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Submission #635779

# Submission time Handle Problem Language Result Execution time Memory
635779 2022-08-26T22:25:09 Z Dec0Dedd CONSUL (info1cup19_consul) C++14
85 / 100
 79 ms 208 KB 
#include <bits/stdc++.h>
#include "grader.h"

using namespace std;

mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());

int rnd(int a, int b){ 
	return a+rng()%(b-a+1);
}

void solve(int n) {
   pair<int, int> x={0, -1};

   vector<int> v;
   for (int i=1; i<=n; ++i) v.push_back(i);
   shuffle(v.begin(), v.end(), rng);

   for (int i=0; i<30; ++i) {
      int r=v[i], val=kth(r);
      x=max(x, {cnt(val), val});
   }
   if (x.first > n/3) say_answer(x.second);
   else say_answer(-1); 
}

Subtask #1
0.0 / 15.0

# Verdict Execution time Memory Grader output
1 Incorrect 56 ms 208 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 56 ms 208 KB Output is correct
2 Correct 40 ms 208 KB Output is correct

Subtask #3
65.0 / 65.0

# Verdict Execution time Memory Grader output
1 Correct 39 ms 208 KB Output is correct
2 Correct 58 ms 208 KB Output is correct
3 Correct 47 ms 208 KB Output is correct
4 Correct 43 ms 208 KB Output is correct
5 Correct 36 ms 208 KB Output is correct
6 Correct 59 ms 208 KB Output is correct
7 Correct 79 ms 208 KB Output is correct
8 Correct 47 ms 208 KB Output is correct
9 Correct 57 ms 208 KB Output is correct
10 Correct 77 ms 208 KB Output is correct
11 Correct 48 ms 208 KB Output is correct
12 Correct 57 ms 208 KB Output is correct
13 Correct 50 ms 208 KB Output is correct
14 Correct 44 ms 208 KB Output is correct