Submission #576051

#	Time	Username	Problem	Language	Result	Execution time	Memory
576051		ddy888	Art Collections (BOI22_art)	C++17	100 / 100	1714 ms	796 KiB

art

#include "art.h"
#include <bits/stdc++.h>
using namespace std;
using ll = long long;
#define pb push_back
#define fi first
#define si second
typedef pair<int,int> pi;
typedef tuple<int,int,int> ti;  
void debug_out() {cerr<<endl;}
template <typename Head, typename... Tail>
void debug_out(Head _H, Tail... _T) {cerr<<" "<<to_string(_H);debug_out(_T...);}
#define debug(...) cerr<<"["<<#__VA_ARGS__<<"]:",debug_out(__VA_ARGS__)
mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());

int n, ans[4010];
vector<int> order;
set<int> idx;

void solve(int N) {
    n = N;
    order.resize(n);
    for (int i = 0; i < n; ++i) order[i] = i + 1, idx.insert(i);
    memset(ans, -1, sizeof ans);
    int u = 0, v = 0;
    for (int cur = 1; cur < n; ++cur) {
        if (u == 0) u = publish(order);
        order.insert(order.begin(), order.back());
        order.pop_back();        
        v = publish(order);
        ans[order[0]] = (v - u + n) / 2;
        idx.erase(ans[order[0]]);
        u = v;
    }
    for (int i = 1; i <= n; ++i) {
        if (ans[i] == -1) order[*idx.begin()] = i;
        else order[ans[i]] = i;
    }
    answer(order);
}

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