Submission #923904

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
923904	2024-02-08T06:05:11 Z	alexander707070	Chameleon's Love (JOI20_chameleon)	C++14	Compilation error	0 ms	0 KB

chameleon

#include <bits/stdc++.h>
#include "chameleon.h"
#define MAXN 1007
 
using namespace std;
 
namespace {
 
int n,bad[MAXN],st,lt,rt,mid,li[MAXN],tim;
vector<int> to[MAXN],v[MAXN];
vector< pair<int,int> > sol;
 
vector<int> l,r,w,perm;

void dfs(int x,int side){
    li[x]=tim;
    
    if(side==0)l.push_back(x);
    else r.push_back(x);
    
    for(int i=0;i<v[x].size();i++){
        if(li[v[x][i]]==tim)continue;
        dfs(v[x][i],1-side);
    }
}
 
}  // namespace

 
void Solve(int N) {
 
    n=N;
    for(int i=1;i<=2*n;i++){
            
        for(int f=0;f<3;f++){
            st=lt=rt; rt=l.size()+1;
            while(lt+1<rt){
                mid=(lt+rt)/2;
                
                w.clear();
                for(int i=st;i<mid;i++)w.push_back(l[i]);
                w.push_back(i);
                
                if(Query(w)!=w.size()){
                    rt=mid;
                }else{
                    lt=mid;
                }
            }
            
            if(rt!=l.size()+1){
                v[i].push_back(v[l[rt-1]]);
                v[l[rt-1]].push_back(v[i]);
            }
        }
        
        for(int f=0;f<3;f++){
            st=lt=rt; rt=r.size()+1;
            while(lt+1<rt){
                mid=(lt+rt)/2;
                
                w.clear();
                for(int i=st;i<mid;i++)w.push_back(r[i]);
                w.push_back(i);
                
                if(Query(w)!=w.size()){
                    rt=mid;
                }else{
                    lt=mid;
                }
            }
            
            if(rt!=r.size()+1){
                v[i].push_back(v[r[rt-1]]);
                v[r[rt-1]].push_back(v[i]);
            }
        }
        
        l.clear(); r.clear(); tim++;
        for(int f=1;f<=2*n;f++){
            if(li[f]!=tim)dfs(f,0);
        }
    }
    
    for(int i=1;i<=2*n;i++){
        to[i]=v[i];
    }
        
    for(int i=1;i<=2*n;i++){
        if(to[i].empty())continue;
 
        if(to[i].size()==1)continue;
        else{
            if(Query({i,to[i][0],to[i][1]})==1)bad[i]=to[i][2];
            else if(Query({i,to[i][0],to[i][2]})==1)bad[i]=to[i][1];
            else if(Query({i,to[i][2],to[i][1]})==1)bad[i]=to[i][0];
        }
    }
    
    for(int i=1;i<=2*n;i++){
        for(int f:to[i]){
            if(bad[i]==f or bad[f]==i)continue;
            if(i<f)Answer(i,f);
        }
    }
}
 
