oj.uz

Submission #884764

# Submission time Handle Problem Language Result Execution time Memory
884764 2023-12-08T11:35:11 Z weajink Counting Mushrooms (IOI20_mushrooms) C++17
76.8707 / 100
 7 ms 1072 KB 
#include "mushrooms.h"
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
#ifdef LOCAL
#define debug(...) __VA_ARGS__
#else
#define debug(...) {}
#endif
int znajdz_czarny(int n){
    int p = 1;
    int k = n;
    int s;
    while (p < k){
        s = (p+k)/2;
        vector<int> zap;
        for (int i = 0; i <= s; i++) zap.push_back(i);
        if (!use_machine(zap)) p = s+1;
        else{
            k = s;
        }
    }
    s = (p+k)/2;
    return s;
}
int count_mushrooms(int n){
    vector<int> znane[2];
    znane[0].push_back(0);
    int czarny = znajdz_czarny(n);
    if (czarny == n) return n;
    znane[1].push_back(czarny);
    int wartosc[n];
    for (int i = 0; i < n; i++) wartosc[i] = i;
    swap(wartosc[1],wartosc[czarny]);
    int ile[2];
    ile[0] = 1;
    ile[1] = 1;
    int akt = 2;
    while (akt < n){
        bool better = (znane[0].size()<znane[1].size());
        int pt = 0;
        vector<int> zap;
        for (; akt < n && pt < znane[better].size();akt++, pt++){
            zap.push_back(znane[better][pt]);
            zap.push_back(wartosc[akt]);
        }
        int wy = use_machine(zap);
        if (wy%2) znane[!better].push_back(wartosc[akt-1]);
        else znane[better].push_back(wartosc[akt-1]);
        ile[better] += pt-(wy+1)/2;
        ile[!better] += (wy+1)/2;
    }
    return ile[0];
}

Compilation message

mushrooms.cpp: In function 'int count_mushrooms(int)':
mushrooms.cpp:43:30: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   43 |         for (; akt < n && pt < znane[better].size();akt++, pt++){
      |                           ~~~^~~~~~~~~~~~~~~~~~~~~~

Subtask #1
76.8707 / 100.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 0 ms 344 KB Output is correct
3 Correct 0 ms 344 KB Output is correct
4 Correct 0 ms 344 KB Output is correct
5 Correct 0 ms 448 KB Output is correct
6 Correct 1 ms 452 KB Output is correct
7 Correct 7 ms 616 KB Output is correct
8 Correct 6 ms 772 KB Output is correct
9 Correct 6 ms 812 KB Output is correct
10 Partially correct 6 ms 620 KB Output is partially correct
11 Partially correct 6 ms 772 KB Output is partially correct
12 Partially correct 6 ms 768 KB Output is partially correct
13 Correct 6 ms 772 KB Output is correct
14 Correct 4 ms 840 KB Output is correct
15 Partially correct 6 ms 620 KB Output is partially correct
16 Partially correct 6 ms 776 KB Output is partially correct
17 Correct 3 ms 500 KB Output is correct
18 Correct 6 ms 628 KB Output is correct
19 Partially correct 6 ms 768 KB Output is partially correct
20 Partially correct 6 ms 772 KB Output is partially correct
21 Partially correct 6 ms 624 KB Output is partially correct
22 Partially correct 6 ms 776 KB Output is partially correct
23 Partially correct 6 ms 628 KB Output is partially correct
24 Correct 3 ms 496 KB Output is correct
25 Partially correct 6 ms 620 KB Output is partially correct
26 Partially correct 6 ms 620 KB Output is partially correct
27 Partially correct 6 ms 548 KB Output is partially correct
28 Partially correct 6 ms 784 KB Output is partially correct
29 Partially correct 6 ms 804 KB Output is partially correct
30 Partially correct 6 ms 624 KB Output is partially correct
31 Partially correct 6 ms 860 KB Output is partially correct
32 Partially correct 6 ms 1028 KB Output is partially correct
33 Partially correct 6 ms 596 KB Output is partially correct
34 Partially correct 6 ms 1032 KB Output is partially correct
35 Partially correct 6 ms 596 KB Output is partially correct
36 Partially correct 6 ms 644 KB Output is partially correct
37 Partially correct 6 ms 1072 KB Output is partially correct
38 Partially correct 6 ms 764 KB Output is partially correct
39 Partially correct 7 ms 820 KB Output is partially correct
40 Partially correct 6 ms 776 KB Output is partially correct
41 Partially correct 7 ms 624 KB Output is partially correct
42 Partially correct 6 ms 772 KB Output is partially correct
43 Partially correct 6 ms 636 KB Output is partially correct
44 Partially correct 6 ms 620 KB Output is partially correct
45 Partially correct 6 ms 620 KB Output is partially correct
46 Partially correct 6 ms 620 KB Output is partially correct
47 Partially correct 6 ms 620 KB Output is partially correct
48 Partially correct 6 ms 772 KB Output is partially correct
49 Partially correct 6 ms 656 KB Output is partially correct
50 Partially correct 6 ms 576 KB Output is partially correct
51 Partially correct 6 ms 540 KB Output is partially correct
52 Partially correct 6 ms 768 KB Output is partially correct
53 Partially correct 7 ms 612 KB Output is partially correct
54 Partially correct 6 ms 548 KB Output is partially correct
55 Partially correct 6 ms 548 KB Output is partially correct
56 Partially correct 6 ms 624 KB Output is partially correct
57 Partially correct 7 ms 792 KB Output is partially correct
58 Partially correct 7 ms 620 KB Output is partially correct
59 Partially correct 7 ms 624 KB Output is partially correct
60 Partially correct 6 ms 808 KB Output is partially correct
61 Partially correct 6 ms 812 KB Output is partially correct
62 Correct 0 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 0 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 1 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 1 ms 596 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 388 KB Output is correct
85 Correct 1 ms 596 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 0 ms 344 KB Output is correct
90 Correct 0 ms 344 KB Output is correct
91 Correct 0 ms 344 KB Output is correct