#include "mushrooms.h"
#include <bits/stdc++.h>
using namespace std;
#define pb push_back
int M=103;
int pop(vector<int> &v){
int x=v.back();
v.pop_back();
return x;
}
int count_mushrooms(int n){
vector<int> v[2],u;
v[0]={0};
for(int i=n-1;i>0;--i)u.pb(i);
if(n<=227){
while(!u.empty()){
int x=pop(u);
if(use_machine({0,x})==1)v[1].pb(x);
else v[0].pb(x);
}
return v[0].size();
}
//phase 1
for(int i=0;i<2;++i){
int x=pop(u);
if(use_machine({0,x})==1)v[1].pb(x);
else v[0].pb(x);
}
int i=0;
if(v[0].size()<2)i=1;
int x=pop(u),y=pop(u);
int res=use_machine({v[i][0],x,v[i][1],y});
if(res==0)v[i].pb(x),v[i].pb(y);
else if(res==1)v[i].pb(x),v[1-i].pb(y);
else if(res==2)v[1-i].pb(x),v[i].pb(y);
else v[1-i].pb(x),v[1-i].pb(y);
/*
printf("a: ");
for(int x:v[0])printf("%d ",x);
printf("\n");
printf("b: ");
for(int x:v[1])printf("%d ",x);
printf("\n");
*/
//phase 2
bool bad=false;
while(v[0].size()+v[1].size()<2*M-1){
int x=pop(u),y=pop(u),z=pop(u);
if(bad){//y and z are different
int i=0;
if(v[0].size()<3)i=1;
int res=use_machine({v[i][0],x,v[i][1],y,v[i][2],z});
if(res==0)v[i].pb(x),v[i].pb(y),v[i].pb(z);
else if(res==1)v[i].pb(x),v[i].pb(y),v[1-i].pb(z);
else if(res==2)v[i].pb(x),v[1-i].pb(y),v[i].pb(z);
else if(res==3)v[1-i].pb(x),v[i].pb(y),v[1-i].pb(z);
else if(res==4)v[1-i].pb(x),v[1-i].pb(y),v[i].pb(z);
else v[1-i].pb(x),v[1-i].pb(y),v[1-i].pb(z);
bad=false;
}
else{
int i=0;
if(v[0].size()<3)i=1;
int res=use_machine({v[i][0],x,v[i][1],y,v[i][2],z});
if(res==0)v[i].pb(x),v[i].pb(y),v[i].pb(z);
else if(res==1)v[i].pb(x),v[i].pb(y),v[1-i].pb(z);
else if(res==2)bad=true,v[i].pb(z);
else if(res==3)bad=true,v[1-i].pb(z);
else if(res==4)v[1-i].pb(x),v[1-i].pb(y),v[i].pb(z);
else v[1-i].pb(x),v[1-i].pb(y),v[1-i].pb(z);
}
/*
printf("%d %d %d\n",x,y,z);
printf("bad: %d\n",bad);
printf("a: ");
for(int x:v[0])printf("%d ",x);
printf("\n");
printf("b: ");
for(int x:v[1])printf("%d ",x);
printf("\n");
*/
if(!bad)continue;
if(min(v[0].size(),v[1].size())<2){
z=pop(u);
u.pb(x),u.pb(y),u.pb(z);
}
else{
int z=pop(u),w=pop(u);
int i=0;
if(v[0].size()<3)i=1;
int res=use_machine({v[1-i][0],x,v[1-i][1],v[i][0],y,v[i][1],z,v[i][2],w});
if(res==1)v[1-i].pb(x),v[i].pb(y),v[i].pb(z),v[i].pb(w);
else if(res==2)v[1-i].pb(x),v[i].pb(y),v[i].pb(z),v[1-i].pb(w);
else if(res==3)v[1-i].pb(x),v[i].pb(y),v[1-i].pb(z),v[i].pb(w);
else if(res==4)v[1-i].pb(x),v[i].pb(y),v[1-i].pb(z),v[1-i].pb(w);
else if(res==5)v[i].pb(x),v[1-i].pb(y),v[i].pb(z),v[i].pb(w);
else if(res==6)v[i].pb(x),v[1-i].pb(y),v[i].pb(z),v[1-i].pb(w);
else if(res==7)v[i].pb(x),v[1-i].pb(y),v[1-i].pb(z),v[i].pb(w);
else v[i].pb(x),v[1-i].pb(y),v[1-i].pb(z),v[1-i].pb(w);
bad=false;
}
}
//phase 3
int extra[2]={0,0};
