oj.uz

Submission #304212

# Submission time Handle Problem Language Result Execution time Memory
304212 2020-09-21T04:31:06 Z juggernaut Counting Mushrooms (IOI20_mushrooms) C++14
80.7143 / 100
 12 ms 544 KB 
#include"mushrooms.h"
#include<bits/stdc++.h>
//#include"stub.cpp"
using namespace std;
int count_mushrooms(int n){
    vector<int>a,b,id;
    int i=1,res=1,j;
    for(;i<n;i++)id.push_back(i);
    shuffle(id.begin(),id.end(),default_random_engine(chrono::system_clock::now().time_since_epoch().count()));
    i=1;
    a.push_back(0);
    while(i<n){
        if(a.size()>b.size()){
            vector<int>v;
            for(j=0;j<a.size()&&i+j<n;j++){
                v.push_back(a[j]);
                v.push_back(id[i+j-1]);
            }
            i+=j;
            j=use_machine(v);
            if(j&1)b.push_back(v.back());
            else a.push_back(v.back());
            j++;
            j>>=1;
            res+=(((int(v.size()))>>1))-j;
        }else{
            vector<int>v;
            for(j=0;j<b.size()&&i+j<n;j++){
                v.push_back(b[j]);
                v.push_back(id[i+j-1]);
            }
            i+=j;
            j=use_machine(v);
            if(j&1)a.push_back(v.back());
            else b.push_back(v.back());
            j++;
            j>>=1;
            res+=j;
        }
    }
    return res;
}

Compilation message

mushrooms.cpp: In function 'int count_mushrooms(int)':
mushrooms.cpp:15:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   15 |             for(j=0;j<a.size()&&i+j<n;j++){
      |                     ~^~~~~~~~~
mushrooms.cpp:28:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   28 |             for(j=0;j<b.size()&&i+j<n;j++){
      |                     ~^~~~~~~~~

Subtask #1
80.7143 / 100.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 288 KB Output is correct
2 Correct 1 ms 256 KB Output is correct
3 Correct 1 ms 256 KB Output is correct
4 Correct 1 ms 256 KB Output is correct
5 Correct 1 ms 256 KB Output is correct
6 Correct 2 ms 384 KB Output is correct
7 Correct 7 ms 512 KB Output is correct
8 Correct 7 ms 512 KB Output is correct
9 Correct 7 ms 512 KB Output is correct
10 Partially correct 10 ms 512 KB Output is partially correct
11 Partially correct 8 ms 512 KB Output is partially correct
12 Partially correct 8 ms 512 KB Output is partially correct
13 Correct 9 ms 512 KB Output is correct
14 Correct 5 ms 384 KB Output is correct
15 Partially correct 8 ms 512 KB Output is partially correct
16 Partially correct 8 ms 512 KB Output is partially correct
17 Correct 6 ms 384 KB Output is correct
18 Correct 11 ms 512 KB Output is correct
19 Partially correct 10 ms 512 KB Output is partially correct
20 Partially correct 8 ms 512 KB Output is partially correct
21 Partially correct 8 ms 512 KB Output is partially correct
22 Partially correct 11 ms 512 KB Output is partially correct
23 Correct 10 ms 512 KB Output is correct
24 Correct 5 ms 384 KB Output is correct
25 Partially correct 8 ms 512 KB Output is partially correct
26 Partially correct 8 ms 512 KB Output is partially correct
27 Partially correct 12 ms 512 KB Output is partially correct
28 Partially correct 8 ms 512 KB Output is partially correct
29 Partially correct 8 ms 512 KB Output is partially correct
30 Partially correct 9 ms 512 KB Output is partially correct
31 Partially correct 11 ms 512 KB Output is partially correct
32 Partially correct 9 ms 512 KB Output is partially correct
33 Partially correct 8 ms 512 KB Output is partially correct
34 Partially correct 8 ms 512 KB Output is partially correct
35 Partially correct 9 ms 512 KB Output is partially correct
36 Partially correct 7 ms 544 KB Output is partially correct
37 Partially correct 10 ms 512 KB Output is partially correct
38 Partially correct 9 ms 512 KB Output is partially correct
39 Partially correct 8 ms 512 KB Output is partially correct
40 Partially correct 8 ms 512 KB Output is partially correct
41 Partially correct 9 ms 512 KB Output is partially correct
42 Partially correct 7 ms 512 KB Output is partially correct
43 Partially correct 8 ms 512 KB Output is partially correct
44 Partially correct 7 ms 512 KB Output is partially correct
45 Partially correct 8 ms 512 KB Output is partially correct
46 Partially correct 9 ms 512 KB Output is partially correct
47 Partially correct 10 ms 512 KB Output is partially correct
48 Partially correct 8 ms 512 KB Output is partially correct
49 Partially correct 7 ms 512 KB Output is partially correct
50 Partially correct 8 ms 512 KB Output is partially correct
51 Partially correct 12 ms 512 KB Output is partially correct
52 Partially correct 8 ms 512 KB Output is partially correct
53 Partially correct 9 ms 512 KB Output is partially correct
54 Partially correct 8 ms 512 KB Output is partially correct
55 Partially correct 8 ms 512 KB Output is partially correct
56 Partially correct 8 ms 512 KB Output is partially correct
57 Partially correct 8 ms 512 KB Output is partially correct
58 Partially correct 8 ms 512 KB Output is partially correct
59 Partially correct 8 ms 512 KB Output is partially correct
60 Partially correct 8 ms 512 KB Output is partially correct
61 Partially correct 8 ms 512 KB Output is partially correct
62 Correct 0 ms 256 KB Output is correct
63 Correct 0 ms 256 KB Output is correct
64 Correct 0 ms 256 KB Output is correct
65 Correct 0 ms 256 KB Output is correct
66 Correct 1 ms 256 KB Output is correct
67 Correct 0 ms 256 KB Output is correct
68 Correct 0 ms 256 KB Output is correct
69 Correct 1 ms 384 KB Output is correct
70 Correct 1 ms 256 KB Output is correct
71 Correct 0 ms 256 KB Output is correct
72 Correct 1 ms 256 KB Output is correct
73 Correct 0 ms 256 KB Output is correct
74 Correct 0 ms 256 KB Output is correct
75 Correct 0 ms 256 KB Output is correct
76 Correct 0 ms 256 KB Output is correct
77 Correct 0 ms 256 KB Output is correct
78 Correct 0 ms 256 KB Output is correct
79 Correct 0 ms 256 KB Output is correct
80 Correct 0 ms 256 KB Output is correct
81 Correct 0 ms 256 KB Output is correct
82 Correct 0 ms 256 KB Output is correct
83 Correct 0 ms 256 KB Output is correct
84 Correct 0 ms 256 KB Output is correct
85 Correct 0 ms 256 KB Output is correct
86 Correct 0 ms 256 KB Output is correct
87 Correct 1 ms 256 KB Output is correct
88 Correct 0 ms 256 KB Output is correct
89 Correct 0 ms 256 KB Output is correct
90 Correct 0 ms 256 KB Output is correct
91 Correct 0 ms 256 KB Output is correct