#include "chameleon.h"
#include <bits/stdc++.h>
using namespace std;
#define pb push_back
#define pii pair<int,int>
void Solve(int n) {
vector<int> groups[4];
vector<bool> was(n*2+1,false);
vector<vector<int>> cand(n*2+1,vector<int>());
int sz=0;
for(int i=1;i<=n*2;i++){
bool ok=false;int z;
for(z=0;z<sz&&cand[i].size()<3;z++){
function<bool(vector<int>)> work=[&](vector<int> tmp){
tmp.pb(i);
if(Query(tmp)==tmp.size())return false;
tmp.pop_back();
vector<int> mem=tmp;
while(tmp.size()>1){
vector<int> v[2];
for(int j=0;j<tmp.size();j++)v[j&1].pb(tmp[j]);
v[0].pb(i);
int B=Query(v[0]);
v[0].pop_back();
if(B<=v[0].size())tmp=v[0];
else tmp=v[1];
}
cand[i].pb(tmp[0]);
cand[tmp[0]].pb(i);
vector<int> nxt;
for(int j:mem)if(j!=tmp[0])nxt.pb(j);
work(nxt);
return true;
};
bool now=work(groups[z]);
if(!now&&!ok){
groups[z].pb(i);
ok=true;
}
}
if(!ok&&z==sz)groups[sz++].pb(i);
else if(!ok)groups[z].pb(i);
}
set<pii> bad;
for(int j=1;j<=n*2;j++){
assert(cand[j].size()==1||cand[j].size()==3);
if(cand[j].size()==3){
int A=Query({j,cand[j][0],cand[j][1]});
int B=Query({j,cand[j][1],cand[j][2]});
int C=Query({j,cand[j][2],cand[j][0]});
if(A==1)bad.insert({j,cand[j][2]});
if(B==1)bad.insert({j,cand[j][0]});
if(C==1)bad.insert({j,cand[j][1]});
}
}
for(int j=1;j<=n*2;j++){
if(was[j])continue;
for(int i:cand[j]){
if(!bad.count({i,j})&&!bad.count({j,i})){
Answer(i,j);
was[i]=was[j]=true;
break;
}
}
}
}
Compilation message
chameleon.cpp: In lambda function:
chameleon.cpp:17:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
if(Query(tmp)==tmp.size())return false;
~~~~~~~~~~^~~~~~~~~~~~
chameleon.cpp:22:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
for(int j=0;j<tmp.size();j++)v[j&1].pb(tmp[j]);
~^~~~~~~~~~~
chameleon.cpp:26:10: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
if(B<=v[0].size())tmp=v[0];
~^~~~~~~~~~~~~
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
5 ms |
384 KB |
Output is correct |
2 |
Correct |
5 ms |
384 KB |
Output is correct |
3 |
Correct |
34 ms |
384 KB |
Output is correct |
4 |
Correct |
26 ms |
384 KB |
Output is correct |
5 |
Correct |
27 ms |
384 KB |
Output is correct |
6 |
Correct |
27 ms |
384 KB |
Output is correct |
7 |
Correct |
27 ms |
384 KB |
Output is correct |
8 |
Correct |
30 ms |
384 KB |
Output is correct |
9 |
Correct |
27 ms |
384 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
4 ms |
384 KB |
Output is correct |
2 |
Correct |
5 ms |
384 KB |
Output is correct |
3 |
Correct |
5 ms |
384 KB |
Output is correct |
4 |
Correct |
5 ms |
384 KB |
Output is correct |
5 |
Correct |
4 ms |
384 KB |
Output is correct |
6 |
Correct |
5 ms |
384 KB |
Output is correct |
7 |
Correct |
4 ms |
384 KB |
Output is correct |
8 |
Correct |
5 ms |
384 KB |
Output is correct |
9 |
Correct |
4 ms |
384 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
4 ms |
384 KB |
Output is correct |
2 |
Correct |
5 ms |
384 KB |
Output is correct |
3 |
Correct |
5 ms |
384 KB |
Output is correct |
4 |
Correct |
5 ms |
384 KB |
Output is correct |
5 |
Correct |
4 ms |
384 KB |
Output is correct |
6 |
Correct |
5 ms |
384 KB |
Output is correct |
7 |
Correct |
4 ms |
384 KB |
Output is correct |
8 |
Correct |
5 ms |
384 KB |
Output is correct |
9 |
Correct |
4 ms |
384 KB |
Output is correct |
