Submission #543699

#	Time	Username	Problem	Language	Result	Execution time	Memory
543699		fuad27	Unscrambling a Messy Bug (IOI16_messy)	C++17	0 / 100	2 ms	468 KiB

messy

#include <bits/stdc++.h>

#include "messy.h"
using namespace std;
string s = "";
int n;
vector<int> ans;
void fill(int l, int r, char c) {
    for(int i = l;i<=r;i++) {
        s[i] = c;
    }
}

void add(int l, int r) {
    fill(0, n-1, '0');
    fill(0, l-1, '1');
    fill(r+1, n-1, '1');
    int mid = (l+r)/2;
    for(int i = l;i<=mid;i++) {
        s[i] = '1';
        add_element(s);
        s[i] = '0';
    }
    add(l, mid);
    add(mid+1, r);
}
void solve(vector<int> v, int l, int r) {
    if(l == r) {
        ans[l] = v[0];
    }
    fill(0, n-1, '0');
    fill(0, l-1, '1');
    fill(r+1, n-1, '1');
    int mid = (l+r)>>1ll;
    vector<int> left, right;
    for(int i:v) {
        s[i] = '1';
        if(check_element(s)) {
            left.push_back(i);
        }
        else right.push_back(i);
        s[i] = '0';
    }
    solve(left, l, mid);
    solve(right, mid+1, r);
}


std::vector<int> restore_permutation(int N, int w, int r) {
    n = N;
    for(int i = 0;i<n;i++)s+="0";
    vector<int> v(n);
    ans.resize(n);
    iota(v.begin(), v.end(), 1);
    add(0, n-1);
    compile_set();
    solve(v, 0, n-1);
    //for(int i:ans)cout << i << " ";
    return ans;
}

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