while(!u.empty()){
int i=0;
if(v[0].size()<v[1].size())i=1;
int t=min(v[i].size(),u.size());
vector<int> m;
for(int x=0;x<t;++x){
m.pb(v[i][x]);m.pb(pop(u));
}
int res=use_machine(m);
if(res%2==1)v[1-i].pb(m.back());
else v[i].pb(m.back());
extra[i]+=(t-1)-res/2,extra[1-i]+=res/2;
}
return v[0].size()+extra[0];
}
Compilation message
mushrooms.cpp: In function 'int count_mushrooms(int)':
mushrooms.cpp:55:31: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
55 | while(v[0].size()+v[1].size()<2*M-1){
| ~~~~~~~~~~~~~~~~~~~~~~~^~~~~~
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
0 ms |
208 KB |
Output is correct |
| 2 |
Correct |
0 ms |
208 KB |
Output is correct |
| 3 |
Correct |
1 ms |
208 KB |
Output is correct |
| 4 |
Correct |
1 ms |
208 KB |
Output is correct |
| 5 |
Correct |
2 ms |
208 KB |
Output is correct |
| 6 |
Correct |
2 ms |
208 KB |
Output is correct |
| 7 |
Correct |
5 ms |
464 KB |
Output is correct |
| 8 |
Correct |
5 ms |
432 KB |
Output is correct |
| 9 |
Correct |
6 ms |
464 KB |
Output is correct |
| 10 |
Correct |
6 ms |
464 KB |
Output is correct |
| 11 |
Correct |
5 ms |
464 KB |
Output is correct |
| 12 |
Correct |
6 ms |
464 KB |
Output is correct |
| 13 |
Correct |
7 ms |
464 KB |
Output is correct |
| 14 |
Correct |
4 ms |
336 KB |
Output is correct |
| 15 |
Correct |
6 ms |
464 KB |
Output is correct |
| 16 |
Correct |
6 ms |
464 KB |
Output is correct |
| 17 |
Correct |
4 ms |
336 KB |
Output is correct |
| 18 |
Correct |
7 ms |
464 KB |
Output is correct |
| 19 |
Correct |
6 ms |
464 KB |
Output is correct |
| 20 |
Correct |
5 ms |
464 KB |
Output is correct |
| 21 |
Correct |
5 ms |
464 KB |
Output is correct |
| 22 |
Correct |
6 ms |
464 KB |
Output is correct |
| 23 |
Correct |
5 ms |
464 KB |
Output is correct |
| 24 |
Correct |
5 ms |
336 KB |
Output is correct |
| 25 |
Correct |
5 ms |
464 KB |
Output is correct |
| 26 |
Correct |
6 ms |
464 KB |
Output is correct |
| 27 |
Correct |
6 ms |
464 KB |
Output is correct |
| 28 |
Correct |
6 ms |
464 KB |
Output is correct |
| 29 |
Correct |
6 ms |
464 KB |
Output is correct |
| 30 |
Correct |
6 ms |
464 KB |
Output is correct |
| 31 |
Correct |
7 ms |
464 KB |
Output is correct |
| 32 |
Correct |
6 ms |
464 KB |
Output is correct |
| 33 |
Correct |
5 ms |
464 KB |
Output is correct |
| 34 |
Correct |
5 ms |
464 KB |
Output is correct |
| 35 |
Correct |
6 ms |
464 KB |
Output is correct |
| 36 |
Correct |
8 ms |
464 KB |
Output is correct |
| 37 |
Correct |
5 ms |
464 KB |
Output is correct |
| 38 |
Correct |
5 ms |
464 KB |
Output is correct |
| 39 |
Correct |
5 ms |
464 KB |
Output is correct |
| 40 |
Correct |
6 ms |
464 KB |
Output is correct |
| 41 |
