Submission #417871

#	Time	Username	Problem	Language	Result	Execution time	Memory
417871		yuto1115	Unscrambling a Messy Bug (IOI16_messy)	C++17	70 / 100	2 ms	460 KiB

messy

#include "messy.h"
#include <bits/stdc++.h>
#define rep(i, n) for(ll i = 0; i < ll(n); i++)
#define rep2(i, s, n) for(ll i = ll(s); i < ll(n); i++)
#define rrep(i, n) for(ll i = ll(n)-1; i >= 0; i--)
#define all(a) a.begin(),a.end()
#define rall(a) a.rbegin(),a.rend()
#define pb push_back
#define eb emplace_back
using namespace std;
using ll = long long;
using P = pair<int, int>;
using vi = vector<int>;
using vvi = vector<vi>;
using vl = vector<ll>;
using vvl = vector<vl>;
using vp = vector<P>;
using vvp = vector<vp>;
using vb = vector<bool>;
using vvb = vector<vb>;
using vs = vector<string>;

template<class T>
bool chmin(T &a, T b) {
    if (a > b) {
        a = b;
        return true;
    }
    return false;
}

template<class T>
bool chmax(T &a, T b) {
    if (a < b) {
        a = b;
        return true;
    }
    return false;
}

const int inf = 1001001001;
const ll linf = 1001001001001001001;

vi restore_permutation(int n, int w, int r) {
    int log;
    if (n == 8) log = 3;
    else if (n == 32) log = 5;
    else log = 7;
    rep(i, log) {
        string s(n, '0');
        rep(j, i + 1) s[j] = '1';
        add_element(s);
    }
    rep2(i, log, n) {
        rep(j, log) {
            if (i >> j & 1) {
                string s(n, '0');
                s[i] = '1';
                if (j < log - 1) s[j + 1] = '1';
                else s[log - 2] = s[log - 1] = '1';
                add_element(s);
            }
        }
    }
    compile_set();
    vi pos(log), ans(n, -1);
    rep(i, log) {
        rep(j, n) {
            if (ans[j] >= 0) continue;
            string s(n, '0');
            s[j] = '1';
            rep(k, i) s[pos[k]] = '1';
            if (check_element(s)) {
                pos[i] = j;
                ans[j] = i;
                break;
            }
        }
    }
    rep(i, n) {
        if (ans[i] >= 0) continue;
        ans[i] = 0;
        rep(j, log) {
            string s(n, '0');
            s[i] = '1';
            if (j < log - 1) s[pos[j + 1]] = '1';
            else s[pos[log - 2]] = s[pos[log - 1]] = '1';
            if (check_element(s)) {
                ans[i] += 1 << j;
            }
        }
    }
    return ans;
}

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