답안 #702086

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
702086 2023-02-22T20:23:13 Z grossly_overconfident 버섯 세기 (IOI20_mushrooms) C++17
92.623 / 100
8 ms 444 KB
#include "mushrooms.h"
#include <bits/stdc++.h>
using namespace std;
/*
int uses = 0;

int use_machine(vector<int> v){
	int count = 0;
	uses++;
	vector<int> shrooms = 
	for (int i = 1; i < v.size(); ++i){
		if (shrooms[v[i]] != shrooms[v[i - 1]]){
			count++;
		}
	}
	return count;
}
*/


int count_mushrooms(int n) {
	if (n < 220){
		int a = 1;
		for (int i = 1; i < n; ++i){
			a += 1 - use_machine({ 0, i });
		}
		return a;
	}
	int asize = 1;
	int bsize = 0;
	vector<int> a(1, 0);
	vector<int> b;
	if (use_machine({ 0, 1 }) == 1){
		b.push_back(1);
		bsize++;
	}
	else{
		a.push_back(1);
		asize++;
	}
	if (use_machine({ 0, 2 }) == 1){
		b.push_back(2);
		bsize++;
	}
	else{
		a.push_back(2);
		asize++;
	}
	for (int i = 3; i <= 150; i += 2){
		if (asize > bsize){
			int h = use_machine({ i, a[0], i + 1, a[1]});
			//cout << i << " " << a[0] << " " << i + 1 << " " << a[1] << " :: " << h << " :: a" << endl;
			if (h == 0){
				asize += 2;
				a.push_back(i);
				a.push_back(i + 1);
			}
			else if (h == 3){
				bsize += 2;
				b.push_back(i);
				b.push_back(i + 1);
			}
			else{
				bsize += 1;
				asize += 1;
				if (h == 1){
					b.push_back(i);
					a.push_back(i + 1);
				}
				else{
					a.push_back(i);
					b.push_back(i + 1);
				}
			}
		}

		else {
			int h = use_machine({ i, b[0], i + 1, b[1] });
			//cout << i << " " << b[0] << " " << i + 1 << " " << b[1] << " :: " << h << " :: b" << endl;
			if (h == 0){
				bsize += 2;
				b.push_back(i);
				b.push_back(i + 1);
			}
			else if (h == 3){
				asize += 2;
				a.push_back(i);
				a.push_back(i + 1);
			}
			else{
				bsize += 1;
				asize += 1;
				if (h == 1){
					a.push_back(i);
					b.push_back(i + 1);
				}
				else{
					b.push_back(i);
					a.push_back(i + 1);
				}
			}
		}

		
	}
	/*
	for (auto u : a){
		cout << u << " ";
	}
	cout << endl << endl;
	for (auto u : b){
		cout << u << " ";
	}
	*/
	
	int i = 151;
	int tally = asize;
	while (true){
		if (a.size() < b.size()){
			vector<int> p;
			int w = i;
			for (int j = 0; j < bsize; ++j){
				p.push_back(i);
				p.push_back(b[j]);
				i++;
				if (i == n){
					break;
				}
			}
			int h = use_machine(p);
			if (h % 2 == 0){
				b.push_back(w);
				tally += h / 2;
				bsize++;

			}
			else{
				a.push_back(w);
				tally++;
				asize++;
				tally += (h - 1) / 2;
			}
			if (i == n){
				return tally;
			}
		}
		else{
			vector<int> p;
			int w = i;
			int psize = 0;
			for (int j = 0; j < asize; ++j){
				p.push_back(i);
				p.push_back(a[j]);
				psize++;
				i++;
				if (i == n){
					break;
				}
			}
			int h = use_machine(p);
			if (h % 2 == 0){
				a.push_back(w);
				asize++;
				tally++;
				tally += (psize - 1) - (h / 2);

			}
			else{
				b.push_back(w);
				bsize++;
				tally += (psize - 1) - ((h - 1) / 2);
			}
			if (i == n){
				return tally;
			}
		}
		if (i == n){
			return tally;
		}
	}
}
/*
int main(){
	int g = count_mushrooms(19002);
	cout << endl << endl << g << endl << uses;
	return 0;
}
*/

