제출 #307362

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
307362		arthur_nascimento	버섯 세기 (IOI20_mushrooms)	C++14	56.64 / 100	15 ms	384 KiB

mushrooms

#include "mushrooms.h"
#define pb push_back
using namespace std;

const int C = 200;

int count_mushrooms(int n) {
	vector<int> A,B;
	A.pb(0);

	for(int i=1;i<min(C,n);i++){
		vector<int> v;
		v.pb(0);
		v.pb(i);
		int x = use_machine(v);
		if(x) B.pb(i);
		else A.pb(i);
	}

	int t = max(A.size(), B.size());
	int use = 0;
	if(B.size() > A.size()) use = 1;

	vector<int> vec = A;
	if(use) vec = B;

	int ans = A.size();

	int eff = 0;
	for(int i=C;i<n;i+=t-1){
		vector<int> v;
		eff = 0;
		for(int j=0;j<t;j++){
			v.pb(vec[j]);
			if(j < t-1 && i+j < n) v.pb(i+j), eff++;
		}
		int x = use_machine(v);
		//printf("ff %d\n",eff);
		if(use) ans += x/2;
		else ans += eff - (x/2);
	}
	return ans;
}

• Subtask 1: 56.6416 / 100