Submission #733668

#	Time	Username	Problem	Language	Result	Execution time	Memory
733668		tudor	Art Collections (BOI22_art)	C++17	100 / 100	1437 ms	840 KiB

art

#include "art.h"
#include <iostream>
#include <vector>

using namespace std;

vector < int > perm, a;

void solve ( int n ) {
    a.resize ( n );
    perm.resize ( n );
    for ( int i = 1; i <= n; i++ )
        perm[i - 1] = i;
    int last = publish ( perm );
    if ( last == 0 )
        answer ( perm );
    else {
        int s = n * ( n + 1 ) / 2;
        for ( int i = 1; i < n; i++ ) {
            int x = perm[n - 1];
            for ( int j = n - 1; j > 0; j-- )
                perm[j] = perm[j - 1];
            perm[0] = x;
            int next = publish ( perm );
            int inv = ( n + next - last - 1 ) / 2;
            a[inv] = x;
            s -= x;
            last = next;
        }
        for ( int i = 0; i < n; i++ )
            if ( a[i] == 0 )
                a[i] = s;
        answer ( a );
    }
}

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