oj.uz

Submission #897620

# Submission time Handle Problem Language Result Execution time Memory
897620 2024-01-03T13:42:25 Z ttamx Meetings (JOI19_meetings) C++14
0 / 100
 39 ms 600 KB 
#include "meetings.h"
#include<bits/stdc++.h>

using namespace std;

void Solve(int n){
	mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
	vector<vector<int>> comp(n);
	for(int i=1;i<n;i++)comp[0].emplace_back(i);
	function<void(int)> dnc=[&](int s){
		int sz=comp[s].size();
		if(!sz)return;
		vector<int> res,path{s};
		swap(res,comp[s]);
		int t=res[rng()%sz];
		for(auto u:res)if(u!=t){
			int v=Query(s,t,u);
			if(u==v)path.emplace_back(u);
			else comp[v].emplace_back(u);
		}
		sort(path.begin()+1,path.end(),[&](int l,int r){
			return Query(s,l,r)==l;
		});
		path.emplace_back(t);
		for(int i=1;i<path.size();i++)Bridge(path[i-1],path[i]);
		for(auto u:path)dnc(u);
	};
	dnc(0);
}

Compilation message

meetings.cpp: In lambda function:
meetings.cpp:25:16: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   25 |   for(int i=1;i<path.size();i++)Bridge(path[i-1],path[i]);
      |               ~^~~~~~~~~~~~

Subtask #1
0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Incorrect 0 ms 344 KB Wrong Answer [3]
3 Halted 0 ms 0 KB -

Subtask #2
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Incorrect 0 ms 344 KB Wrong Answer [3]
3 Halted 0 ms 0 KB -

Subtask #3
0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Incorrect 0 ms 344 KB Wrong Answer [3]
3 Halted 0 ms 0 KB -

Subtask #4
0 / 71.0

# Verdict Execution time Memory Grader output
1 Incorrect 39 ms 600 KB Wrong Answer [3]
2 Halted 0 ms 0 KB -