Submission #95685

#	Time	Username	Problem	Language	Result	Execution time	Memory
95685		lyc	Unscrambling a Messy Bug (IOI16_messy)	C++14	20 / 100	3 ms	384 KiB

messy

#include <vector>

#include "messy.h"
#include <bits/stdc++.h>
using namespace std;

std::vector<int> restore_permutation(int n, int w, int r) {
//    add_element("0");
//    compile_set();
//    check_element("0");
    string x(n, '0');
    for (int i = 0; i < n; ++i) {
        x[i] = '1';
        add_element(x);
    }
    compile_set();

    int mask[n+1];
    for (int i = 0; i < (1<<n); ++i) {
        int cnt = 0;
        string s = "";
        for (int j = 0; j < n; ++j) if (i&(1<<j)) s += '1', ++cnt; else s += '0';

        bool found = check_element(s);
        if (found) {
            //cout << cnt << ": " << s << endl;
            mask[cnt] = i;
        }
    }

    //cout << "COMPILED" << endl;
    vector<int> p(n, 0);
    mask[0] = 0;
    for (int i = 1; i <= n; ++i) {
        int cur = mask[i] ^ mask[i-1];
        //cout << mask[i] << " : ";
        //for (int j = 0; j < n; ++j) if (cur&(1<<j)) cout << '1'; else cout << '0'; cout << endl;
        for (int j = 0; j < n; ++j) if (cur & (1<<j)) {
            //cout << "ASSIGN " << j << " " << i << endl;
            p[j] = i-1;
        }
    }

    return p;
}

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