답안 #605141

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
605141 2022-07-25T13:21:00 Z Mher 버섯 세기 (IOI20_mushrooms) C++14
79.8587 / 100
9 ms 392 KB
#include "mushrooms.h"
#include<bits/stdc++.h>

using namespace std;

const int M = 251;

/*
5
0 1 1 0 1
*/


int count_mushrooms(int n) {
	vector<int> cl(n, -1);
	cl[0] = 1;
	if (n == 2)
    {
        return 2 - use_machine({0, 1});
    }
    cl[1] = 1 - use_machine({0, 1});
    cl[2] = 1 - use_machine({0, 2});
    bool t;
    int x, y;
    if (cl[0] == cl[1])
    {
        t = true;
        x = 0;
        y = 1;
    }
    else if (cl[0] == cl[2])
    {
        t = true;
        x = 0;
        y = 2;
    }
    else
    {
        t = false;
        x = 1;
        y = 2;
    }
    for (int i = 3; i < min(n - 1, M); i += 2)
    {
        int res = use_machine({x, i, y, i + 1});
        if (res == 0)
        {
            cl[i] = cl[i + 1] = t;
        }
        else if (res == 1)
        {
            cl[i] = t;
            cl[i + 1] = !t;
        }
        else if (res == 2)
        {
            cl[i] = !t;
            cl[i + 1] = t;
        }
        else
        {
            cl[i] = cl[i + 1] = !t;
        }
    }
    if (n < M && n % 2 == 0)
    {
        cl[n - 1] = 1 - use_machine({0, n - 1});
    }
    int ans = 0;
    if (n < M)
    {
        for (int i = 0; i < n; i++)
            ans += cl[i];
        return ans;
    }
    int as = 0;
    for (int i = 0; i < M; i++)
    {
        as += cl[i];
    }
    ans += as;
    bool cs = as > M / 2;
    vector<int> ch;
    for (int i = 0; i < M; i++)
    {
        if (cl[i] == cs)
        {
            //cout << i << endl;
            ch.push_back(i);
        }
    }
    if (ch.size() % 2 == 1)
    {
        ch.pop_back();
    }
    int len = ch.size();
    for (int i = M; i < n; i += len)
    {
        vector<int> q;
        for (int j = 0; j < min(len, n - i); j++)
        {
            q.push_back(ch[j]);
            q.push_back(i + j);
        }
        int res = use_machine(q);
        int ab = res / 2, rm = res % 2;
        ab += rm;
        ans += cs ? min(len, n - i) - ab : ab;
    }
    return ans;
}
# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 208 KB Output is correct
2 Correct 1 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 1 ms 208 KB Output is correct
6 Correct 2 ms 208 KB Output is correct
7 Correct 5 ms 336 KB Output is correct
8 Correct 5 ms 336 KB Output is correct
9 Correct 6 ms 336 KB Output is correct
10 Partially correct 5 ms 388 KB Output is partially correct
11 Partially correct 6 ms 336 KB Output is partially correct
12 Partially correct 7 ms 336 KB Output is partially correct
13 Correct 7 ms 336 KB Output is correct
14 Correct 4 ms 336 KB Output is correct
15 Partially correct 6 ms 336 KB Output is partially correct
16 Partially correct 6 ms 336 KB Output is partially correct
17 Correct 3 ms 336 KB Output is correct
18 Correct 5 ms 336 KB Output is correct
19 Partially correct 5 ms 336 KB Output is partially correct
20 Partially correct 5 ms 336 KB Output is partially correct
21 Partially correct 5 ms 336 KB Output is partially correct
22 Partially correct 6 ms 336 KB Output is partially correct
23 Correct 5 ms 336 KB Output is correct
24 Correct 4 ms 336 KB Output is correct
25 Partially correct 8 ms 336 KB Output is partially correct
26 Partially correct 6 ms 336 KB Output is partially correct
27 Partially correct 6 ms 336 KB Output is partially correct
28 Partially correct 6 ms 336 KB Output is partially correct
29 Partially correct 7 ms 392 KB Output is partially correct
30 Partially correct 7 ms 384 KB Output is partially correct
31 Partially correct 7 ms 336 KB Output is partially correct
32 Partially correct 5 ms 384 KB Output is partially correct
33 Partially correct 6 ms 336 KB Output is partially correct
34 Partially correct 8 ms 364 KB Output is partially correct
35 Partially correct 6 ms 336 KB Output is partially correct
36 Partially correct 7 ms 336 KB Output is partially correct
37 Partially correct 6 ms 336 KB Output is partially correct
38 Partially correct 6 ms 336 KB Output is partially correct
39 Partially correct 6 ms 388 KB Output is partially correct
40 Partially correct 5 ms 336 KB Output is partially correct
41 Partially correct 6 ms 384 KB Output is partially correct
42 Partially correct 5 ms 388 KB Output is partially correct
43 Partially correct 8 ms 368 KB Output is partially correct
44 Partially correct 6 ms 336 KB Output is partially correct
45 Partially correct 6 ms 384 KB Output is partially correct
46 Partially correct 7 ms 388 KB Output is partially correct
47 Partially correct 6 ms 336 KB Output is partially correct
48 Partially correct 5 ms 336 KB Output is partially correct
49 Partially correct 8 ms 336 KB Output is partially correct
50 Partially correct 6 ms 376 KB Output is partially correct
51 Partially correct 6 ms 368 KB Output is partially correct
52 Partially correct 6 ms 380 KB Output is partially correct
53 Partially correct 6 ms 368 KB Output is partially correct
54 Partially correct 9 ms 336 KB Output is partially correct
55 Partially correct 6 ms 336 KB Output is partially correct
56 Partially correct 6 ms 336 KB Output is partially correct
57 Partially correct 5 ms 388 KB Output is partially correct
58 Partially correct 7 ms 392 KB Output is partially correct
59 Partially correct 6 ms 388 KB Output is partially correct
60 Partially correct 7 ms 392 KB Output is partially correct
61 Partially correct 5 ms 392 KB Output is partially correct
62 Correct 0 ms 208 KB Output is correct
63 Correct 0 ms 208 KB Output is correct
64 Correct 1 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 0 ms 208 KB Output is correct
69 Correct 0 ms 208 KB Output is correct
70 Correct 0 ms 208 KB Output is correct
71 Correct 0 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 0 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 0 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 1 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 1 ms 208 KB Output is correct
89 Correct 1 ms 208 KB Output is correct
90 Correct 0 ms 208 KB Output is correct
91 Correct 0 ms 208 KB Output is correct