Submission #315059

#	Time	Username	Problem	Language	Result	Execution time	Memory
315059		Seanliu	CONSUL (info1cup19_consul)	C++14	100 / 100	29 ms	256 KiB

consul

#include "grader.h"
#define min(a,b) ((a<b)?(a):(b))
int seed = 101;

inline int rnd(){
	return seed = (seed * 3 + 1) % 0xdefaced;
}


void solve(int N){
	for(int i = 0; i < min(30, (N / 2)); i++){
		int r = rnd() % N + 1;
		int v = kth(r);
		int c = cnt(v);
		//cout << "loc = " << r << ", val = " << v << ", cnt = " << c << endl;
		if(c > (N / 3)){
			say_answer(v);
			return;
		}
	}
	say_answer(-1);
}

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