#include "mushrooms.h"
#include<bits/stdc++.h>
using namespace std;
using ll = int;
#define pll pair <ll,ll>
#define fi first
#define se second
#define MP make_pair
#define sz(a) (ll((a).size()))
#define BIT(mask,i) (((mask) >> (i))&1)
#define MASK(i) (1LL<<(i))
ll use(vector <ll> tmp){
// for (auto x:tmp)cout<<x<<' ';
// cout<<endl;
return use_machine(tmp);
}
int count_mushrooms(int n) {
if (n<=5){
ll res = 1;
for (ll i = 1;i < n;i ++)if (use({0,i})==0)res++;
return res;
}
vector <ll> c[2];
c[0].push_back(0);
c[use({0,1})].push_back(1);
c[use({0,2})].push_back(2);
{
ll id = 0;
if (sz(c[1]) > sz(c[0]))id = 1;
ll tmp = use({3,c[id][0],4,c[id][1]});
c[id ^ (tmp%2)].push_back(3);
c[id ^ (tmp/2)].push_back(4);
}
// for (auto x:c[0])cout<<x<<' ';
// cout<<'\n';
// for (auto x:c[1])cout<<x<<' ';
// cout<<'\n';
ll ptr = 5;
ll res = 0;
while (ptr < n){
if (max(sz(c[0]),sz(c[1])) >= 100){
ll id = 0;
if (sz(c[1]) > sz(c[0]))id = 1;
vector <ll> tmp;
for (ll j = 0;j < sz(c[id]) && ptr < n;j ++,ptr++){
tmp.push_back(c[id][j]);
tmp.push_back(ptr);
}
ll cur = use(tmp);
if (cur%2)c[1-id].push_back(tmp.back());
else c[id].push_back(tmp.back());
if (id==1)res += cur/2;
else res += sz(tmp)/2 - (cur/2+1);
}
else{
ll id = 0;
if (sz(c[1]) > sz(c[0]))id = 1;
if (ptr + 4 < n){
ll tmp = use({ptr,c[id][0],ptr+1,c[id][1],ptr+2,c[id][2]});
c[id^BIT(tmp,0)].push_back(ptr);
tmp-=tmp%2;
// cout<<tmp<<endl;
if (tmp==2){
if (sz(c[1-id]) < 2){
tmp = use({ptr+1,c[id][0],ptr+2,c[id][1]});
c[id ^ BIT(tmp,0)].push_back(ptr+1);
c[id ^ BIT(tmp,1)].push_back(ptr+2);
ptr+=3;
}
else{
tmp = use({c[!id][0],ptr+1,c[!id][1],c[id][0],ptr+2,c[id][1],ptr+3,c[id][2],ptr+4});
tmp--;
// cout<<ptr<<' '<<tmp<<' '<<id<<endl;
c[id^BIT(tmp,0)].push_back(ptr+4);
c[id^BIT(tmp,1)].push_back(ptr+3);
c[id^BIT(tmp,2)].push_back(ptr+2);
c[1^id^BIT(tmp,2)].push_back(ptr+1);
ptr+=5;
}
}
else{
c[id^(tmp>0)].push_back(ptr+1);
c[id^(tmp>0)].push_back(ptr+2);
ptr+=3;
}
}
else if (ptr + 1 < n){
ll tmp = use({ptr,c[id][0],ptr+1,c[id][1]});
c[id ^ BIT(tmp,0)].push_back(ptr);
c[id ^ BIT(tmp,1)].push_back(ptr+1);
ptr+=2;
}
else{
c[use({0,ptr})].push_back(ptr);
ptr++;
}
}
}
// for (auto x:c[0])cout<<x<<' ';
// cout<<'\n';
// for (auto x:c[1])cout<<x<<' ';
// cout<<'\n';
res += sz(c[0]);
return res;
}
| # |
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 |
2 ms |
344 KB |
Output is correct |
| 7 |
Correct |
3 ms |
444 KB |
Output is correct |
| 8 |
Correct |
3 ms |
344 KB |
Output is correct |
| 9 |
Correct |
3 ms |
344 KB |
Output is correct |
| 10 |
Correct |
4 ms |
344 KB |
Output is correct |
| 11 |
Correct |
3 ms |
344 KB |
Output is correct |
| 12 |
Correct |
5 ms |
344 KB |
Output is correct |
| 13 |
Correct |
3 ms |
344 KB |
Output is correct |
| 14 |
Correct |
2 ms |
456 KB |
Output is correct |
| 15 |
Correct |
4 ms |
344 KB |
Output is correct |
| 16 |
Correct |
3 ms |
596 KB |
Output is correct |
| 17 |
Correct |
4 ms |
344 KB |
Output is correct |
| 18 |
Correct |
4 ms |
344 KB |
Output is correct |
