oj.uz

Submission #1066100

# Submission time Handle Problem Language Result Execution time Memory
1066100 2024-08-19T15:03:24 Z Andrey Meetings (JOI19_meetings) C++14
29 / 100
 1054 ms 1436 KB 
#include "meetings.h"
#include<bits/stdc++.h>
using namespace std;

mt19937 rng(69420);
vector<pair<int,int>> ans(0);

void dude(vector<int> haha) {
    if(haha.size() == 1) {
        return;
    }
    if(haha.size() == 2) {
        ans.push_back({haha[0],haha[1]});
        return;
    }
    int p = rng()%haha.size();
    vector<vector<int>> idk(0);
    vector<int> troll(0);
    for(int i = 0; i < haha.size(); i++) {
        if(i != p) {
            bool yeah = true;
            for(int j = 0; j < troll.size(); j++) {
                if(troll[j] == haha[i]) {
                    yeah = false;
                    idk[j].push_back(haha[i]);
                    break;
                }
                else {
                    int c = Query(haha[p],troll[j],haha[i]);
                    if(c != haha[p]) {
                        yeah = false;
                        idk[j].push_back(haha[i]);
                        troll[j] = c;
                        break;
                    }
                }
            }
            if(yeah) {
                idk.push_back({haha[i]});
                troll.push_back(haha[i]);
            }
        }
    }
    for(int i = 0; i < idk.size(); i++) {
        ans.push_back({haha[p],troll[i]});
        dude(idk[i]);
    }
}

void Solve(int n) {
    vector<int> haha(0);
    for(int i = 0; i < n; i++) {
        haha.push_back(i);
    }
    dude(haha);
    for(int i = 0; i < ans.size(); i++) {
        Bridge(min(ans[i].first,ans[i].second),max(ans[i].first,ans[i].second));
    }
}

Compilation message

meetings.cpp: In function 'void dude(std::vector<int>)':
meetings.cpp:19:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   19 |     for(int i = 0; i < haha.size(); i++) {
      |                    ~~^~~~~~~~~~~~~
meetings.cpp:22:30: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   22 |             for(int j = 0; j < troll.size(); j++) {
      |                            ~~^~~~~~~~~~~~~~
meetings.cpp:44:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   44 |     for(int i = 0; i < idk.size(); i++) {
      |                    ~~^~~~~~~~~~~~
meetings.cpp: In function 'void Solve(int)':
meetings.cpp:56:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   56 |     for(int i = 0; i < ans.size(); i++) {
      |                    ~~^~~~~~~~~~~~

Subtask #1
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 1 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 1 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 0 ms 344 KB Output is correct
15 Correct 0 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 0 ms 356 KB Output is correct
20 Correct 0 ms 344 KB Output is correct
21 Correct 1 ms 344 KB Output is correct
22 Correct 0 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 344 KB Output is correct
26 Correct 0 ms 596 KB Output is correct

Subtask #3
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 1 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 0 ms 344 KB Output is correct
15 Correct 0 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 0 ms 356 KB Output is correct
20 Correct 0 ms 344 KB Output is correct
21 Correct 1 ms 344 KB Output is correct
22 Correct 0 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 344 KB Output is correct
26 Correct 0 ms 596 KB Output is correct
27 Correct 19 ms 344 KB Output is correct
28 Correct 17 ms 344 KB Output is correct
29 Correct 18 ms 596 KB Output is correct
30 Correct 15 ms 600 KB Output is correct
31 Correct 8 ms 344 KB Output is correct
32 Correct 37 ms 568 KB Output is correct
33 Correct 26 ms 584 KB Output is correct
34 Correct 24 ms 660 KB Output is correct
35 Correct 25 ms 600 KB Output is correct
36 Correct 7 ms 344 KB Output is correct
37 Correct 7 ms 344 KB Output is correct
38 Correct 8 ms 528 KB Output is correct
39 Correct 6 ms 344 KB Output is correct

Subtask #4
0 / 71.0

# Verdict Execution time Memory Grader output
1 Incorrect 1054 ms 1436 KB Wrong Answer [2]
2 Halted 0 ms 0 KB -