/*
 
4
1 0 1 0 0 1 1 0
4 4 1 2 1 2 3 3
4 3 8 7 6 5 2 1
*/

Compilation message

chameleon.cpp: In function 'void {anonymous}::dfs(int, int)':
chameleon.cpp:21:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   21 |     for(int i=0;i<v[x].size();i++){
      |                 ~^~~~~~~~~~~~
chameleon.cpp: In function 'void Solve(int)':
chameleon.cpp:44:28: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   44 |                 if(Query(w)!=w.size()){
      |                    ~~~~~~~~^~~~~~~~~~
chameleon.cpp:51:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   51 |             if(rt!=l.size()+1){
      |                ~~^~~~~~~~~~~~
chameleon.cpp:52:42: error: no matching function for call to 'std::vector<int>::push_back(std::vector<int>&)'
   52 |                 v[i].push_back(v[l[rt-1]]);
      |                                          ^
In file included from /usr/include/c++/10/vector:67,
                 from /usr/include/c++/10/queue:61,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:86,
                 from chameleon.cpp:1:
/usr/include/c++/10/bits/stl_vector.h:1187:7: note: candidate: 'void std::vector<_Tp, _Alloc>::push_back(const value_type&) [with _Tp = int; _Alloc = std::allocator<int>; std::vector<_Tp, _Alloc>::value_type = int]'
 1187 |       push_back(const value_type& __x)
      |       ^~~~~~~~~
/usr/include/c++/10/bits/stl_vector.h:1187:35: note:   no known conversion for argument 1 from 'std::vector<int>' to 'const value_type&' {aka 'const int&'}
 1187 |       push_back(const value_type& __x)
      |                 ~~~~~~~~~~~~~~~~~~^~~
/usr/include/c++/10/bits/stl_vector.h:1203:7: note: candidate: 'void std::vector<_Tp, _Alloc>::push_back(std::vector<_Tp, _Alloc>::value_type&&) [with _Tp = int; _Alloc = std::allocator<int>; std::vector<_Tp, _Alloc>::value_type = int]'
 1203 |       push_back(value_type&& __x)
      |       ^~~~~~~~~
/usr/include/c++/10/bits/stl_vector.h:1203:30: note:   no known conversion for argument 1 from 'std::vector<int>' to 'std::vector<int>::value_type&&' {aka 'int&&'}
 1203 |       push_back(value_type&& __x)
      |                 ~~~~~~~~~~~~~^~~
chameleon.cpp:53:42: error: no matching function for call to 'std::vector<int>::push_back(std::vector<int>&)'
   53 |                 v[l[rt-1]].push_back(v[i]);
      |                                          ^
In file included from /usr/include/c++/10/vector:67,
                 from /usr/include/c++/10/queue:61,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:86,
                 from chameleon.cpp:1:
/usr/include/c++/10/bits/stl_vector.h:1187:7: note: candidate: 'void std::vector<_Tp, _Alloc>::push_back(const value_type&) [with _Tp = int; _Alloc = std::allocator<int>; std::vector<_Tp, _Alloc>::value_type = int]'
 1187 |       push_back(const value_type& __x)
      |       ^~~~~~~~~
/usr/include/c++/10/bits/stl_vector.h:1187:35: note:   no known conversion for argument 1 from 'std::vector<int>' to 'const value_type&' {aka 'const int&'}
 1187 |       push_back(const value_type& __x)
      |                 ~~~~~~~~~~~~~~~~~~^~~
/usr/include/c++/10/bits/stl_vector.h:1203:7: note: candidate: 'void std::vector<_Tp, _Alloc>::push_back(std::vector<_Tp, _Alloc>::value_type&&) [with _Tp = int; _Alloc = std::allocator<int>; std::vector<_Tp, _Alloc>::value_type = int]'
 1203 |       push_back(value_type&& __x)
      |       ^~~~~~~~~
/usr/include/c++/10/bits/stl_vector.h:1203:30: note:   no known conversion for argument 1 from 'std::vector<int>' to 'std::vector<int>::value_type&&' {aka 'int&&'}
 1203 |       push_back(value_type&& __x)
      |                 ~~~~~~~~~~~~~^~~
chameleon.cpp:66:28: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   66 |                 if(Query(w)!=w.size()){
      |                    ~~~~~~~~^~~~~~~~~~
chameleon.cpp:73:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   73 |             if(rt!=r.size()+1){
      |                ~~^~~~~~~~~~~~
chameleon.cpp:74:42: error: no matching function for call to 'std::vector<int>::push_back(std::vector<int>&)'
   74 |                 v[i].push_back(v[r[rt-1]]);
      |                                          ^
In file included from /usr/include/c++/10/vector:67,
                 from /usr/include/c++/10/queue:61,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:86,
                 from chameleon.cpp:1:
/usr/include/c++/10/bits/stl_vector.h:1187:7: note: candidate: 'void std::vector<_Tp, _Alloc>::push_back(const value_type&) [with _Tp = int; _Alloc = std::allocator<int>; std::vector<_Tp, _Alloc>::value_type = int]'
 1187 |       push_back(const value_type& __x)
      |       ^~~~~~~~~
/usr/include/c++/10/bits/stl_vector.h:1187:35: note:   no known conversion for argument 1 from 'std::vector<int>' to 'const value_type&' {aka 'const int&'}
 1187 |       push_back(const value_type& __x)
      |                 ~~~~~~~~~~~~~~~~~~^~~
/usr/include/c++/10/bits/stl_vector.h:1203:7: note: candidate: 'void std::vector<_Tp, _Alloc>::push_back(std::vector<_Tp, _Alloc>::value_type&&) [with _Tp = int; _Alloc = std::allocator<int>; std::vector<_Tp, _Alloc>::value_type = int]'
 1203 |       push_back(value_type&& __x)
      |       ^~~~~~~~~
/usr/include/c++/10/bits/stl_vector.h:1203:30: note:   no known conversion for argument 1 from 'std::vector<int>' to 'std::vector<int>::value_type&&' {aka 'int&&'}
 1203 |       push_back(value_type&& __x)
      |                 ~~~~~~~~~~~~~^~~
chameleon.cpp:75:42: error: no matching function for call to 'std::vector<int>::push_back(std::vector<int>&)'
   75 |                 v[r[rt-1]].push_back(v[i]);
      |                                          ^
In file included from /usr/include/c++/10/vector:67,
                 from /usr/include/c++/10/queue:61,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:86,
                 from chameleon.cpp:1:
/usr/include/c++/10/bits/stl_vector.h:1187:7: note: candidate: 'void std::vector<_Tp, _Alloc>::push_back(const value_type&) [with _Tp = int; _Alloc = std::allocator<int>; std::vector<_Tp, _Alloc>::value_type = int]'
 1187 |       push_back(const value_type& __x)
      |       ^~~~~~~~~
/usr/include/c++/10/bits/stl_vector.h:1187:35: note:   no known conversion for argument 1 from 'std::vector<int>' to 'const value_type&' {aka 'const int&'}
 1187 |       push_back(const value_type& __x)
      |                 ~~~~~~~~~~~~~~~~~~^~~
/usr/include/c++/10/bits/stl_vector.h:1203:7: note: candidate: 'void std::vector<_Tp, _Alloc>::push_back(std::vector<_Tp, _Alloc>::value_type&&) [with _Tp = int; _Alloc = std::allocator<int>; std::vector<_Tp, _Alloc>::value_type = int]'
 1203 |       push_back(value_type&& __x)
      |       ^~~~~~~~~
/usr/include/c++/10/bits/stl_vector.h:1203:30: note:   no known conversion for argument 1 from 'std::vector<int>' to 'std::vector<int>::value_type&&' {aka 'int&&'}
 1203 |       push_back(value_type&& __x)
      |                 ~~~~~~~~~~~~~^~~