Submission #435546

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
435546	2021-06-23T12:25:54 Z	Collypso	Counting Mushrooms (IOI20_mushrooms)	C++17	56.7839 / 100	13 ms	304 KB

mushrooms

#include <bits/stdc++.h>
#define ll long long
#define ld long double
#define pii pair<int, int>
#define pll pair<ll, ll>
#define vt vector
#define pb push_back
#define all(x) (x).begin(), (x).end()
#define sz(x) (int) (x).size()
#pragma GCC optimize ("O3")
#pragma GCC optimize ("O2")
#define F first
#define S second
//#define endl '\n'
//#define int long long

using namespace std;

int use_machine(vt<int> x);

int subtask1(int n)
{
	int ans = 1;
    for(int i = 1; i < n - 1; i += 2)
    {
        int tmp = use_machine({i + 1, 0, i});
        if (tmp == 0) ans += 2;
        else if (tmp == 1) ans += 1;
    }
    if (n % 2 == 0) ans += !use_machine({0, n - 1});
    return ans;
}

//if (n <= 452) return subtask1(n);

int count_mushrooms(int n)
{
    vt<int> v[2];
    v[0].pb(0);
    int q = 1, ans = 1, attempts = 200;

    while(q < n && attempts--)
    {
        if (use_machine({0, q}) == 0) v[0].pb(q), ans++;
        else v[1].pb(q);
        q++;
    }

    int r = (sz(v[1]) > sz(v[0])) ? 1 : 0;
    int X = sz(v[r]);

    if (q >= n) return ans;

    for(int i = 0, to = (n - q + X - 2) / (X - 1); i < to; i++)
    {
        vt<int> tmp(1, v[r][0]);
        for(int j = 1; q < n && j < X; q++, j++)
            tmp.pb(q), tmp.pb(v[r][j]);
        if (r == 1) ans += use_machine(tmp) / 2;
        else ans += sz(tmp) / 2 - use_machine(tmp) / 2;
        //cout << ans << endl;
        //for(int x : tmp) cout << x << " ";
        //cout << endl;
        //cout << use_machine(tmp) << endl;
    }
    return ans;
}

