oj.uz

Submission #1073738

# Submission time Handle Problem Language Result Execution time Memory
1073738 2024-08-24T19:38:45 Z thatsgonzalez Counting Mushrooms (IOI20_mushrooms) C++14
80.7143 / 100
 7 ms 956 KB 
#include "mushrooms.h"
#include <bits/stdc++.h>
using namespace std;

#define pb push_back


int count_mushrooms(int n) {
	if(n==2){
		int res = use_machine({0,1});
		if(res) return 1;
		else return 2;
	}
	int ans = 1;
	vector<int> a; a.pb(0);
	vector<int> b; 

	int res = use_machine({0,1,2});

	if(res == 0){
		ans+=2;
		a.pb(1); a.pb(2);
	}
	else if(res == 2){
		ans++;
		a.pb(2); b.pb(1);
	}
	else{
		res = use_machine({0,1});
		if(res){
			b.pb(1); b.pb(2);
		}
		else{
			ans++;
			a.pb(1); b.pb(2);
		}
	}
	int ind = 3;
	while(ind<n){
		vector <int> q; int how = 0;
		if(a.size()>=b.size()){
			int begin = ind;
			for(int i = 0; i<a.size() and ind<n; i++){
				q.pb(ind); q.pb(a[i]); ind++; how++;
			}
			res = use_machine(q);
			if(res&1){
				b.pb(begin);
			}
			else a.pb(begin);
			ans += how-(res/2+(res&1));
		}
		else{
			int begin = ind;
			for(int i = 0; i<b.size() and ind<n; i++){
				q.pb(ind); q.pb(b[i]); ind++; how++;
			}
			res = use_machine(q);
			if(res&1) a.pb(begin);
			else b.pb(begin);
			ans += res/2 + (res&1);
		}	
	}

	return ans;
}

Compilation message

mushrooms.cpp: In function 'int count_mushrooms(int)':
mushrooms.cpp:43:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   43 |    for(int i = 0; i<a.size() and ind<n; i++){
      |                   ~^~~~~~~~~
mushrooms.cpp:55:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   55 |    for(int i = 0; i<b.size() and ind<n; i++){
      |                   ~^~~~~~~~~

Subtask #1
80.7143 / 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 344 KB Output is correct
6 Correct 1 ms 344 KB Output is correct
7 Correct 3 ms 344 KB Output is correct
8 Correct 3 ms 344 KB Output is correct
9 Correct 6 ms 344 KB Output is correct
10 Partially correct 3 ms 464 KB Output is partially correct
11 Partially correct 3 ms 344 KB Output is partially correct
12 Partially correct 4 ms 344 KB Output is partially correct
13 Correct 3 ms 600 KB Output is correct
14 Correct 2 ms 344 KB Output is correct
15 Partially correct 5 ms 476 KB Output is partially correct
16 Partially correct 4 ms 344 KB Output is partially correct
17 Correct 2 ms 344 KB Output is correct
18 Correct 5 ms 472 KB Output is correct
19 Partially correct 3 ms 344 KB Output is partially correct
20 Partially correct 4 ms 452 KB Output is partially correct
21 Partially correct 3 ms 344 KB Output is partially correct
22 Partially correct 4 ms 344 KB Output is partially correct
23 Correct 4 ms 344 KB Output is correct
24 Correct 2 ms 344 KB Output is correct
25 Partially correct 4 ms 600 KB Output is partially correct
26 Partially correct 4 ms 344 KB Output is partially correct
27 Partially correct 3 ms 344 KB Output is partially correct
28 Partially correct 4 ms 704 KB Output is partially correct
29 Partially correct 5 ms 600 KB Output is partially correct
30 Partially correct 4 ms 600 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 3 ms 344 KB Output is partially correct
34 Partially correct 5 ms 604 KB Output is partially correct
35 Partially correct 6 ms 344 KB Output is partially correct
36 Partially correct 4 ms 344 KB Output is partially correct
37 Partially correct 4 ms 480 KB Output is partially correct
38 Partially correct 3 ms 344 KB Output is partially correct
39 Partially correct 3 ms 344 KB Output is partially correct
40 Partially correct 5 ms 472 KB Output is partially correct
41 Partially correct 7 ms 344 KB Output is partially correct
42 Partially correct 3 ms 464 KB Output is partially correct
43 Partially correct 4 ms 344 KB Output is partially correct
44 Partially correct 5 ms 464 KB Output is partially correct
45 Partially correct 4 ms 344 KB Output is partially correct
46 Partially correct 4 ms 344 KB Output is partially correct
47 Partially correct 4 ms 344 KB Output is partially correct
48 Partially correct 3 ms 344 KB Output is partially correct
49 Partially correct 4 ms 956 KB Output is partially correct
50 Partially correct 4 ms 600 KB Output is partially correct
51 Partially correct 4 ms 344 KB Output is partially correct
52 Partially correct 4 ms 472 KB Output is partially correct
53 Partially correct 4 ms 344 KB Output is partially correct
54 Partially correct 3 ms 344 KB Output is partially correct
55 Partially correct 4 ms 712 KB Output is partially correct
56 Partially correct 4 ms 468 KB Output is partially correct
57 Partially correct 3 ms 444 KB Output is partially correct
58 Partially correct 3 ms 460 KB Output is partially correct
59 Partially correct 3 ms 344 KB Output is partially correct
60 Partially correct 3 ms 460 KB Output is partially correct
61 Partially correct 6 ms 344 KB Output is partially correct
62 Correct 0 ms 344 KB Output is correct
63 Correct 1 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 0 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 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 0 ms 344 KB Output is correct
85 Correct 0 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 0 ms 344 KB Output is correct
90 Correct 1 ms 344 KB Output is correct
91 Correct 1 ms 596 KB Output is correct