Submission #877488

#	Time	Username	Problem	Language	Result	Execution time	Memory
877488		vjudge1	Art Collections (BOI22_art)	C++17	50 / 100	579 ms	64228 KiB

art

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

using namespace std;

//#define int long long

#define pb push_back
#define mp make_pair
#define mt make_tuple
#define all(v) v.begin(), v.end()
#define rall(v) v.rbegin(), v.rend()

using ll = long long;
using ld = long double;
 
const int mxn = 4005;


int c[mxn][mxn];
int n;

vector<int> vec;
int og;

bool comp(int a,int b){
    if(c[a][b] != -1)return c[a][b];
    
    swap(vec[a-1], vec[b-1]);
    int nw = publish(vec);
    swap(vec[a-1], vec[b-1]);

    return (a < b) ^ (nw < og);
}

void solve(int _n) {
    memset(c, -1, sizeof c);
    n = _n;



    vector<int> v;
    for(int i = 1;i<=n;i++){
        v.pb(i);
        vec.pb(i);
    }

    og = publish(vec);

    stable_sort(all(v), comp);
    answer(v);

}

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: 0 / 20
• Subtask 6: 0 / 30