Submission #853673

#	Time	Username	Problem	Language	Result	Execution time	Memory
853673		hgmhc	Unscrambling a Messy Bug (IOI16_messy)	C++17	38 / 100	2 ms	348 KiB

messy

#include "messy.h"
#include <bits/stdc++.h>
using namespace std; using ii = pair<int,int>; using ll = long long; using vi = vector<int>;
#define rep(i,a,b) for (auto i = (a); i <= (b); ++i)
#define per(i,a,b) for (auto i = (b); i >= (a); --i)
#define all(x) begin(x), end(x)
#define siz(x) int((x).size())
#define Mup(x,y) x = max(x,y)
#define mup(x,y) x = min(x,y)
#define fi first
#define se second
#define dbg(...) fprintf(stderr,__VA_ARGS__)

inline vi flip(vi v, int k) { v[k] ^= 1; return v; }
inline string str(vi v) {
    string r;
    for (const auto &e : v) r += '0'+e;
    return r;
}

vi restore_permutation(int n, int w, int r) {
    rep(i,1,n) add_element(string(i,'1')+string(n-i,'0'));
    compile_set();
    vi p(n), b(n), ch(n);
    rep(i,0,n-1) {
        vi mp(n); iota(all(mp),0);
        random_shuffle(all(mp));
        for (auto j : mp) if (!ch[j]) {
            if (check_element(str(flip(b,j)))) {
                ch[j] = 1;
                p[j] = i;
                b[j] = 1;
                break;
            }
        }
    }
    return p;
}

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