e3 + 4;
int L[maxn][maxn];

int LCA(int u , int v){
    if(u == 0 || v == 0)return 0;
    if(u == v)return u;
    if(u > v)swap(u , v);
    if(L[u][v] != -1)return L[u][v];
    return L[u][v] = Query(0 , u , v);
}

void Solve(int root , vector<int> child){
//    for(int c : child)cout << c << " ";cout << endl;
    if((int)child.size() <= 1)return;
    map<int,vector<int>> mmap;
    int u = child[rand() % child.size()];
    while(u == root)u = child[rand() % child.size()];
    vector<int> can;
    for(int c : child){
        int a = LCA(c , u);
        if(a == c)
            can.pb(c);
        mmap[a].pb(c);
    }
    sort(can.begin(),can.end(),[&](const int & x , const int & y){
            return LCA(x , y) == x;
         });
    for(int i = 0 ; i < (int)can.size() - 1 ; ++i){
        Bridge(min(can[i] , can[i + 1]) , max(can[i] , can[i + 1]));
    }
    for(auto& c : mmap)Solve(c.first , c.second);
}

void Solve(int n) {
    srand(time(0));
    memset(L,-1,sizeof L);
    vector<int> v(n);
    for(int i = 0 ; i < n ; ++i)v[i] = i;
    Solve(0 , v);
}

Subtask #1
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 16 ms 15992 KB Output is correct
2 Correct 15 ms 16120 KB Output is correct
3 Correct 15 ms 15992 KB Output is correct
4 Correct 15 ms 16120 KB Output is correct
5 Correct 16 ms 16120 KB Output is correct
6 Correct 15 ms 16120 KB Output is correct
7 Correct 15 ms 15992 KB Output is correct
8 Correct 15 ms 15996 KB Output is correct
9 Correct 16 ms 16120 KB Output is correct
10 Correct 16 ms 16120 KB Output is correct
11 Correct 15 ms 16160 KB Output is correct
12 Correct 15 ms 16040 KB Output is correct
13 Correct 16 ms 16056 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 16 ms 15992 KB Output is correct
2 Correct 15 ms 16120 KB Output is correct
3 Correct 15 ms 15992 KB Output is correct
4 Correct 15 ms 16120 KB Output is correct
5 Correct 16 ms 16120 KB Output is correct
6 Correct 15 ms 16120 KB Output is correct
7 Correct 15 ms 15992 KB Output is correct
8 Correct 15 ms 15996 KB Output is correct
9 Correct 16 ms 16120 KB Output is correct
10 Correct 16 ms 16120 KB Output is correct
11 Correct 15 ms 16160 KB Output is correct
12 Correct 15 ms 16040 KB Output is correct
13 Correct 16 ms 16056 KB Output is correct
14 Correct 15 ms 15992 KB Output is correct
15 Correct 15 ms 15992 KB Output is correct
16 Correct 15 ms 15992 KB Output is correct
17 Correct 15 ms 15992 KB Output is correct
18 Correct 16 ms 15992 KB Output is correct
19 Correct 16 ms 15992 KB Output is correct
20 Correct 16 ms 16044 KB Output is correct
21 Correct 16 ms 16120 KB Output is correct
22 Correct 16 ms 15992 KB Output is correct
23 Correct 16 ms 16120 KB Output is correct
24 Correct 15 ms 15992 KB Output is correct
25 Correct 16 ms 16120 KB Output is correct
26 Correct 15 ms 16120 KB Output is correct

Subtask #3
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 16 ms 15992 KB Output is correct
2 Correct 15 ms 16120 KB Output is correct
3 Correct 15 ms 15992 KB Output is correct
4 Correct 15 ms 16120 KB Output is correct
5 Correct 16 ms 16120 KB Output is correct
6 Correct 15 ms 16120 KB Output is correct
7 Correct 15 ms 15992 KB Output is correct
8 Correct 15 ms 15996 KB Output is correct
9 Correct 16 ms 16120 KB Output is correct
10 Correct 16 ms 16120 KB Output is correct
11 Correct 15 ms 16160 KB Output is correct
12 Correct 15 ms 16040 KB Output is correct
13 Correct 16 ms 16056 KB Output is correct
14 Correct 15 ms 15992 KB Output is correct
15 Correct 15 ms 15992 KB Output is correct
16 Correct 15 ms 15992 KB Output is correct
17 Correct 15 ms 15992 KB Output is correct
18 Correct 16 ms 15992 KB Output is correct
19 Correct 16 ms 15992 KB Output is correct
20 Correct 16 ms 16044 KB Output is correct
21 Correct 16 ms 16120 KB Output is correct
22 Correct 16 ms 15992 KB Output is correct
23 Correct 16 ms 16120 KB Output is correct
24 Correct 15 ms 15992 KB Output is correct
25 Correct 16 ms 16120 KB Output is correct
26 Correct 15 ms 16120 KB Output is correct
27 Correct 22 ms 16068 KB Output is correct
28 Correct 20 ms 16120 KB Output is correct
29 Correct 20 ms 16120 KB Output is correct
30 Correct 22 ms 16120 KB Output is correct
31 Correct 20 ms 16120 KB Output is correct
32 Correct 23 ms 16112 KB Output is correct
33 Correct 27 ms 16120 KB Output is correct
34 Correct 30 ms 16248 KB Output is correct
35 Correct 30 ms 16120 KB Output is correct
36 Correct 21 ms 16120 KB Output is correct
37 Correct 25 ms 16120 KB Output is correct
38 Correct 26 ms 16120 KB Output is correct
39 Correct 26 ms 16124 KB Output is correct

