Submission #1021329

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
1021329	2024-07-12T17:01:09 Z	Ahmed_Solyman	Counting Mushrooms (IOI20_mushrooms)	C++14	56.5 / 100	9 ms	600 KB

mushrooms

/*
In the name of Allah
made by: Ahmed_Solyman
*/
#include <bits/stdc++.h>

using namespace std;
typedef long long ll;

int use_machine(vector<int>x);
int count_mushrooms(int n){
    if(n<=226){
        int ret=1;
        for(int i=1;i<n;i++){
            ret+=1-use_machine({0,i});
        }
        return ret;
    }
    int ret=0,k=93;
    vector<int>v[2];
    v[0].push_back(0);
    for(int i=1;i<=2*k-2;i++){
        if(use_machine({0,i})==0)v[0].push_back(i);
        else v[1].push_back(i);
    }
    bool typ;
    vector<int>g;
    if(v[0].size()>=k){
        typ=0;
        for(int i=0;i<k;i++)g.push_back(v[0][i]);
    }
    else{
        typ=1;
        for(int i=0;i<k;i++)g.push_back(v[1][i]);
    }
    auto f=[&](int l,int r){
        vector<int>p;
        p.push_back(g[0]);
        for(int i=l;i<=r;i++){
            p.push_back(i);
            p.push_back(g[i-l+1]);
        }
        int g=use_machine(p);
        if(typ)return g/2;
        else return r-l+1-g/2;
    };
    ret=(int)v[0].size();
    int st=2*k-1;
    k--;
    for(int i=st;i<n;i+=k){
        ret+=f(i,min(i+k-1,n-1));
    }
    return ret;
}

Compilation message

mushrooms.cpp: In function 'int count_mushrooms(int)':
mushrooms.cpp:28:19: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   28 |     if(v[0].size()>=k){
      |        ~~~~~~~~~~~^~~

Subtask #1
56.5 / 100.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 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	2 ms	344 KB	Output is correct
6	Correct	2 ms	344 KB	Output is correct
7	Partially correct	6 ms	596 KB	Output is partially correct
8	Partially correct	7 ms	344 KB	Output is partially correct
9	Partially correct	6 ms	344 KB	Output is partially correct
10	Partially correct	4 ms	600 KB	Output is partially correct
11	Partially correct	5 ms	344 KB	Output is partially correct
12	Partially correct	5 ms	344 KB	Output is partially correct
13	Partially correct	5 ms	344 KB	Output is partially correct
14	Partially correct	4 ms	344 KB	Output is partially correct
15	Partially correct	4 ms	344 KB	Output is partially correct
16	Partially correct	7 ms	344 KB	Output is partially correct
17	Partially correct	3 ms	344 KB	Output is partially correct
18	Partially correct	4 ms	344 KB	Output is partially correct
19	Partially correct	5 ms	344 KB	Output is partially correct
20	Partially correct	6 ms	344 KB	Output is partially correct
21	Partially correct	7 ms	444 KB	Output is partially correct
22	Partially correct	9 ms	340 KB	Output is partially correct
23	Partially correct	6 ms	344 KB	Output is partially correct
24	Partially correct	3 ms	344 KB	Output is partially correct
25	Partially correct	5 ms	344 KB	Output is partially correct
26	Partially correct	5 ms	344 KB	Output is partially correct
27	Partially correct	6 ms	344 KB	Output is partially correct
28	Partially correct	6 ms	344 KB	Output is partially correct
29	Partially correct	4 ms	344 KB	Output is partially correct
30	Partially correct	5 ms	344 KB	Output is partially correct
31	Partially correct	4 ms	344 KB	Output is partially correct
32	Partially correct	4 ms	344 KB	Output is partially correct
33	Partially correct	4 ms	344 KB	Output is partially correct
34	Partially correct	4 ms	344 KB	Output is partially correct
35	Partially correct	7 ms	344 KB	Output is partially correct
36	Partially correct	4 ms	344 KB	Output is partially correct
37	Partially correct	4 ms	344 KB	Output is partially correct
38	Partially correct	4 ms	444 KB	Output is partially correct
39	Partially correct	4 ms	344 KB	Output is partially correct
40	Partially correct	5 ms	344 KB	Output is partially correct
41	Partially correct	4 ms	344 KB	Output is partially correct
42	Partially correct	4 ms	344 KB	Output is partially correct
43	Partially correct	7 ms	344 KB	Output is partially correct
44	Partially correct	4 ms	344 KB	Output is partially correct
45	Partially correct	4 ms	344 KB	Output is partially correct
46	Partially correct	5 ms	344 KB	Output is partially correct
47	Partially correct	5 ms	344 KB	Output is partially correct
48	Partially correct	4 ms	344 KB	Output is partially correct
49	Partially correct	4 ms	344 KB	Output is partially correct
50	Partially correct	4 ms	344 KB	Output is partially correct
51	Partially correct	4 ms	344 KB	Output is partially correct
52	Partially correct	7 ms	344 KB	Output is partially correct
53	Partially correct	4 ms	344 KB	Output is partially correct
54	Partially correct	5 ms	344 KB	Output is partially correct
55	Partially correct	5 ms	344 KB	Output is partially correct
56	Partially correct	4 ms	344 KB	Output is partially correct
57	Partially correct	4 ms	344 KB	Output is partially correct
58	Partially correct	4 ms	344 KB	Output is partially correct
59	Partially correct	4 ms	344 KB	Output is partially correct
60	Partially correct	5 ms	344 KB	Output is partially correct
61	Partially correct	7 ms	344 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	0 ms	432 KB	Output is correct
67	Correct	1 ms	344 KB	Output is correct
68	Correct	1 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	1 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	1 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	1 ms	344 KB	Output is correct
85	Correct	1 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	344 KB	Output is correct
90	Correct	1 ms	344 KB	Output is correct
91	Correct	0 ms	344 KB	Output is correct

Submission #1021329

Compilation message

Subtask #1 56.5 / 100.0

Subtask #1
56.5 / 100.0