Subtask #1

56.7839 / 100.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	200 KB	Output is correct
2	Correct	1 ms	200 KB	Output is correct
3	Correct	1 ms	200 KB	Output is correct
4	Correct	1 ms	200 KB	Output is correct
5	Correct	3 ms	200 KB	Output is correct
6	Correct	5 ms	200 KB	Output is correct
7	Partially correct	8 ms	200 KB	Output is partially correct
8	Partially correct	7 ms	200 KB	Output is partially correct
9	Partially correct	12 ms	200 KB	Output is partially correct
10	Partially correct	12 ms	300 KB	Output is partially correct
11	Partially correct	10 ms	200 KB	Output is partially correct
12	Partially correct	10 ms	200 KB	Output is partially correct
13	Partially correct	10 ms	200 KB	Output is partially correct
14	Partially correct	6 ms	200 KB	Output is partially correct
15	Partially correct	10 ms	200 KB	Output is partially correct
16	Partially correct	8 ms	200 KB	Output is partially correct
17	Partially correct	9 ms	304 KB	Output is partially correct
18	Partially correct	8 ms	300 KB	Output is partially correct
19	Partially correct	10 ms	200 KB	Output is partially correct
20	Partially correct	9 ms	200 KB	Output is partially correct
21	Partially correct	13 ms	200 KB	Output is partially correct
22	Partially correct	12 ms	200 KB	Output is partially correct
23	Partially correct	11 ms	200 KB	Output is partially correct
24	Partially correct	8 ms	200 KB	Output is partially correct
25	Partially correct	10 ms	200 KB	Output is partially correct
26	Partially correct	11 ms	200 KB	Output is partially correct
27	Partially correct	11 ms	200 KB	Output is partially correct
28	Partially correct	12 ms	200 KB	Output is partially correct
29	Partially correct	12 ms	300 KB	Output is partially correct
30	Partially correct	9 ms	200 KB	Output is partially correct
31	Partially correct	11 ms	200 KB	Output is partially correct
32	Partially correct	11 ms	200 KB	Output is partially correct
33	Partially correct	9 ms	200 KB	Output is partially correct
34	Partially correct	11 ms	200 KB	Output is partially correct
35	Partially correct	11 ms	300 KB	Output is partially correct
36	Partially correct	7 ms	304 KB	Output is partially correct
37	Partially correct	11 ms	200 KB	Output is partially correct
38	Partially correct	9 ms	200 KB	Output is partially correct
39	Partially correct	11 ms	200 KB	Output is partially correct
40	Partially correct	8 ms	200 KB	Output is partially correct
41	Partially correct	11 ms	200 KB	Output is partially correct
42	Partially correct	8 ms	200 KB	Output is partially correct
43	Partially correct	11 ms	200 KB	Output is partially correct
44	Partially correct	11 ms	296 KB	Output is partially correct
45	Partially correct	11 ms	200 KB	Output is partially correct
46	Partially correct	10 ms	200 KB	Output is partially correct
47	Partially correct	9 ms	300 KB	Output is partially correct
48	Partially correct	12 ms	200 KB	Output is partially correct
49	Partially correct	8 ms	300 KB	Output is partially correct
50	Partially correct	12 ms	200 KB	Output is partially correct
51	Partially correct	9 ms	200 KB	Output is partially correct
52	Partially correct	9 ms	200 KB	Output is partially correct
53	Partially correct	9 ms	304 KB	Output is partially correct
54	Partially correct	10 ms	200 KB	Output is partially correct
55	Partially correct	10 ms	200 KB	Output is partially correct
56	Partially correct	12 ms	200 KB	Output is partially correct
57	Partially correct	9 ms	200 KB	Output is partially correct
58	Partially correct	12 ms	200 KB	Output is partially correct
59	Partially correct	11 ms	200 KB	Output is partially correct
60	Partially correct	9 ms	200 KB	Output is partially correct
61	Partially correct	12 ms	200 KB	Output is partially correct
62	Correct	1 ms	200 KB	Output is correct
63	Correct	1 ms	200 KB	Output is correct
64	Correct	1 ms	200 KB	Output is correct
65	Correct	1 ms	200 KB	Output is correct
66	Correct	1 ms	200 KB	Output is correct
67	Correct	1 ms	200 KB	Output is correct
68	Correct	1 ms	200 KB	Output is correct
69	Correct	1 ms	200 KB	Output is correct
70	Correct	1 ms	200 KB	Output is correct
71	Correct	1 ms	200 KB	Output is correct
72	Correct	1 ms	200 KB	Output is correct
73	Correct	1 ms	200 KB	Output is correct
74	Correct	1 ms	200 KB	Output is correct
75	Correct	1 ms	200 KB	Output is correct
76	Correct	1 ms	200 KB	Output is correct
77	Correct	1 ms	200 KB	Output is correct
78	Correct	1 ms	200 KB	Output is correct
79	Correct	1 ms	200 KB	Output is correct
80	Correct	1 ms	200 KB	Output is correct
81	Correct	2 ms	200 KB	Output is correct
82	Correct	1 ms	200 KB	Output is correct
83	Correct	1 ms	200 KB	Output is correct
84	Correct	1 ms	200 KB	Output is correct
85	Correct	1 ms	200 KB	Output is correct
86	Correct	1 ms	200 KB	Output is correct
87	Correct	1 ms	200 KB	Output is correct
88	Correct	1 ms	200 KB	Output is correct
89	Correct	1 ms	200 KB	Output is correct
90	Correct	1 ms	200 KB	Output is correct
91	Correct	1 ms	200 KB	Output is correct