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Submission #341979

# Submission time Handle Problem Language Result Execution time Memory
341979 2020-12-31T21:18:34 Z cheissmart CONSUL (info1cup19_consul) C++14
85 / 100
 33 ms 384 KB 
#include "grader.h"
#ifdef CHEISSMART
#include "grader.cpp"
#endif
#include <bits/stdc++.h>

using namespace std;

void solve(int n) {
	set<int> asked;
	int qry = 0;
	auto is = [&] (int i) {
		int x = kth(i);
		qry++;
		if(asked.count(x)) return -1;
		asked.insert(x);
		qry++;
		if(cnt(x) * 3 > n) return x;
		else return -1;
	};
	mt19937 rng(time(0));
	while(qry + 2 <= 60) {
		int pos = rng() % n + 1;
		int r = is(pos);
		if(r != -1) {
			say_answer(r);
			return;
		}
	}
 	say_answer(-1);
}

Subtask #1
0.0 / 15.0

# Verdict Execution time Memory Grader output
1 Incorrect 11 ms 364 KB Output isn't correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 25 ms 364 KB Output is correct
2 Correct 8 ms 364 KB Output is correct

Subtask #3
65.0 / 65.0

# Verdict Execution time Memory Grader output
1 Correct 22 ms 364 KB Output is correct
2 Correct 27 ms 364 KB Output is correct
3 Correct 8 ms 364 KB Output is correct
4 Correct 7 ms 364 KB Output is correct
5 Correct 23 ms 364 KB Output is correct
6 Correct 24 ms 364 KB Output is correct
7 Correct 23 ms 364 KB Output is correct
8 Correct 33 ms 364 KB Output is correct
9 Correct 23 ms 384 KB Output is correct
10 Correct 25 ms 364 KB Output is correct
11 Correct 25 ms 364 KB Output is correct
12 Correct 20 ms 364 KB Output is correct
13 Correct 25 ms 384 KB Output is correct
14 Correct 21 ms 364 KB Output is correct