Submission #1062236

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
1062236	2024-08-16T22:26:04 Z	YassirSalama	Counting Mushrooms (IOI20_mushrooms)	C++17	0 / 100	72 ms	596 KB

mushrooms

#include "mushrooms.h"
#include<bits/stdc++.h>
using namespace std;
#define all(v) v.begin(),v.end()
#define mm use_machine
#define pb push_back
int calc(string s,vector<int> v){
	int ans=0;
    for(int i=0;i+1<(int)v.size();i++){
        if(s[v[i]]!=s[v[i+1]]) ans++;
    }
    return ans;
}
map<int,string> mp;
void make(string s){
	if(s.length()==4){
		mp[calc(s,{0,2,1,3})]=s;
		return;
	}
	make(s+'A');
	make(s+'B');

}
int count_mushrooms(int n) {
	int ans=0;
	string s;
	for(int i=0;i<n;i++) s+='?';
	s[0]='A';
	if(mm({0,1})) s[1]='B';
	else s[1]='A';
	if(mm({1,2})) s[2]=char(((s[1]-'A')^1)+'A');
	else s[2]=s[1];
	int i=0,j=0;
	for(int a=0;a<=2;a++){
		for(int b=a+1;b<=2;b++){
			if(s[a]==s[b]){
				i=a;
				j=b;
				break;
			}
		}
	}
	string t;
	t+=s[i];t+=s[j];
	make(t);
	for(int k=3;k<n;k+=2){
		if(k+1<n){
			int x=mm({i,k,j,k+1});
			string t = mp[x];
			s[k]=t[2];
			s[k+1]=t[3];
		}else{
			int x=mm({k,k-1});
			if(x){
				s[k]=char(((s[k-1]-'A')^1)+'A');
			}else s[k]=s[k-1];

		}
	}
	for(auto x:s){
		ans+=x=='A';
	}
	return ans;
}

Subtask #1

0 / 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	1 ms	344 KB	Output is correct
6	Partially correct	5 ms	344 KB	Output is partially correct
7	Partially correct	47 ms	344 KB	Output is partially correct
8	Partially correct	52 ms	464 KB	Output is partially correct
9	Partially correct	65 ms	344 KB	Output is partially correct
10	Partially correct	53 ms	480 KB	Output is partially correct
11	Partially correct	41 ms	468 KB	Output is partially correct
12	Partially correct	46 ms	464 KB	Output is partially correct
13	Partially correct	59 ms	468 KB	Output is partially correct
14	Partially correct	25 ms	344 KB	Output is partially correct
15	Partially correct	67 ms	468 KB	Output is partially correct
16	Partially correct	56 ms	464 KB	Output is partially correct
17	Partially correct	20 ms	344 KB	Output is partially correct
18	Partially correct	57 ms	464 KB	Output is partially correct
19	Partially correct	49 ms	464 KB	Output is partially correct
20	Partially correct	64 ms	464 KB	Output is partially correct
21	Partially correct	58 ms	468 KB	Output is partially correct
22	Partially correct	61 ms	468 KB	Output is partially correct
23	Partially correct	41 ms	468 KB	Output is partially correct
24	Partially correct	31 ms	344 KB	Output is partially correct
25	Partially correct	63 ms	468 KB	Output is partially correct
26	Partially correct	62 ms	480 KB	Output is partially correct
27	Partially correct	57 ms	464 KB	Output is partially correct
28	Partially correct	37 ms	468 KB	Output is partially correct
29	Partially correct	66 ms	464 KB	Output is partially correct
30	Partially correct	42 ms	472 KB	Output is partially correct
31	Partially correct	60 ms	472 KB	Output is partially correct
32	Partially correct	58 ms	468 KB	Output is partially correct
33	Partially correct	56 ms	596 KB	Output is partially correct
34	Partially correct	45 ms	592 KB	Output is partially correct
35	Partially correct	53 ms	468 KB	Output is partially correct
36	Partially correct	66 ms	472 KB	Output is partially correct
37	Partially correct	58 ms	464 KB	Output is partially correct
38	Partially correct	41 ms	464 KB	Output is partially correct
39	Partially correct	57 ms	464 KB	Output is partially correct
40	Partially correct	52 ms	592 KB	Output is partially correct
41	Partially correct	59 ms	468 KB	Output is partially correct
42	Partially correct	45 ms	468 KB	Output is partially correct
43	Partially correct	67 ms	468 KB	Output is partially correct
44	Partially correct	47 ms	344 KB	Output is partially correct
45	Partially correct	49 ms	592 KB	Output is partially correct
46	Partially correct	64 ms	468 KB	Output is partially correct
47	Partially correct	72 ms	464 KB	Output is partially correct
48	Partially correct	59 ms	592 KB	Output is partially correct
49	Partially correct	43 ms	464 KB	Output is partially correct
50	Partially correct	59 ms	464 KB	Output is partially correct
51	Partially correct	55 ms	464 KB	Output is partially correct
52	Partially correct	65 ms	592 KB	Output is partially correct
53	Partially correct	59 ms	468 KB	Output is partially correct
54	Partially correct	68 ms	468 KB	Output is partially correct
55	Partially correct	48 ms	592 KB	Output is partially correct
56	Partially correct	51 ms	468 KB	Output is partially correct
57	Partially correct	54 ms	464 KB	Output is partially correct
58	Partially correct	59 ms	468 KB	Output is partially correct
59	Partially correct	45 ms	592 KB	Output is partially correct
60	Partially correct	44 ms	476 KB	Output is partially correct
61	Partially correct	55 ms	592 KB	Output is partially correct
62	Incorrect	0 ms	344 KB	Invalid value 2 in the query array.
63	Halted	0 ms	0 KB	-