제출 #937561

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
937561		LucaIlie	Art Collections (BOI22_art)	C++17	100 / 100	1128 ms	1688 KiB

art

#include "art.h"
#include <bits/stdc++.h>

using namespace std;

void solve( int n ) {
    vector<int> p( n ), q( n ), ans( n );
    vector<bool> vis( n + 1 );

    for ( int i = 0; i < n; i++ )
        p[i] = i + 1;
    int inv = publish( p );
    for ( int x = n; x >= 1; x-- ) {
        q[0] = x;
        for ( int i = 1; i < x; i++ )
            q[i] = i;
        for ( int i = x; i < n; i++ )
            q[i] = i + 1;

        int dif = (x == 1 ? 0 : publish( q ) - inv);
        int sum = x - 1;
        int l = (dif + sum) / 2;
        for ( int y = 1; y <= n; y++ ) {
            if ( !vis[y] ) {
                if ( l == 0 ) {
                    ans[y - 1] = x;
                    vis[y] = true;
                    break;
                }
                l--;
            }
        }
    }

    answer( ans );
}

컴파일 시 표준 에러 (stderr) 메시지

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