| 19 |
Correct |
3 ms |
344 KB |
Output is correct |
| 20 |
Correct |
4 ms |
344 KB |
Output is correct |
| 21 |
Correct |
4 ms |
344 KB |
Output is correct |
| 22 |
Correct |
3 ms |
344 KB |
Output is correct |
| 23 |
Correct |
5 ms |
344 KB |
Output is correct |
| 24 |
Correct |
4 ms |
344 KB |
Output is correct |
| 25 |
Correct |
3 ms |
464 KB |
Output is correct |
| 26 |
Correct |
5 ms |
344 KB |
Output is correct |
| 27 |
Correct |
3 ms |
344 KB |
Output is correct |
| 28 |
Correct |
3 ms |
344 KB |
Output is correct |
| 29 |
Correct |
3 ms |
344 KB |
Output is correct |
| 30 |
Correct |
3 ms |
344 KB |
Output is correct |
| 31 |
Correct |
3 ms |
344 KB |
Output is correct |
| 32 |
Correct |
6 ms |
344 KB |
Output is correct |
| 33 |
Correct |
4 ms |
344 KB |
Output is correct |
| 34 |
Correct |
3 ms |
344 KB |
Output is correct |
| 35 |
Correct |
4 ms |
460 KB |
Output is correct |
| 36 |
Correct |
3 ms |
344 KB |
Output is correct |
| 37 |
Correct |
3 ms |
464 KB |
Output is correct |
| 38 |
Correct |
4 ms |
344 KB |
Output is correct |
| 39 |
Correct |
3 ms |
600 KB |
Output is correct |
| 40 |
Correct |
3 ms |
344 KB |
Output is correct |
| 41 |
Correct |
4 ms |
348 KB |
Output is correct |
| 42 |
Correct |
6 ms |
344 KB |
Output is correct |
| 43 |
Correct |
4 ms |
344 KB |
Output is correct |
| 44 |
Correct |
4 ms |
464 KB |
Output is correct |
| 45 |
Correct |
4 ms |
344 KB |
Output is correct |
| 46 |
Correct |
3 ms |
344 KB |
Output is correct |
| 47 |
Correct |
4 ms |
468 KB |
Output is correct |
| 48 |
Correct |
4 ms |
460 KB |
Output is correct |
| 49 |
Correct |
3 ms |
344 KB |
Output is correct |
| 50 |
Correct |
3 ms |
344 KB |
Output is correct |
| 51 |
Correct |
6 ms |
456 KB |
Output is correct |
| 52 |
Correct |
4 ms |
344 KB |
Output is correct |
| 53 |
Correct |
5 ms |
460 KB |
Output is correct |
| 54 |
Correct |
4 ms |
344 KB |
Output is correct |
| 55 |
Correct |
4 ms |
344 KB |
Output is correct |
| 56 |
Correct |
4 ms |
468 KB |
Output is correct |
| 57 |
Correct |
4 ms |
344 KB |
Output is correct |
| 58 |
Correct |
5 ms |
344 KB |
Output is correct |
| 59 |
Correct |
6 ms |
348 KB |
Output is correct |
| 60 |
Correct |
6 ms |
344 KB |
Output is correct |
| 61 |
Correct |
6 ms |
452 KB |
Output is correct |
| 62 |
Correct |
0 ms |
344 KB |
Output is correct |
| 63 |
Correct |
0 ms |
352 KB |
Output is correct |
| 64 |
Correct |
0 ms |
344 KB |
Output is correct |
| 65 |
Correct |
0 ms |
344 KB |
Output is correct |
| 66 |
Correct |
1 ms |
348 KB |
Output is correct |
| 67 |
Correct |
0 ms |
344 KB |
Output is correct |
| 68 |
Correct |
0 ms |
340 KB |
Output is correct |
| 69 |
Correct |
0 ms |
344 KB |
Output is correct |
| 70 |
Correct |
1 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 |
1 ms |
344 KB |
Output is correct |
| 84 |
Correct |
1 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 |
0 ms |
344 KB |
Output is correct |
| 91 |
Correct |
0 ms |
344 KB |
Output is correct |