10 |
Correct |
5 ms |
384 KB |
Output is correct |
11 |
Correct |
5 ms |
384 KB |
Output is correct |
12 |
Correct |
5 ms |
384 KB |
Output is correct |
13 |
Correct |
5 ms |
384 KB |
Output is correct |
14 |
Correct |
5 ms |
384 KB |
Output is correct |
15 |
Correct |
5 ms |
384 KB |
Output is correct |
16 |
Correct |
6 ms |
384 KB |
Output is correct |
17 |
Correct |
5 ms |
384 KB |
Output is correct |
18 |
Correct |
6 ms |
384 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
4 ms |
384 KB |
Output is correct |
2 |
Correct |
4 ms |
384 KB |
Output is correct |
3 |
Correct |
55 ms |
384 KB |
Output is correct |
4 |
Correct |
55 ms |
384 KB |
Output is correct |
5 |
Correct |
55 ms |
480 KB |
Output is correct |
6 |
Correct |
56 ms |
504 KB |
Output is correct |
7 |
Correct |
56 ms |
384 KB |
Output is correct |
8 |
Correct |
56 ms |
384 KB |
Output is correct |
9 |
Correct |
55 ms |
384 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
5 ms |
384 KB |
Output is correct |
2 |
Correct |
5 ms |
384 KB |
Output is correct |
3 |
Correct |
34 ms |
384 KB |
Output is correct |
4 |
Correct |
26 ms |
384 KB |
Output is correct |
5 |
Correct |
27 ms |
384 KB |
Output is correct |
6 |
Correct |
27 ms |
384 KB |
Output is correct |
7 |
Correct |
27 ms |
384 KB |
Output is correct |
8 |
Correct |
30 ms |
384 KB |
Output is correct |
9 |
Correct |
27 ms |
384 KB |
Output is correct |
10 |
Correct |
4 ms |
384 KB |
Output is correct |
11 |
Correct |
5 ms |
384 KB |
Output is correct |
12 |
Correct |
5 ms |
384 KB |
Output is correct |
13 |
Correct |
5 ms |
384 KB |
Output is correct |
14 |
Correct |
4 ms |
384 KB |
Output is correct |
15 |
Correct |
5 ms |
384 KB |
Output is correct |
16 |
Correct |
4 ms |
384 KB |
Output is correct |
17 |
Correct |
5 ms |
384 KB |
Output is correct |
18 |
Correct |
4 ms |
384 KB |
Output is correct |
19 |
Correct |
5 ms |
384 KB |
Output is correct |
20 |
Correct |
5 ms |
384 KB |
Output is correct |
21 |
Correct |
5 ms |
384 KB |
Output is correct |
22 |
Correct |
5 ms |
384 KB |
Output is correct |
23 |
Correct |
5 ms |
384 KB |
Output is correct |
24 |
Correct |
5 ms |
384 KB |
Output is correct |
25 |
Correct |
6 ms |
384 KB |
Output is correct |
26 |
Correct |
5 ms |
384 KB |
Output is correct |
27 |
Correct |
6 ms |
384 KB |
Output is correct |
28 |
Correct |
4 ms |
384 KB |
Output is correct |
29 |
Correct |
4 ms |
384 KB |
Output is correct |
30 |
Correct |
55 ms |
384 KB |
Output is correct |
31 |
Correct |
55 ms |
384 KB |
Output is correct |
32 |
Correct |
55 ms |
480 KB |
Output is correct |
33 |
Correct |
56 ms |
504 KB |
Output is correct |
34 |
Correct |
56 ms |
384 KB |
Output is correct |
35 |
Correct |
56 ms |
384 KB |
Output is correct |
36 |
Correct |
55 ms |
384 KB |
Output is correct |
37 |
Correct |
51 ms |
384 KB |
Output is correct |
38 |
Correct |
26 ms |
384 KB |
Output is correct |
39 |
Correct |
51 ms |
384 KB |
Output is correct |
40 |
Correct |
50 ms |
384 KB |
Output is correct |
41 |
Correct |
51 ms |
384 KB |
Output is correct |
42 |
Correct |
26 ms |
384 KB |
Output is correct |
43 |
Correct |
55 ms |
384 KB |
Output is correct |
44 |
Correct |
51 ms |
384 KB |
Output is correct |
45 |
Correct |
51 ms |
384 KB |
Output is correct |