#include "mushrooms.h"
#include <bits/stdc++.h>
using namespace std;
// macros
typedef long long ll;
typedef long double ld;
typedef pair<int, int> ii;
typedef pair<ll, ll> lll;
typedef tuple<int, int, int> iii;
typedef vector<int> vi;
typedef vector<ii> vii;
typedef vector<iii> viii;
typedef vector<ll> vll;
typedef vector<lll> vlll;
#define REP(a,b,c) for(int a=int(b); a<int(c); a++)
#define RE(a,c) REP(a,0,c)
#define RE1(a,c) REP(a,1,c+1)
#define REI(a,b,c) REP(a,b,c+1)
#define REV(a,b,c) for(int a=int(c-1); a>=int(b); a--)
#define FOR(a,b) for(auto& a : b)
#define all(a) a.begin(), a.end()
#define INF 1e9
#define EPS 1e-9
#define pb push_back
#define popb pop_back
#define fi first
#define se second
#define sz size()
int mx=140;
int count_mushrooms(int n) {
if(n <= 227) {
int ans = 1;
REP(i,1,n) ans += 1-use_machine({0,i});
return ans;
}
int cur = 0;
vi a[2]; bool swp = 0;
a[0].pb(cur++);
// A_
while(a[0].size() < 2 && a[1].size() < 2) {
a[use_machine({a[0][0], cur})].pb(cur);
cur++;
}
if(a[1].size() > a[0].size()) swap(a[0],a[1]), swp^=1;
// A_A_
while(a[0].size() < 3 && a[1].size() < 3) {
vi m;
m.pb(a[0][0]);
m.pb(cur);
m.pb(a[0][1]);
m.pb(cur+1);
int res = use_machine(m);
a[(res&2)==2].pb(cur);
a[(res&1)==1].pb(cur+1);
cur += 2;
}
if(a[1].size() > a[0].size()) swap(a[0],a[1]), swp^=1;
// A_A_A_ => A_A_
while(a[0].size() < mx && a[1].size() < 2) {
vi m;
m.pb(a[0][0]);
m.pb(cur);
m.pb(a[0][1]);
m.pb(cur+1);
m.pb(a[0][2]);
m.pb(cur+2);
int res = use_machine(m);
a[(res&1)==1].pb(cur+2);
if(res&2) {
m.clear();
m.pb(a[0][0]);
m.pb(cur);
m.pb(a[0][1]);
m.pb(cur+1);
res = use_machine(m);
a[(res&2)==2].pb(cur);
a[(res&1)==1].pb(cur+1);
} else {
a[(res&4)==4].pb(cur );
a[(res&4)==4].pb(cur+1);
}
cur += 3;
if(a[1].size() > a[0].size()) swap(a[0],a[1]), swp^=1;
}
// A_A_A_ => B_BA_A_A_
while(a[0].size() < mx && a[1].size() < mx) {
vi m;
m.pb(a[0][0]);
m.pb(cur);
m.pb(a[0][1]);
m.pb(cur+1);
m.pb(a[0][2]);
m.pb(cur+2);
int res = use_machine(m);
a[(res&1)==1].pb(cur+2);
if(res&2) {
m.clear();
m.pb(a[1][0]);
m.pb(cur);
m.pb(a[1][1]);
m.pb(a[0][0]);
m.pb(cur+1);
m.pb(a[0][1]);
m.pb(cur+3);
m.pb(a[0][2]);
m.pb(cur+4);
res = use_machine(m)-1;
a[(res&2)==2].pb(cur+3);
a[(res&1)==1].pb(cur+4);
if(res&4) {
a[0].pb(cur);
a[1].pb(cur+1);
} else {
a[1].pb(cur);
a[0].pb(cur+1);
}
cur += 5;
} else {
a[(res&4)==4].pb(cur+1);
a[(res&4)==4].pb(cur );
cur += 3;
}
}
if(a[1].size() > a[0].size()) swap(a[0],a[1]), swp^=1;
int ans = a[0].size();
while(cur < n) {
vi m;
FOR(i,a[0]) {
m.pb(i);
m.pb(cur++);
if(cur == n) break;
}
ans += m.size()/2 - (use_machine(m)+1)/2;
}
if(swp) ans = n-ans;
return ans;
}
Compilation message
mushrooms.cpp: In function 'int count_mushrooms(int)':
mushrooms.cpp:65:23: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
65 | while(a[0].size() < mx && a[1].size() < 2) {
| ~~~~~~~~~~~~^~~~
mushrooms.cpp:93:23: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
93 | while(a[0].size() < mx && a[1].size() < mx) {
| ~~~~~~~~~~~~^~~~
mushrooms.cpp:93:43: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
93 | while(a[0].size() < mx && a[1].size() < mx) {
| ~~~~~~~~~~~~^~~~
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
256 KB |
Output is correct |
2 |
Correct |
0 ms |
256 KB |
Output is correct |
3 |
Correct |
1 ms |
256 KB |
Output is correct |
4 |
Correct |
0 ms |
256 KB |
Output is correct |
5 |
Correct |
2 ms |
256 KB |
Output is correct |
6 |
Correct |
2 ms |
256 KB |
Output is correct |
7 |
Correct |
7 ms |
256 KB |
Output is correct |
8 |
Correct |
7 ms |
256 KB |
Output is correct |
9 |
Correct |
9 ms |
256 KB |
Output is correct |
10 |
Correct |
6 ms |
256 KB |
Output is correct |
11 |
Partially correct |
7 ms |
384 KB |
Output is partially correct |
12 |
Correct |
7 ms |
256 KB |
Output is correct |
13 |
Correct |
7 ms |
256 KB |
Output is correct |
14 |
Correct |
5 ms |
256 KB |
Output is correct |
15 |
Partially correct |
7 ms |
376 KB |
Output is partially correct |
16 |
Partially correct |
