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Submission #365229

# Submission time Handle Problem Language Result Execution time Memory
365229 2021-02-11T09:35:34 Z tengiz05 CONSUL (info1cup19_consul) C++17
100 / 100
 35 ms 364 KB 
#include "grader.h"
#ifndef EVAL
#include "grader.cpp"
#endif
#include <bits/stdc++.h>
using namespace std;
void solve(int n){
	vector<int> inds;
	for(int i=1;i<=n;i++)inds.push_back(i);
	mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
	shuffle(inds.begin(), inds.end(), rng);
	int numq = min(n/3+1,30);
	for(int i=0;i<numq;i++){
		int x = kth(inds[i]);
		int c = cnt(x);
		if(c > n/3){
			say_answer(x);
			return;
		}
	}
	say_answer(-1);
	return;
}


/*

2
9
4 2 3 4 1 2 5 4

9
4 2 3 4 4 2 5 4



*/

Subtask #1
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 11 ms 364 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 29 ms 364 KB Output is correct
2 Correct 10 ms 364 KB Output is correct

Subtask #3
65.0 / 65.0

# Verdict Execution time Memory Grader output
1 Correct 31 ms 364 KB Output is correct
2 Correct 35 ms 364 KB Output is correct
3 Correct 10 ms 364 KB Output is correct
4 Correct 11 ms 364 KB Output is correct
5 Correct 20 ms 364 KB Output is correct
6 Correct 34 ms 364 KB Output is correct
7 Correct 32 ms 364 KB Output is correct
8 Correct 29 ms 364 KB Output is correct
9 Correct 35 ms 364 KB Output is correct
10 Correct 17 ms 364 KB Output is correct
11 Correct 29 ms 364 KB Output is correct
12 Correct 29 ms 364 KB Output is correct
13 Correct 30 ms 364 KB Output is correct
14 Correct 28 ms 364 KB Output is correct