Subtask #4
71.0 / 71.0

# Verdict Execution time Memory Grader output
1 Correct 720 ms 16460 KB Output is correct
2 Correct 899 ms 16748 KB Output is correct
3 Correct 763 ms 16504 KB Output is correct
4 Correct 712 ms 16684 KB Output is correct
5 Correct 375 ms 16396 KB Output is correct
6 Correct 402 ms 16404 KB Output is correct
7 Correct 779 ms 16376 KB Output is correct
8 Correct 828 ms 16560 KB Output is correct
9 Correct 877 ms 16556 KB Output is correct
10 Correct 904 ms 16576 KB Output is correct
11 Correct 970 ms 16504 KB Output is correct
12 Correct 515 ms 16424 KB Output is correct
13 Correct 351 ms 16456 KB Output is correct
14 Correct 552 ms 16512 KB Output is correct
15 Correct 496 ms 16600 KB Output is correct
16 Correct 638 ms 16532 KB Output is correct
17 Correct 949 ms 16644 KB Output is correct
18 Correct 497 ms 16448 KB Output is correct
19 Correct 555 ms 16628 KB Output is correct
20 Correct 610 ms 16552 KB Output is correct
21 Correct 598 ms 16604 KB Output is correct
22 Correct 614 ms 16672 KB Output is correct
23 Correct 559 ms 16496 KB Output is correct
24 Correct 566 ms 16664 KB Output is correct
25 Correct 689 ms 16628 KB Output is correct
26 Correct 541 ms 16392 KB Output is correct
27 Correct 565 ms 16504 KB Output is correct
28 Correct 992 ms 16644 KB Output is correct
29 Correct 932 ms 16576 KB Output is correct
30 Correct 884 ms 16576 KB Output is correct
31 Correct 891 ms 16552 KB Output is correct
32 Correct 1403 ms 16668 KB Output is correct
33 Correct 975 ms 16848 KB Output is correct
34 Correct 21 ms 16120 KB Output is correct
35 Correct 20 ms 16120 KB Output is correct
36 Correct 22 ms 16120 KB Output is correct
37 Correct 22 ms 16120 KB Output is correct
38 Correct 20 ms 16120 KB Output is correct
39 Correct 23 ms 16120 KB Output is correct
40 Correct 27 ms 16120 KB Output is correct
41 Correct 30 ms 16120 KB Output is correct
42 Correct 29 ms 16120 KB Output is correct
43 Correct 22 ms 16092 KB Output is correct
44 Correct 26 ms 16120 KB Output is correct
45 Correct 26 ms 16136 KB Output is correct
46 Correct 26 ms 16248 KB Output is correct
47 Correct 15 ms 16120 KB Output is correct
48 Correct 15 ms 15992 KB Output is correct
49 Correct 16 ms 16120 KB Output is correct
50 Correct 15 ms 15992 KB Output is correct
51 Correct 16 ms 16120 KB Output is correct
52 Correct 16 ms 15992 KB Output is correct
53 Correct 15 ms 15992 KB Output is correct
54 Correct 16 ms 16044 KB Output is correct
55 Correct 15 ms 15992 KB Output is correct
56 Correct 15 ms 15992 KB Output is correct
57 Correct 15 ms 15992 KB Output is correct
58 Correct 15 ms 15992 KB Output is correct
59 Correct 16 ms 16028 KB Output is correct
60 Correct 15 ms 15992 KB Output is correct
61 Correct 15 ms 15996 KB Output is correct
62 Correct 15 ms 15992 KB Output is correct
63 Correct 15 ms 15980 KB Output is correct
64 Correct 15 ms 15992 KB Output is correct
65 Correct 15 ms 16120 KB Output is correct
66 Correct 15 ms 15992 KB Output is correct
67 Correct 15 ms 15992 KB Output is correct
68 Correct 15 ms 15992 KB Output is correct
69 Correct 15 ms 15992 KB Output is correct
70 Correct 15 ms 16120 KB Output is correct
71 Correct 16 ms 15992 KB Output is correct
72 Correct 15 ms 16040 KB Output is correct