Submission #935151

#	Time	Username	Problem	Language	Result	Execution time	Memory
935151		Macker	Unscrambling a Messy Bug (IOI16_messy)	C++17	70 / 100	1 ms	856 KiB

messy

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

using namespace std;
typedef long long ll;
#define all(v) v.begin(), v.end()
#define FOR(i, n) for (int i = 0; i < n; i++)

std::vector<int> restore_permutation(int n, int w, int r) {
    int log = (int)(log2(n) + 0.5);
    FOR(l, log){
        string s(n, '0');
        FOR(j, l) s[j] = '1';
        FOR(i, n){
            if(i & (1 << l)){
                string t = s;
                t[i] = '1';
                add_element(t);
            }
        }
        string t(n, '0');
        FOR(j, n) if(s[j] == '0') t[j] = '1';
        add_element(t);
    }
    compile_set();
    vector<int> ids;
    vector<int> p(n, 0);
    FOR(l, log){
        string s(n, '0');
        for (int j : ids) s[j] = '1';
        FOR(i, n){
            if(s[i] == '1') continue;
            string t = s;
            t[i] = '1';
            if(check_element(t)){
                p[i] |= (1 << l);
            }
        }
        s = string(n, '1');
        for (int j : ids) s[j] = '0';
        FOR(i, n){
            if(s[i] == '0') continue;
            string t = s;
            t[i] = '0';
            if(check_element(t)){
                ids.push_back(i);
                break;
            }
        }
    }
    return p;
}

• Subtask 1: 20 / 20
• Subtask 2: 18 / 18
• Subtask 3: 11 / 11
• Subtask 4: 21 / 21
• Subtask 5: 0 / 30