Submission #474384

#	Time	Username	Problem	Language	Result	Execution time	Memory
474384		hhhhaura	CONSUL (info1cup19_consul)	C++14	85 / 100	38 ms	200 KiB

consul

#include "grader.h"
#define wiwihorz
#include <bits/stdc++.h>
#pragma GCC optimize("Ofast")
#pragma loop-opt(on)

#define rep(i, a, b) for(int i = a; i <= b; i ++)
#define rrep(i, a, b) for(int i = b; i >= a; i--)
#define all(x) x.begin(), x.end()
#define ceil(a, b) ((a + b - 1) / (b))

using namespace std;

#define lld long double
#define pii pair<int, int>
#define random mt19937 rnd(chrono::steady_clock::now().time_since_epoch().count())

#ifdef wiwihorz
#define print(a...) cerr << "Line: " << __LINE__, kout("[" + string(#a) + "] = ", a)
void vprint(auto L, auto R) { cerr << *L << " \n"[next(L) == R], ++L; }
void kout() { cerr << endl; }
template<class T1, class ... T2> void kout(T1 a, T2 ... e) { cerr << a << " ", kout(e...);}
#else
#define print(...) 0
#define vprint(...) 0
#endif
random;
void solve(int n)
{
    set<int> s;
    rep(i, 1, 30) {
    	int k;
    	while(k = rnd() % n + 1, s.find(k) != s.end());
    	s.insert(k);
    	k = kth(k);
    	if(cnt(k) > n / 3) {
    		say_answer(k);
    		return;
    	}
    }
    say_answer(-1);
}

Compilation message (stderr)

consul.cpp:5: warning: ignoring '#pragma loop ' [-Wunknown-pragmas]
    5 | #pragma loop-opt(on)
      | 
consul.cpp:20:13: warning: use of 'auto' in parameter declaration only available with '-fconcepts-ts'
   20 | void vprint(auto L, auto R) { cerr << *L << " \n"[next(L) == R], ++L; }
      |             ^~~~
consul.cpp:20:21: warning: use of 'auto' in parameter declaration only available with '-fconcepts-ts'
   20 | void vprint(auto L, auto R) { cerr << *L << " \n"[next(L) == R], ++L; }
      |                     ^~~~

• Subtask 1: 0 / 15
• Subtask 2: 20 / 20
• Subtask 3: 65 / 65