This submission is migrated from previous version of oj.uz, which used different machine for grading. This submission may have different result if resubmitted.
#include <bits/stdc++.h>
#include "grader.h"
using namespace std;
void solve(int n)
{
map<int,bool> sel;
for(int i=1; i<=50; i++)
{
int x = 0;
while(!x || sel[x])
{
x = rand()%n + 1;
}
int val = kth(x);
int nr = cnt(val);
if(nr>n/3)
{
say_answer(x);
}
}
say_answer(-1);
}
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