제출 #597555

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
597555		boris_mihov	Art Collections (BOI22_art)	C++17	100 / 100	1842 ms	640 KiB

art

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

std::vector < int > perm, ans;
void solve(int n) 
{
    perm.resize(n);
    ans.reserve(n);
    std::iota(perm.begin(), perm.end(), 1);

    int lastInv = publish(perm), currInv;
    ans.push_back(n);
    for (int i = n-2 ; i >= 0 ; --i)
    {
        perm.erase(perm.begin() + i);
        perm.push_back(i + 1);
        currInv = publish(perm);
        int bigger = (currInv - lastInv + (n - i - 1)) / 2;
        ans.insert(ans.end() - bigger, i + 1);
        lastInv = currInv;
    }

    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