Submission #873149

#	Time	Username	Problem	Language	Result	Execution time	Memory
873149		Faisal_Saqib	Art Collections (BOI22_art)	C++17	70 / 100	1113 ms	1692 KiB

art

#include "art.h"
#include <iostream>
#include <algorithm>
#include <climits>
#include <queue>
#include <cmath>
#include <map>
#include <set>
#include <random>
#include <chrono>
#include <iomanip>
#include <vector>
#include <fstream>
using namespace std;
#define vll vector<ll>
#define sll set<ll>
#define vstr vector<string>
#define ll long long
#define ld long double
#define supra main
#define pb push_back
#define add insert
#define rall(x) rbegin(x),rend(x)
#define all(x) (x).begin(),(x).end()
#define I ios_base::sync_with_stdio(false);
#define Hear cin.tie(NULL);
#define Shots cout.tie(NULL);
#define Ratatatata
#define bits_on(a) (__builtin_popcountll(a))
#define mx_pw2(a) (__builtin_ctzll(a))
mt19937 RNG(chrono::steady_clock::now().time_since_epoch().count());  
#define SHUFFLE(v) shuffle(all(v), RNG); 
void solve(int n)
{
    vector<int> order(n);
    vector<int> help;
    for(int i=1;i<=n;i++)
        help.pb(i);
    SHUFFLE(help)
    for(auto i:help)
    {
        vector<int> NEW(n);
        int p=0;
        int l=1;
        for(;p<(n-1);l++)
            if(l!=i)
                NEW[p++]=l;
        NEW[p]=i;
        int x=publish(NEW);
        if(x==0)
        {
            answer(NEW);
            return;
        }
        for(int i=n-1;i>0;i--)
            swap(NEW[i],NEW[i-1]);
        int y=publish(NEW);
        if(y==0)
        {
            answer(NEW);
            return;
        }
        int ip=(x-n-y-1)/(-2);
        order[ip-1]=i;
    }
    answer(order);
    return;
}

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: 0 / 30