Submission #721624

#	Time	Username	Problem	Language	Result	Execution time	Memory
721624		kas_s	Art Collections (BOI22_art)	C++17	20 / 100	98 ms	208 KiB

art

#include <bits/stdc++.h>
#include "art.h"
#pragma GCC optimize("Ofast")
using namespace std;

void solve(int N) {
    vector<int> a;
    for (int i = 1; i <= N; i++) a.push_back(i);
    int inv = publish(a);
    int pos = N-1;
    while (inv) {
        if (pos == 0) pos = N-1;
        swap(a[pos], a[pos-1]);
        int prev = inv;
        inv = publish(a);
        if (inv > prev) {
            inv = prev;
            swap(a[pos], a[pos-1]);
        }
        pos--;
    }
    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: 0 / 15
• Subtask 4: 0 / 15
• Subtask 5: 0 / 20
• Subtask 6: 0 / 30