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 208 KB Output is correct
2 Correct 0 ms 208 KB Output is correct
3 Correct 1 ms 208 KB Output is correct
4 Correct 0 ms 208 KB Output is correct
5 Correct 3 ms 208 KB Output is correct
6 Correct 2 ms 208 KB Output is correct
7 Correct 5 ms 208 KB Output is correct
8 Correct 5 ms 208 KB Output is correct
9 Correct 5 ms 208 KB Output is correct
10 Correct 6 ms 324 KB Output is correct
11 Partially correct 5 ms 208 KB Output is partially correct
12 Correct 6 ms 320 KB Output is correct
13 Correct 5 ms 208 KB Output is correct
14 Correct 3 ms 328 KB Output is correct
15 Partially correct 6 ms 208 KB Output is partially correct
16 Partially correct 7 ms 208 KB Output is partially correct
17 Correct 3 ms 208 KB Output is correct
18 Correct 5 ms 208 KB Output is correct
19 Partially correct 5 ms 336 KB Output is partially correct
20 Correct 5 ms 208 KB Output is correct
21 Correct 5 ms 304 KB Output is correct
22 Partially correct 8 ms 208 KB Output is partially correct
23 Correct 6 ms 208 KB Output is correct
24 Correct 3 ms 208 KB Output is correct
25 Partially correct 8 ms 324 KB Output is partially correct
26 Partially correct 6 ms 324 KB Output is partially correct
27 Partially correct 5 ms 316 KB Output is partially correct
28 Partially correct 8 ms 444 KB Output is partially correct
29 Partially correct 5 ms 208 KB Output is partially correct
30 Partially correct 7 ms 208 KB Output is partially correct
31 Partially correct 6 ms 208 KB Output is partially correct
32 Partially correct 6 ms 316 KB Output is partially correct
33 Partially correct 6 ms 332 KB Output is partially correct
34 Partially correct 6 ms 308 KB Output is partially correct
35 Partially correct 6 ms 320 KB Output is partially correct
36 Partially correct 6 ms 208 KB Output is partially correct
37 Partially correct 8 ms 320 KB Output is partially correct
38 Partially correct 6 ms 340 KB Output is partially correct
39 Partially correct 6 ms 208 KB Output is partially correct
40 Partially correct 7 ms 208 KB Output is partially correct
41 Partially correct 5 ms 332 KB Output is partially correct
42 Partially correct 6 ms 316 KB Output is partially correct
43 Partially correct 6 ms 336 KB Output is partially correct
44 Partially correct 6 ms 316 KB Output is partially correct
45 Partially correct 6 ms 208 KB Output is partially correct
46 Partially correct 6 ms 208 KB Output is partially correct
47 Partially correct 6 ms 320 KB Output is partially correct
48 Partially correct 5 ms 324 KB Output is partially correct
49 Partially correct 5 ms 208 KB Output is partially correct
50 Partially correct 6 ms 208 KB Output is partially correct
51 Partially correct 6 ms 328 KB Output is partially correct
52 Partially correct 8 ms 324 KB Output is partially correct
53 Partially correct 5 ms 208 KB Output is partially correct
54 Partially correct 5 ms 320 KB Output is partially correct
55 Partially correct 6 ms 328 KB Output is partially correct
56 Partially correct 5 ms 324 KB Output is partially correct
57 Partially correct 8 ms 208 KB Output is partially correct
58 Partially correct 8 ms 312 KB Output is partially correct
59 Partially correct 6 ms 208 KB Output is partially correct
60 Partially correct 6 ms 208 KB Output is partially correct
61 Partially correct 6 ms 336 KB Output is partially correct
62 Correct 1 ms 208 KB Output is correct
63 Correct 0 ms 208 KB Output is correct
64 Correct 0 ms 208 KB Output is correct
65 Correct 0 ms 208 KB Output is correct
66 Correct 0 ms 208 KB Output is correct
67 Correct 0 ms 208 KB Output is correct
68 Correct 1 ms 208 KB Output is correct
69 Correct 1 ms 208 KB Output is correct
70 Correct 1 ms 208 KB Output is correct
71 Correct 1 ms 208 KB Output is correct
72 Correct 0 ms 208 KB Output is correct
73 Correct 0 ms 208 KB Output is correct
74 Correct 0 ms 208 KB Output is correct
75 Correct 0 ms 208 KB Output is correct
76 Correct 1 ms 208 KB Output is correct
77 Correct 1 ms 208 KB Output is correct
78 Correct 0 ms 208 KB Output is correct
79 Correct 1 ms 208 KB Output is correct
80 Correct 0 ms 208 KB Output is correct
81 Correct 0 ms 208 KB Output is correct
82 Correct 0 ms 208 KB Output is correct
83 Correct 0 ms 208 KB Output is correct
84 Correct 0 ms 208 KB Output is correct
85 Correct 0 ms 208 KB Output is correct
86 Correct 0 ms 208 KB Output is correct
87 Correct 0 ms 208 KB Output is correct
88 Correct 0 ms 208 KB Output is correct
89 Correct 0 ms 208 KB Output is correct
90 Correct 1 ms 208 KB Output is correct
91 Correct 0 ms 208 KB Output is correct