Correct |
5 ms |
464 KB |
Output is correct |
| 42 |
Correct |
6 ms |
464 KB |
Output is correct |
| 43 |
Correct |
6 ms |
464 KB |
Output is correct |
| 44 |
Correct |
6 ms |
464 KB |
Output is correct |
| 45 |
Correct |
6 ms |
464 KB |
Output is correct |
| 46 |
Correct |
5 ms |
464 KB |
Output is correct |
| 47 |
Correct |
8 ms |
464 KB |
Output is correct |
| 48 |
Correct |
6 ms |
464 KB |
Output is correct |
| 49 |
Correct |
9 ms |
464 KB |
Output is correct |
| 50 |
Correct |
7 ms |
464 KB |
Output is correct |
| 51 |
Correct |
8 ms |
464 KB |
Output is correct |
| 52 |
Correct |
6 ms |
464 KB |
Output is correct |
| 53 |
Correct |
6 ms |
464 KB |
Output is correct |
| 54 |
Correct |
5 ms |
464 KB |
Output is correct |
| 55 |
Correct |
6 ms |
464 KB |
Output is correct |
| 56 |
Correct |
6 ms |
468 KB |
Output is correct |
| 57 |
Correct |
5 ms |
464 KB |
Output is correct |
| 58 |
Correct |
5 ms |
464 KB |
Output is correct |
| 59 |
Correct |
5 ms |
464 KB |
Output is correct |
| 60 |
Correct |
6 ms |
464 KB |
Output is correct |
| 61 |
Correct |
7 ms |
464 KB |
Output is correct |
| 62 |
Correct |
0 ms |
208 KB |
Output is correct |
| 63 |
Correct |
0 ms |
208 KB |
Output is correct |
| 64 |
Correct |
0 ms |
208 KB |
Output is correct |
| 65 |
Correct |
0 ms |
208 KB |
Output is correct |
| 66 |
Correct |
1 ms |
208 KB |
Output is correct |
| 67 |
Correct |
0 ms |
208 KB |
Output is correct |
| 68 |
Correct |
0 ms |
208 KB |
Output is correct |
| 69 |
Correct |
0 ms |
208 KB |
Output is correct |
| 70 |
Correct |
0 ms |
208 KB |
Output is correct |
| 71 |
Correct |
1 ms |
208 KB |
Output is correct |
| 72 |
Correct |
0 ms |
208 KB |
Output is correct |
| 73 |
Correct |
0 ms |
208 KB |
Output is correct |
| 74 |
Correct |
0 ms |
208 KB |
Output is correct |
| 75 |
Correct |
1 ms |
208 KB |
Output is correct |
| 76 |
Correct |
0 ms |
208 KB |
Output is correct |
| 77 |
Correct |
0 ms |
208 KB |
Output is correct |
| 78 |
Correct |
0 ms |
208 KB |
Output is correct |
| 79 |
Correct |
1 ms |
208 KB |
Output is correct |
| 80 |
Correct |
0 ms |
208 KB |
Output is correct |
| 81 |
Correct |
0 ms |
208 KB |
Output is correct |
| 82 |
Correct |
0 ms |
208 KB |
Output is correct |
| 83 |
Correct |
0 ms |
208 KB |
Output is correct |
| 84 |
Correct |
1 ms |
208 KB |
Output is correct |
| 85 |
Correct |
0 ms |
208 KB |
Output is correct |
| 86 |
Correct |
0 ms |
208 KB |
Output is correct |
| 87 |
Correct |
0 ms |
208 KB |
Output is correct |
| 88 |
Correct |
0 ms |
208 KB |
Output is correct |
| 89 |
Correct |
0 ms |
208 KB |
Output is correct |
| 90 |
Correct |
0 ms |
208 KB |
Output is correct |
| 91 |
Correct |
0 ms |
208 KB |
Output is correct |
