Submission #1029750

#	Time	Username	Problem	Language	Result	Execution time	Memory
1029750		vjudge1	Art Collections (BOI22_art)	C++17	0 / 100	0 ms	344 KiB

art

#include "art.h"
//Dost SEFEROĞLU
#include <bits/stdc++.h>
using namespace std;
//#define int long long
#define pii pair<int,int>
#define ff first
#define ss second
#define sp << " " << 
#define vi vector<int>
#define all(xx) xx.begin(),xx.end()
//
// --- Sample implementation for the task art ---
//
// To compile this program with the sample grader, place:
//     art.h art_sample.cpp sample_grader.cpp
// in a single folder, then open the terminal in this directory (right-click onto an empty spot in the directory,
// left click on "Open in terminal") and enter e.g.:
//     g++ -std=c++17 art_sample.cpp sample_grader.cpp
// in this folder. This will create a file a.out in the current directory which you can execute from the terminal
// as ./a.out
// See task statement or sample_grader.cpp for the input specification
//

void solve(int N) {
    std::vector<int> order;
    vi ans(N);
    vi have(N,1);
    for (int i=0;i<N;i++) order.push_back(i+1);
    int x = publish(order);
    int curptr = 0;
    int ptr = 0;
    int nn = N+2;
    while (curptr < N-curptr-1) {
        nn-=2;
        swap(order[ptr],order[N-1]);
        int y = publish(order);
        if (x < y) {
            swap(order[ptr],order[N-1]);
            int temp = order[N-1];
            for (int i=N-1;i>=ptr+2;i--) order[i] = order[i-1];
            order[ptr+1] = temp;
            int z = publish(order);
            int delta = z-x;
            int dd = ((y-x)+1)/2;
            //cout << x sp y sp dd << endl;
            int cur = 0;
            int r = (nn+delta+2)/2;
            ////cout << r sp dd << endl;
            for (int i=0;i<N;i++) {
                if (have[i]) cur++;
                else continue;
                if (cur == r-dd) {
                    //cout << "PUT" sp curptr sp i+1 << endl;
                    ans[curptr] = i+1;
                    have[i] = 0;
                }
                else if (cur == r) {
                    //cout << "PUT" sp N-curptr-1 sp i+1 << endl;
                    ans[N-curptr-1] = i+1;
                    have[i] = 0;
                }
            }
            curptr++;
            x = z;
        }
        else{
            swap(order[ptr],order[N-1]);
            int temp = order[N-1];
            for (int i=ptr+2;i<N;i++) order[i] = order[i-1];
            order[ptr+1] = temp;
            int z = publish(order);
            int delta = z-x;
            int cur = 0;
            int dd = ((x-y)+1)/2;
            int r = (nn+delta)/2;
            //cout << r sp dd << endl;
            for (int i=0;i<N;i++) {
                if (have[i]) cur++;
                else continue;
                if (cur == r) {
                    ans[N-curptr-1] = i+1;
                    have[i] = 0;
                }
                else if (cur == r+dd) {
                    ans[curptr] = i+1;
                    have[i] = 0;
                }
            }
            curptr++;
            x = z;
        }
        ptr+=2;
/*         for (int i=0;i<N;i++) cout << ans[i] << " ";
        cout << endl; */
    }
    if (curptr == N-curptr-1) {
        for (int i=0;i<N;i++) {
            if (have[i]) {
                ans[curptr] = i+1;
                break;
            }
        }
    }
    answer(ans);
}

Compilation message (stderr)

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) {
      |        ~~~~~~~~~^~~~

• Subtask 1: 0 / 5
• Subtask 2: 0 / 15
• Subtask 3: 0 / 15
• Subtask 4: 0 / 15
• Subtask 5: 0 / 20
• Subtask 6: 0 / 30