Submission #396865

#	Time	Username	Problem	Language	Result	Execution time	Memory
396865		rocks03	Unscrambling a Messy Bug (IOI16_messy)	C++14	49 / 100	2 ms	332 KiB

messy

#include<bits/stdc++.h>
using namespace std;
#define ll long long
#define pii pair<int, int>
#define pll pair<ll, ll>
#define ff first
#define ss second
#define pb push_back
#define SZ(x) ((int)(x).size())
#define all(x) x.begin(), x.end()
#define debug(x) cout << #x << ": " << x << " "
#define nl cout << "\n"
#define rep(i, a, b) for(int i = (a); i < (b); i++)
#define per(i, a, b) for(int i = (a); i >= (b); i--)
mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());

void add_element(string x);
void compile_set();
bool check_element(string x);

vector<int> restore_permutation(int N, int W, int R){
    string s = "";
    rep(i, 0, N) s += '0';
    rep(i, 0, N){
        s[i] = '1';
        add_element(s);
    }
    compile_set();
    rep(i, 0, N) s[i] = '0';
    vector<int> ans(N, -1);
    rep(i, 0, N){
        vector<int> q;
        rep(j, 0, N){
            if(s[j] == '1') continue;
            q.pb(j);
        }
        shuffle(all(q), rng);
        for(int j : q){
            s[j] = '1';
            if(check_element(s)){
                ans[j] = i;
                break;
            }
            s[j] = '0';
        }
    }
    return ans;
}

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