Submission #796727

#	Time	Username	Problem	Language	Result	Execution time	Memory
796727		TheSahib	Art Collections (BOI22_art)	C++17	50 / 100	759 ms	31984 KiB

art

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

using namespace std;

vector<int> v;
int x = 0;

map<vector<int>, int> mp;

int ask(vector<int>& v){
    if(mp.find(v) != mp.end()) return mp[v];
    return mp[v] = publish(v);
}

bool comp(int a, int b){
    swap(v[a - 1], v[b - 1]);
    int y = ask(v);
    swap(v[a - 1], v[b - 1]);
    if(a < b){
        return x < y;
    }
    else{
        return x > y;
    }
}

void solve(int N) {
    v.resize(N);
    iota(v.begin(), v.end(), 1);
    x = ask(v);

    vector<int> ans(N);
    iota(ans.begin(), ans.end(), 1);
    stable_sort(ans.begin(), ans.end(), comp);
    
    answer(ans);
}

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