Submission #789349

#	Time	Username	Problem	Language	Result	Execution time	Memory
789349		fatemetmhr	Unscrambling a Messy Bug (IOI16_messy)	C++17	20 / 100	1 ms	340 KiB

messy

//  ~ Be Name Khoda ~  //



#include "messy.h"
#include <bits/stdc++.h>
//#pragma GCC optimize ("O3")
//#pragma GCC target("avx2")
//#pragma GCC optimize("unroll-loops,Ofast")

using namespace std;

typedef long long ll;

#define pb       push_back
#define mp       make_pair
#define all(x)   x.begin(), x.end()
#define fi       first
#define se       second

const int maxn  =  1e6   + 10;
const int maxn5 =  5e5   + 10;
const int maxnt =  1.2e6 + 10;
const int maxn3 =  1e3   + 10;
const int mod   =  1e9   + 7;
const ll  inf   =  1e18;

string t = "00000000";

vector <pair<pair<int, pair<int, int>>, string>> av;

void build(int l, int r){
    if(r - l == 1)
        return;
    int mid = (l + r) >> 1;
    string s = t;
    for(int i = l; i < mid; i++)
        s[i] = '1';
    av.pb({{r - l, {l, r}}, s});
    add_element(s);
    build(l, mid);
    build(mid, r);
}

std::vector<int> restore_permutation(int n, int w, int r) {
    build(0, n);
    compile_set();
    sort(all(av));
    vector <int> ans;
    for(int i = 0; i < n; i++)
        ans.pb(i);
    while(av.size()){
        string s = av.back().se;
        int l = av.back().fi.se.fi, r = av.back().fi.se.se;
        int mid = (l + r) >> 1;
        av.pop_back();
        if(check_element(s))
            continue;
        for(int i = l; i < mid; i++) for(int j = mid; j < r; j++){
            s[i] = '0';
            s[j] = '1';
            if(check_element(s)){
                swap(ans[i], ans[j]);
                return ans;
            }
            s[i] = '1';
            s[j] = '0';
        }
    }
    return ans;
}

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