6 ms |
372 KB |
Output is partially correct |
17 |
Correct |
5 ms |
256 KB |
Output is correct |
18 |
Correct |
7 ms |
384 KB |
Output is correct |
19 |
Partially correct |
7 ms |
256 KB |
Output is partially correct |
20 |
Correct |
7 ms |
256 KB |
Output is correct |
21 |
Correct |
9 ms |
256 KB |
Output is correct |
22 |
Partially correct |
8 ms |
256 KB |
Output is partially correct |
23 |
Correct |
9 ms |
256 KB |
Output is correct |
24 |
Correct |
4 ms |
256 KB |
Output is correct |
25 |
Partially correct |
7 ms |
256 KB |
Output is partially correct |
26 |
Partially correct |
6 ms |
372 KB |
Output is partially correct |
27 |
Partially correct |
7 ms |
256 KB |
Output is partially correct |
28 |
Partially correct |
7 ms |
384 KB |
Output is partially correct |
29 |
Partially correct |
10 ms |
256 KB |
Output is partially correct |
30 |
Partially correct |
7 ms |
384 KB |
Output is partially correct |
31 |
Partially correct |
10 ms |
256 KB |
Output is partially correct |
32 |
Partially correct |
7 ms |
384 KB |
Output is partially correct |
33 |
Partially correct |
9 ms |
256 KB |
Output is partially correct |
34 |
Partially correct |
9 ms |
256 KB |
Output is partially correct |
35 |
Partially correct |
7 ms |
256 KB |
Output is partially correct |
36 |
Partially correct |
7 ms |
256 KB |
Output is partially correct |
37 |
Partially correct |
7 ms |
256 KB |
Output is partially correct |
38 |
Partially correct |
7 ms |
256 KB |
Output is partially correct |
39 |
Partially correct |
10 ms |
256 KB |
Output is partially correct |
40 |
Partially correct |
8 ms |
256 KB |
Output is partially correct |
41 |
Partially correct |
9 ms |
256 KB |
Output is partially correct |
42 |
Partially correct |
7 ms |
380 KB |
Output is partially correct |
43 |
Partially correct |
8 ms |
256 KB |
Output is partially correct |
44 |
Partially correct |
8 ms |
384 KB |
Output is partially correct |
45 |
Partially correct |
8 ms |
256 KB |
Output is partially correct |
46 |
Partially correct |
8 ms |
384 KB |
Output is partially correct |
47 |
Partially correct |
8 ms |
256 KB |
Output is partially correct |
48 |
Partially correct |
8 ms |
256 KB |
Output is partially correct |
49 |
Partially correct |
10 ms |
384 KB |
Output is partially correct |
50 |
Partially correct |
7 ms |
384 KB |
Output is partially correct |
51 |
Partially correct |
9 ms |
384 KB |
Output is partially correct |
52 |
Partially correct |
7 ms |
256 KB |
Output is partially correct |
53 |
Partially correct |
10 ms |
256 KB |
Output is partially correct |
54 |
Partially correct |
7 ms |
256 KB |
Output is partially correct |
55 |
Partially correct |
7 ms |
256 KB |
Output is partially correct |
56 |
Partially correct |
8 ms |
384 KB |
Output is partially correct |
57 |
Partially correct |
9 ms |
256 KB |
Output is partially correct |
58 |
Partially correct |
8 ms |
256 KB |
Output is partially correct |
59 |
Partially correct |
8 ms |
384 KB |
Output is partially correct |
60 |
Partially correct |
8 ms |
256 KB |
Output is partially correct |
61 |
Partially correct |
7 ms |
256 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 |
1 ms |
256 KB |
Output is correct |
65 |
Correct |
0 ms |
256 KB |
Output is correct |
66 |
Correct |
0 ms |
256 KB |
Output is correct |
67 |
Correct |
0 ms |
256 KB |
Output is correct |
68 |
Correct |
1 ms |
256 KB |
Output is correct |
69 |
Correct |
0 ms |
256 KB |
Output is correct |
70 |
Correct |
0 ms |
256 KB |
Output is correct |
71 |
Correct |
1 ms |
256 KB |
Output is correct |
72 |
Correct |
0 ms |
256 KB |
Output is correct |
73 |
Correct |
1 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 |
1 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 |
1 ms |
256 KB |
Output is correct |
84 |
Correct |
0 ms |
256 KB |
Output is correct |
85 |
Correct |
1 ms |
256 KB |
Output is correct |
86 |
Correct |
1 ms |
256 KB |
Output is correct |
87 |
Correct |
0 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 |