Submission #944718

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
944718	2024-03-13T04:10:23 Z	yeediot	Minerals (JOI19_minerals)	C++14	Compilation error	0 ms	0 KB

minerals

#include<bits/stdc++.h>
using namespace std;
#define F first
#define S second
#define all(x) x.begin(),x.end()
#define pii pair<int,int>
#define pb push_back
#define sz(x) (int)(x.size())
#define chmin(x,y) x=min(x,y)
#define chmax(x,y) x=max(x,y)
#define vi vector<int>
#define vp vector<pii>
#define vvi vector<vi>
const int mxn=43000;

#ifdef local
void setio(){freopen("/Users/iantsai/Library/Mobile Documents/com~apple~CloudDocs/cpp/Empty.md","r",stdin);}
set<int>cur;
int color[mxn];
int cnt[mxn];
int n;
bool ok;
int tt=0;
void init(){
    cin>>n;
    for(int i=1;i<=2*n;i++){
        cin>>color[i];
    }
}
int res;
int Query(int x){
    tt++;
    if(cur.find(x)!=cur.end()){
        cur.erase(x);
        cnt[color[x]]--;
        if(cnt[color[x]]==0)res--;
    }
    else{
        cur.insert(x);
        cnt[color[x]]++;
        if(cnt[color[x]]==1)res++;
    }
    return res;
}
void Answer(int a,int b){
    if(a>b)swap(a,b);
    cout<<a<<' '<<b<<'\n';
    if(color[a]!=color[b]){
        ok=0;
    }
}
#else
void setio(){}
#include "minerals.h"
#endif
//////////////////
vector<int>cur2;
void Solve(int n){
    vector<int>temp;
    int prev=0;
    for(int i=1;i<=2*n;i++){
        if(Query(i)==prev+1){
            prev++;
            temp.pb(i);
        }
        else{
            cur2.pb(i);
        }
    }
    queue<tuple<vector<int>,int,int,bool>>Q;
    Q.push({temp,0,n-1,1});
    while(sz(Q)){
        auto [cur,l,r,flag2]=Q.front();
        Q.pop();
        if(l==r){
            Answer(cur[0],cur2[l]);
            continue;
        }
        int len=r-l+1;
        if(flag2){
            mm=max(l,min(r-1,l+int(0.5*len)));
        }
        else{
            mm=min(r-1,max(l,l+int(0.5*len)));
        }
        int dick;
        if(flag2){
            for(int i=mm+1;i<=r;i++){
                dick=Query(cur2[i]);
            }
        }
        else{
            for(int i=l;i<=mm;i++){
                dick=Query(cur2[i]);
            }
        }
        vector<int>L,R;
        for(auto i:cur){
            int x=Query(i);
            if(x==dick){
                L.pb(i);
            }
            else{
                R.pb(i);
            }
            dick=x;
        }
        if(sz(L)){
            Q.push({L,l,mm,1});
        }
        if(sz(R)){
            Q.push({R,mm+1,r,0});
        }
    }
}
#ifdef local
int main(){
    ok=1;
    tt=0;
    setio();
    init();
    Solve(n);
    cout<<tt<<'\n';
    if(ok)cout<<"Accepted!\n";
    else cout<<"Wrong Answer\n";
}
#else

#endif

 /*
 input:
 2n+nlogn+1/2(nlogn)
 */















 

