Submission #935193

#	Time	Username	Problem	Language	Result	Execution time	Memory
935193		Macker	Unscrambling a Messy Bug (IOI16_messy)	C++14	100 / 100	3 ms	688 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){
        FOR(i, n){
            if(i & (1 << l)){
                string t(n, '0');
                FOR(j, n){
                    bool on = 0;
                    FOR(k, l){
                        if(((j & (1 << k)) ^ (i & (1 << k)))) on = 1;
                    }
                    if(on) t[j] = '1';
                }
                t[i] = '1';
                add_element(t);
            }
        }
    }
    compile_set();
    vector<int> p(n, 0);
    FOR(l, log){
        FOR(i, n){
            string t(n, '0');
            FOR(j, n){
                bool on = 0;
                FOR(k, l){
                    if(((p[j] & (1 << k)) ^ (p[i] & (1 << k)))) on = 1;
                }
                if(on) t[j] = '1';
            }
            t[i] = '1';
            if(check_element(t)){
                p[i] |= (1 << l);
            }
        }
    }
    return p;
}

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