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Submission #328647

# Submission time Handle Problem Language Result Execution time Memory
328647 2020-11-17T12:47:08 Z iliccmarko CONSUL (info1cup19_consul) C++14
100 / 100
 77 ms 364 KB 
#include <bits/stdc++.h>
#include<grader.h>
using namespace std;
#define ll long long
#define endl "\n"
#define INF 1000000000
#define LINF 1000000000000000LL
#define pb push_back
#define all(x) x.begin(), x.end()
#define len(s) (int)s.size()
#define test_case { int t; cin>>t; while(t--)solve(); }
#define input(n, v) {for(int i = 0;i<n;i++) cin>>v[i];}
#define output(n, v) {for(int i = 0;i<n;i++) cout<<v[i]<<" "; cout<<endl;}
#define single_case solve();
#define line cout<<"------------"<<endl;
#define ios { ios_base::sync_with_stdio(false); cin.tie(NULL); }
using namespace std;

void solve(int n)
{
    int k = 30;
    if(n<=50)
        k = 25;
    int best = 0;
    int ans = -1;
    mt19937 mt_rand(time(0));
    for(int i = 0;i<k;i++)
    {
        int s = (mt_rand())%n+1;
        int w = kth(s);
        int c = cnt(w);
        if(c>best)
        {
            best = c;
            ans = w;
        }
    }
    if(best>n/3)
        say_answer(ans);
    else
        say_answer(-1);
}

Subtask #1
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 46 ms 364 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 42 ms 364 KB Output is correct
2 Correct 38 ms 364 KB Output is correct

Subtask #3
65.0 / 65.0

# Verdict Execution time Memory Grader output
1 Correct 35 ms 364 KB Output is correct
2 Correct 56 ms 364 KB Output is correct
3 Correct 76 ms 364 KB Output is correct
4 Correct 70 ms 364 KB Output is correct
5 Correct 60 ms 364 KB Output is correct
6 Correct 71 ms 364 KB Output is correct
7 Correct 64 ms 364 KB Output is correct
8 Correct 66 ms 364 KB Output is correct
9 Correct 56 ms 364 KB Output is correct
10 Correct 68 ms 364 KB Output is correct
11 Correct 62 ms 364 KB Output is correct
12 Correct 41 ms 364 KB Output is correct
13 Correct 77 ms 364 KB Output is correct
14 Correct 54 ms 364 KB Output is correct