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Submission #599483

# Submission time Handle Problem Language Result Execution time Memory
599483 2022-07-19T14:32:27 Z alontanay Counting Mushrooms (IOI20_mushrooms) C++14
80.7143 / 100
 10 ms 468 KB 
#include <bits/stdc++.h>
#include "mushrooms.h"

using namespace std;

int count_mushrooms(int n) {
    if(n == 2) {
        return 2-use_machine({0,1});
    }
    bool swp = false;
	vector<int> as = {0};
    vector<int> bs;
    int res = 0;
    int idx = 0;
    while(idx < n - 1) {
        if(bs.size() > as.size()) {
            swp = !swp;
			swap(as,bs);
        }
        int sz = as.size();
        if(idx + sz >= n) {
            vector<int> m;
			for(int j = 0; idx < n - 1; j ++) {
				m.push_back(as[j]);
				m.push_back(++idx);
			}
			int x = use_machine(m);
			if(x&1) {
				bs.push_back(idx);
			} else {
				as.push_back(idx);
			}
			if(swp) {
				res += (x)/2;
			} else {
				res += ((m.size()/2) - 1)-(x)/2;
			}
			break;
        }
        vector<int> m;
        for(int j = 0; j < sz; j ++) {
            m.push_back(as[j]);
            m.push_back(++idx);
        }
        int x = use_machine(m);
        if(x&1) {
            bs.push_back(idx);
        } else {
            as.push_back(idx);
        }
        if(swp) {
            res += (x)/2;
        } else {
            res += ((m.size()/2) - 1)-(x)/2;
        }
    }
    return res + (swp?bs.size():as.size());
}

Subtask #1
80.7143 / 100.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 208 KB Output is correct
2 Correct 0 ms 208 KB Output is correct
3 Correct 0 ms 208 KB Output is correct
4 Correct 1 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 7 ms 316 KB Output is correct
8 Correct 5 ms 328 KB Output is correct
9 Correct 5 ms 348 KB Output is correct
10 Partially correct 6 ms 336 KB Output is partially correct
11 Partially correct 6 ms 328 KB Output is partially correct
12 Partially correct 6 ms 336 KB Output is partially correct
13 Correct 6 ms 296 KB Output is correct
14 Correct 5 ms 316 KB Output is correct
15 Partially correct 9 ms 336 KB Output is partially correct
16 Partially correct 10 ms 208 KB Output is partially correct
17 Correct 6 ms 336 KB Output is correct
18 Correct 9 ms 336 KB Output is correct
19 Partially correct 6 ms 340 KB Output is partially correct
20 Partially correct 6 ms 336 KB Output is partially correct
21 Partially correct 8 ms 208 KB Output is partially correct
22 Partially correct 7 ms 316 KB Output is partially correct
23 Correct 7 ms 336 KB Output is correct
24 Correct 4 ms 324 KB Output is correct
25 Partially correct 7 ms 336 KB Output is partially correct
26 Partially correct 6 ms 320 KB Output is partially correct
27 Partially correct 7 ms 332 KB Output is partially correct
28 Partially correct 8 ms 208 KB Output is partially correct
29 Partially correct 5 ms 344 KB Output is partially correct
30 Partially correct 7 ms 336 KB Output is partially correct
31 Partially correct 7 ms 320 KB Output is partially correct
32 Partially correct 6 ms 324 KB Output is partially correct
33 Partially correct 6 ms 336 KB Output is partially correct
34 Partially correct 7 ms 328 KB Output is partially correct
35 Partially correct 8 ms 208 KB Output is partially correct
36 Partially correct 7 ms 336 KB Output is partially correct
37 Partially correct 10 ms 208 KB Output is partially correct
38 Partially correct 6 ms 336 KB Output is partially correct
39 Partially correct 7 ms 332 KB Output is partially correct
40 Partially correct 6 ms 336 KB Output is partially correct
41 Partially correct 7 ms 336 KB Output is partially correct
42 Partially correct 8 ms 316 KB Output is partially correct
43 Partially correct 7 ms 336 KB Output is partially correct
44 Partially correct 9 ms 316 KB Output is partially correct
45 Partially correct 7 ms 336 KB Output is partially correct
46 Partially correct 7 ms 336 KB Output is partially correct
47 Partially correct 10 ms 316 KB Output is partially correct
48 Partially correct 8 ms 344 KB Output is partially correct
49 Partially correct 8 ms 328 KB Output is partially correct
50 Partially correct 7 ms 468 KB Output is partially correct
51 Partially correct 7 ms 316 KB Output is partially correct
52 Partially correct 7 ms 328 KB Output is partially correct
53 Partially correct 8 ms 320 KB Output is partially correct
54 Partially correct 6 ms 336 KB Output is partially correct
55 Partially correct 8 ms 308 KB Output is partially correct
56 Partially correct 7 ms 324 KB Output is partially correct
57 Partially correct 7 ms 328 KB Output is partially correct
58 Partially correct 7 ms 344 KB Output is partially correct
59 Partially correct 6 ms 324 KB Output is partially correct
60 Partially correct 8 ms 340 KB Output is partially correct
61 Partially correct 6 ms 336 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 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 300 KB Output is correct
68 Correct 1 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 1 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 0 ms 208 KB Output is correct
78 Correct 1 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 1 ms 208 KB Output is correct
82 Correct 1 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 300 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 1 ms 208 KB Output is correct