Submission #1120282

#	Time	Username	Problem	Language	Result	Execution time	Memory
1120282		vjudge1	Art Collections (BOI22_art)	C++17	100 / 100	1885 ms	63952 KiB

art

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

using namespace std;
typedef long long ll;

map<vector<int>, int> u;
int cnt, n;

int ask(vector<int> v) {
    if(u.count(v)) {
        return u[v];
    }
    return u[v] = publish(v);
}

void solve(int N) {
    n = N;
    vector<int> p(n);
    for(int i = 0; i < n; i++) {
        p[i] = i + 1;
    }
    int cur = ask(p);
    for(int i = 1; i < n; i++) {
        vector<int> b = {p[i]};
        for(int j = 0; j < n; j++) {
            if(i != j) {
                b.push_back(p[j]);
            }
        }
        int tx = cur, ty = ask(b);
        int x = i - (tx - ty + i) / 2;

        vector<int> nw;
        for(int j = 0; j < x; j++) {
            nw.push_back(p[j]);
        }
        nw.push_back(p[i]);
        for(int j = x; j < n; j++) {
            if(j != i) nw.push_back(p[j]);
        }
        nw.swap(p);
        cur -= i - x;
    }
    answer(p);
}

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: 30 / 30