# | Time | Username | Problem | Language | Result | Execution time | Memory |
---|---|---|---|---|---|---|---|
522239 | amunduzbaev | Costinland (info1cup19_costinland) | C++17 | 0 ms | 0 KiB |
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"
using namespace std;
#include "grader.h"
#ifndef EVAL
#include "grader.cpp"
#endif
void solve(int n){
if(n <= 50){
map<int, int> mm;
for(int i=1;i<=n;i++){
int v = kth(i);
mm[v]++;
}
for(auto x : mm){
if(x.second > n / 3){
say_answer(x.first);
return;
}
} say_answer(-1);
return;
}
for(int i=0;i<30;i++){
int p = rand() % n + 1;
int v = kth(p);
int c = cnt(v);
if(c > n / 3) { say_answer(v); return; }
} say_answer(-1); return;
}