Submission #1120658

#	Time	Username	Problem	Language	Result	Execution time	Memory
1120658		vjudge1	Art Collections (BOI22_art)	C++17	Compilation error	0 ms	0 KiB

art

#include<bits/stdc++.h>
//#include "art.h"
using namespace std;

int u[4001];
int p[4001];
int pp[4001];
int nn;
//int a[4001];

// int publish(vector<int>r){
//     int j=0;
//     for(int i=0;i<nn;i++){
//         //cout<<r[i]<<" ";
//         if(p[r[i]]<i){
//             j+=i-p[r[i]];
//         }
//     }
//     //cout<<"   "<<j;
//     //cout<<"\n";
//     return j;
// }

// void answer(vector<int>r){
//     for(int i=0;i<nn;i++){
//         cout<<r[i]<<" ";
//     }
//     cout<<"\n";
// }

vector<int> get(vector<int>v,int uu,int d,int p){
    vector<int>ans;
    //cout<<uu<<" "<<d<<" "<<p<<"\n";
    for(int i=0;i<nn;i++){
        if(i==uu){
            continue;
        }
        if(i==p){
            ans.push_back(d);
        }
        ans.push_back(v[i]);
    }
    return ans;
}

void solve (int n){
    nn=n;
    vector<int>v;
    for(int i=1;i<=n;i++){
        v.push_back(i);
    }
    int k=publish(v);
    if(k==0){
        answer(v);
        return;
    }
    while(publish(v)!=0){
        for(int i=0;i<=n;i++){
            u[i]=0;
        }
        for(int i=n-1;i>=0;i--){
            //cout<<"\n\n";
            if(u[i]==0){
                //cout<<v[i]<<"\n\n";
                k=publish(v);
                if(k==0){
                    answer(v);
                    return;
                }
                int x;
                int j=i;
                for(int l=j-1;l>=0;l--){
                    if(u[l]==0){
                        vector<int>s=get(v,j,v[j],l);
                        x=publish(s);
                        if(x==0){
                            answer(s);
                            return;
                        }
                        if(x<k){
                            k=x;
                            j=l;
                            v=s;
                        }
                    }
                }
                //cout<<j<<"\n\n";
                u[j]=1;
                i++;
            }
        }
    }
    // for(int i=0;i<n;i++){
    //     cout<<u[i]<<" ";
    // }
    // cout<<"\n";
    answer(v);
}

// int main(){
//     cin>>nn;
//     for(int i=0;i<nn;i++){
//         cin>>a[i];
//         p[a[i]]=i;
//     }
//     solve(nn);
// }

Compilation message (stderr)

art.cpp: In function 'void solve(int)':
art.cpp:52:11: error: 'publish' was not declared in this scope
   52 |     int k=publish(v);
      |           ^~~~~~~
art.cpp:54:9: error: 'answer' was not declared in this scope
   54 |         answer(v);
      |         ^~~~~~
art.cpp:67:21: error: 'answer' was not declared in this scope
   67 |                     answer(v);
      |                     ^~~~~~
art.cpp:77:29: error: 'answer' was not declared in this scope
   77 |                             answer(s);
      |                             ^~~~~~
art.cpp:97:5: error: 'answer' was not declared in this scope
   97 |     answer(v);
      |     ^~~~~~
interface.cpp: In function 'int publish(std::vector<int>)':
interface.cpp:20:17: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   20 |     if(v.size() != N) {
      |        ~~~~~~~~~^~~~
interface.cpp: In function 'void answer(std::vector<int>)':
interface.cpp:36:17: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   36 |     if(v.size() != N) {
      |        ~~~~~~~~~^~~~