제출 #1013750

#제출 시각아이디문제언어결과실행 시간메모리
1013750hotboy2703Unscrambling a Messy Bug (IOI16_messy)C++17
49 / 100
1 ms604 KiB
#include <vector>

#include<bits/stdc++.h>
using namespace std;
using ll = int;
#define pll pair <ll,ll>
#define fi first
#define se second
#define MP make_pair
#define sz(a) (ll((a).size()))
#define BIT(mask,i) (((mask) >> (i))&1)
#define MASK(i) (1LL << (i))

#include "messy.h"
namespace BRUV{
    ll n;
    ll cnt_w,cnt_r;
    vector <ll> p;
    void add(ll l,ll r){
        if (l == r)return;
        string s;
        s.resize(n,'0');
        for (ll i = 0;i < l;i ++)s[i] = '1';
        for (ll i = r+1;i < n;i ++)s[i] = '1';
        ll mid = (l + r) >> 1;
        for (ll i = l;i <= mid;i ++){
            s[i] = '1';
            add_element(s);
            assert(++cnt_w <= 128*3);
            s[i] = '0';
        }
        add(l,mid);
        add(mid+1,r);
    }
    void solve(ll l,ll r,vector <ll> all_pos){
        if (l==r){p[all_pos[0]] = l;return;}
        string s;
        s.resize(n,'1');
        for (auto x:all_pos)s[x] = '0';
        vector <ll> L,R;
        ll mid = (l + r) >> 1;
        for (auto x:all_pos){
            s[x]='1';
            if (check_element(s))L.push_back(x);
            else R.push_back(x);
//            assert(++cnt_r <= 128*3);
            s[x]='0';
        }
        solve(l,mid,L);
        solve(mid+1,r,R);
    }
}
std::vector<int> restore_permutation(int N, int w, int r) {
    using namespace BRUV;
    n=N;
    p.resize(n,-1);
    add(0,n-1);
    compile_set();
    vector <ll> sus(n);
    iota(sus.begin(),sus.end(),0);
    solve(0,n-1,sus);
    return p;
}
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