답안 #944905

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
944905	2024-03-13T07:48:38 Z	nguyentunglam	버섯 세기 (IOI20_mushrooms)	C++17	80.427 / 100	6 ms	788 KB

mushrooms

#include "mushrooms.h"
#include<bits/stdc++.h>
using namespace std;
int a[20010], order[20010];
vector<int> A, B;
int usemachine(vector<int> ask) {
    vector<int> nxt;
    for(int &j : ask) nxt.push_back(order[j]);
    return use_machine(nxt);
}
int count_mushrooms(int n) {
    for(int i = 1; i < n; i++) order[i] = i;
    //random_shuffle(order + 1, order + n);
    if (n == 2) return 1 + (usemachine({0, 1}) == 0);
 
    a[1] = usemachine({0, 1});
    a[2] = usemachine({0, 2});
    int x, y, type = 0;
    if (a[1] + a[2] == 2) {
        type = 1;
        x = 1; y = 2;
    }
    else {
        type = 0;
        if (a[1] == 0) x = 0, y = 1;
        else x = 0, y = 2;
    }
 
    int T = min(280, n);
    int ed = 2;
    for(int i = 4; i < T; i += 2) {
        int tmp = usemachine({x, i - 1, y, i});
 
        if (tmp / 2 > 0) a[i - 1] = type ^ 1;
        else a[i - 1] = type;
 
        if (tmp % 2) a[i] = type ^ 1;
        else a[i] = type;
        ed = i;
    }
 
    for(int i = 0; i <= ed; i++) {
        if (!a[i]) A.push_back(i);
        else B.push_back(i);
    }
    bool ok = 0;
    int tmp = 0;
    if (A.size() < B.size()) swap(A, B), ok = 1;
    int sz = A.size(), cnt = 0;
    for(int i = ed + 1; i < n; i += sz) {
        vector<int> ask;
        for(int j = i; j < n && j < i + sz; j++) {
            ask.push_back(A[j - i]);
            ask.push_back(j);
            cnt++;
        }
        tmp += (usemachine(ask) + 1) / 2;
    }
    if (!ok) return A.size() + cnt - tmp;
    return B.size() + tmp;
}

Subtask #1

80.427 / 100.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	344 KB	Output is correct
2	Correct	1 ms	344 KB	Output is correct
3	Correct	0 ms	344 KB	Output is correct
4	Correct	1 ms	344 KB	Output is correct
5	Correct	1 ms	456 KB	Output is correct
6	Correct	1 ms	464 KB	Output is correct
7	Correct	4 ms	528 KB	Output is correct
8	Correct	4 ms	528 KB	Output is correct
9	Correct	5 ms	532 KB	Output is correct
10	Partially correct	5 ms	532 KB	Output is partially correct
11	Partially correct	5 ms	784 KB	Output is partially correct
12	Partially correct	5 ms	532 KB	Output is partially correct
13	Correct	5 ms	528 KB	Output is correct
14	Correct	3 ms	504 KB	Output is correct
15	Partially correct	5 ms	536 KB	Output is partially correct
16	Partially correct	4 ms	532 KB	Output is partially correct
17	Correct	3 ms	500 KB	Output is correct
18	Correct	4 ms	536 KB	Output is correct
19	Partially correct	5 ms	528 KB	Output is partially correct
20	Partially correct	5 ms	528 KB	Output is partially correct
21	Partially correct	5 ms	788 KB	Output is partially correct
22	Partially correct	5 ms	528 KB	Output is partially correct
23	Partially correct	4 ms	532 KB	Output is partially correct
24	Correct	3 ms	504 KB	Output is correct
25	Partially correct	4 ms	532 KB	Output is partially correct
26	Partially correct	5 ms	528 KB	Output is partially correct
27	Partially correct	5 ms	528 KB	Output is partially correct
28	Partially correct	5 ms	536 KB	Output is partially correct
29	Partially correct	5 ms	524 KB	Output is partially correct
30	Partially correct	5 ms	528 KB	Output is partially correct
31	Partially correct	4 ms	528 KB	Output is partially correct
32	Partially correct	4 ms	536 KB	Output is partially correct
33	Partially correct	4 ms	528 KB	Output is partially correct
34	Partially correct	5 ms	528 KB	Output is partially correct
35	Partially correct	5 ms	532 KB	Output is partially correct
36	Partially correct	5 ms	528 KB	Output is partially correct
37	Partially correct	5 ms	528 KB	Output is partially correct
38	Partially correct	5 ms	528 KB	Output is partially correct
39	Partially correct	5 ms	532 KB	Output is partially correct
40	Partially correct	4 ms	528 KB	Output is partially correct
41	Partially correct	5 ms	536 KB	Output is partially correct
42	Partially correct	5 ms	532 KB	Output is partially correct
43	Partially correct	5 ms	528 KB	Output is partially correct
44	Partially correct	5 ms	528 KB	Output is partially correct
45	Partially correct	4 ms	528 KB	Output is partially correct
46	Partially correct	5 ms	536 KB	Output is partially correct
47	Partially correct	5 ms	528 KB	Output is partially correct
48	Partially correct	5 ms	532 KB	Output is partially correct
49	Partially correct	4 ms	532 KB	Output is partially correct
50	Partially correct	5 ms	532 KB	Output is partially correct
51	Partially correct	5 ms	532 KB	Output is partially correct
52	Partially correct	4 ms	532 KB	Output is partially correct
53	Partially correct	5 ms	532 KB	Output is partially correct
54	Partially correct	5 ms	528 KB	Output is partially correct
55	Partially correct	4 ms	532 KB	Output is partially correct
56	Partially correct	6 ms	532 KB	Output is partially correct
57	Partially correct	5 ms	532 KB	Output is partially correct
58	Partially correct	5 ms	528 KB	Output is partially correct
59	Partially correct	5 ms	524 KB	Output is partially correct
60	Partially correct	4 ms	532 KB	Output is partially correct
61	Partially correct	5 ms	532 KB	Output is partially correct
62	Correct	1 ms	344 KB	Output is correct
63	Correct	0 ms	344 KB	Output is correct
64	Correct	0 ms	344 KB	Output is correct
65	Correct	0 ms	344 KB	Output is correct
66	Correct	1 ms	344 KB	Output is correct
67	Correct	0 ms	344 KB	Output is correct
68	Correct	0 ms	344 KB	Output is correct
69	Correct	0 ms	344 KB	Output is correct
70	Correct	0 ms	344 KB	Output is correct
71	Correct	0 ms	344 KB	Output is correct
72	Correct	0 ms	344 KB	Output is correct
73	Correct	0 ms	344 KB	Output is correct
74	Correct	0 ms	344 KB	Output is correct
75	Correct	0 ms	344 KB	Output is correct
76	Correct	0 ms	344 KB	Output is correct
77	Correct	0 ms	344 KB	Output is correct
78	Correct	0 ms	344 KB	Output is correct
79	Correct	0 ms	344 KB	Output is correct
80	Correct	0 ms	344 KB	Output is correct
81	Correct	0 ms	344 KB	Output is correct
82	Correct	0 ms	344 KB	Output is correct
83	Correct	0 ms	344 KB	Output is correct
84	Correct	0 ms	344 KB	Output is correct
85	Correct	0 ms	344 KB	Output is correct
86	Correct	0 ms	344 KB	Output is correct
87	Correct	0 ms	344 KB	Output is correct
88	Correct	0 ms	344 KB	Output is correct
89	Correct	1 ms	392 KB	Output is correct
90	Correct	0 ms	344 KB	Output is correct
91	Correct	0 ms	344 KB	Output is correct