Compilation message

minerals.cpp: In function 'void Solve(int)':
minerals.cpp:73:14: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17'
   73 |         auto [cur,l,r,flag2]=Q.front();
      |              ^
minerals.cpp:81:13: error: 'mm' was not declared in this scope; did you mean 'tm'?
   81 |             mm=max(l,min(r-1,l+int(0.5*len)));
      |             ^~
      |             tm
minerals.cpp:84:13: error: 'mm' was not declared in this scope; did you mean 'tm'?
   84 |             mm=min(r-1,max(l,l+int(0.5*len)));
      |             ^~
      |             tm
minerals.cpp:88:23: error: 'mm' was not declared in this scope; did you mean 'tm'?
   88 |             for(int i=mm+1;i<=r;i++){
      |                       ^~
      |                       tm
minerals.cpp:93:28: error: 'mm' was not declared in this scope; did you mean 'tm'?
   93 |             for(int i=l;i<=mm;i++){
      |                            ^~
      |                            tm
minerals.cpp:109:25: error: 'mm' was not declared in this scope; did you mean 'tm'?
  109 |             Q.push({L,l,mm,1});
      |                         ^~
      |                         tm
minerals.cpp:109:30: error: no matching function for call to 'std::queue<std::tuple<std::vector<int, std::allocator<int> >, int, int, bool> >::push(<brace-enclosed initializer list>)'
  109 |             Q.push({L,l,mm,1});
      |                              ^
In file included from /usr/include/c++/10/queue:64,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:86,
                 from minerals.cpp:1:
/usr/include/c++/10/bits/stl_queue.h:265:7: note: candidate: 'void std::queue<_Tp, _Sequence>::push(const value_type&) [with _Tp = std::tuple<std::vector<int, std::allocator<int> >, int, int, bool>; _Sequence = std::deque<std::tuple<std::vector<int, std::allocator<int> >, int, int, bool>, std::allocator<std::tuple<std::vector<int, std::allocator<int> >, int, int, bool> > >; std::queue<_Tp, _Sequence>::value_type = std::tuple<std::vector<int, std::allocator<int> >, int, int, bool>]'
  265 |       push(const value_type& __x)
      |       ^~~~
/usr/include/c++/10/bits/stl_queue.h:265:30: note:   no known conversion for argument 1 from '<brace-enclosed initializer list>' to 'const value_type&' {aka 'const std::tuple<std::vector<int, std::allocator<int> >, int, int, bool>&'}
  265 |       push(const value_type& __x)
      |            ~~~~~~~~~~~~~~~~~~^~~
/usr/include/c++/10/bits/stl_queue.h:270:7: note: candidate: 'void std::queue<_Tp, _Sequence>::push(std::queue<_Tp, _Sequence>::value_type&&) [with _Tp = std::tuple<std::vector<int, std::allocator<int> >, int, int, bool>; _Sequence = std::deque<std::tuple<std::vector<int, std::allocator<int> >, int, int, bool>, std::allocator<std::tuple<std::vector<int, std::allocator<int> >, int, int, bool> > >; std::queue<_Tp, _Sequence>::value_type = std::tuple<std::vector<int, std::allocator<int> >, int, int, bool>]'
  270 |       push(value_type&& __x)
      |       ^~~~
/usr/include/c++/10/bits/stl_queue.h:270:25: note:   no known conversion for argument 1 from '<brace-enclosed initializer list>' to 'std::queue<std::tuple<std::vector<int, std::allocator<int> >, int, int, bool> >::value_type&&' {aka 'std::tuple<std::vector<int, std::allocator<int> >, int, int, bool>&&'}
  270 |       push(value_type&& __x)
      |            ~~~~~~~~~~~~~^~~
minerals.cpp:112:23: error: 'mm' was not declared in this scope; did you mean 'tm'?
  112 |             Q.push({R,mm+1,r,0});
      |                       ^~
      |                       tm
minerals.cpp:112:32: error: no matching function for call to 'std::queue<std::tuple<std::vector<int, std::allocator<int> >, int, int, bool> >::push(<brace-enclosed initializer list>)'
  112 |             Q.push({R,mm+1,r,0});
      |                                ^
In file included from /usr/include/c++/10/queue:64,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:86,
                 from minerals.cpp:1:
/usr/include/c++/10/bits/stl_queue.h:265:7: note: candidate: 'void std::queue<_Tp, _Sequence>::push(const value_type&) [with _Tp = std::tuple<std::vector<int, std::allocator<int> >, int, int, bool>; _Sequence = std::deque<std::tuple<std::vector<int, std::allocator<int> >, int, int, bool>, std::allocator<std::tuple<std::vector<int, std::allocator<int> >, int, int, bool> > >; std::queue<_Tp, _Sequence>::value_type = std::tuple<std::vector<int, std::allocator<int> >, int, int, bool>]'
  265 |       push(const value_type& __x)
      |       ^~~~
/usr/include/c++/10/bits/stl_queue.h:265:30: note:   no known conversion for argument 1 from '<brace-enclosed initializer list>' to 'const value_type&' {aka 'const std::tuple<std::vector<int, std::allocator<int> >, int, int, bool>&'}
  265 |       push(const value_type& __x)
      |            ~~~~~~~~~~~~~~~~~~^~~
/usr/include/c++/10/bits/stl_queue.h:270:7: note: candidate: 'void std::queue<_Tp, _Sequence>::push(std::queue<_Tp, _Sequence>::value_type&&) [with _Tp = std::tuple<std::vector<int, std::allocator<int> >, int, int, bool>; _Sequence = std::deque<std::tuple<std::vector<int, std::allocator<int> >, int, int, bool>, std::allocator<std::tuple<std::vector<int, std::allocator<int> >, int, int, bool> > >; std::queue<_Tp, _Sequence>::value_type = std::tuple<std::vector<int, std::allocator<int> >, int, int, bool>]'
  270 |       push(value_type&& __x)
      |       ^~~~
/usr/include/c++/10/bits/stl_queue.h:270:25: note:   no known conversion for argument 1 from '<brace-enclosed initializer list>' to 'std::queue<std::tuple<std::vector<int, std::allocator<int> >, int, int, bool> >::value_type&&' {aka 'std::tuple<std::vector<int, std::allocator<int> >, int, int, bool>&&'}
  270 |       push(value_type&& __x)
      |            ~~~~~~~~~~~~~^~~