#include "grader.h"
#include "bits/stdc++.h"
using namespace std;
mt19937 rng(123);
void solve(int n)
{
map<int, int> us, mp;
for(int i = 0; i < 30; i++){
int x = rng() % n;
while(us[x] == 1) x = rng() % n;
us[x] = 1;
int c = kth(x + 1);
if(mp[c] == 0){
mp[c] = 1;
int k = cnt(c);
if(k > n / 3){
say_answer(c); return;
}
}
}
say_answer(-1);
}
# | Verdict | Execution time | Memory | Grader output |
---|
Fetching results... |
# | Verdict | Execution time | Memory | Grader output |
---|
Fetching results... |
# | Verdict | Execution time | Memory | Grader output |
---|
Fetching results... |