Submission #586189

#	Time	Username	Problem	Language	Result	Execution time	Memory
586189		Tien_Noob	Unscrambling a Messy Bug (IOI16_messy)	C++17	100 / 100	2 ms	596 KiB

messy

//Make CSP great again
//Vengeance
#include <bits/stdc++.h>
#include <messy.h>
#define TASK "TESTCODE"
#define Log2(x) 31 - __builtin_clz(x)
using namespace std;
string s;
vector<int> res;
void gen(int l, int r)
{
    if (l == r)
    {
        return ;
    }
    fill(s.begin(), s.end(), '1');
    fill(s.begin() + l, s.begin() + r + 1, '0');
    int mid = (l + r)/2;
    for (int i = l; i <= mid; ++ i)
    {
        s[i] = '1';
        add_element(s);
        s[i] = '0';
    }
    //fill(s.begin() + mid + 1, s.end(), '1');
    gen(l, mid);
    //fill(s.begin(), s.begin() + mid + 1, '1');
    gen(mid + 1, r);
}
void DnC(int l, int r, vector<int> val)
{
    fill(s.begin(), s.end(), '1');
    for (int i : val)
    {
        s[i] = '0';
    }
    if (l == r)
    {
        res[val.front()] = l;
        return ;
    }
    vector<int> L, R;
    int mid = (l + r)/2;
    for (int i : val)
    {
        s[i] = '1';
        if (check_element(s))
        {
            L.push_back(i);
        }
        else
        {
            R.push_back(i);
        }
        s[i] = '0';
    }
    /*for (int i : R)
    {
        s[i] = '1';
    }*/
    DnC(l, mid, L);
    /*for (int i : L)
    {
        s[i] = '1';
    }*/
    DnC(mid + 1, r, R);
}
vector<int> restore_permutation(int n, int w, int r)
{
    s.resize(n);
    res.resize(n);
    gen(0, n - 1);
    compile_set();
    vector<int> tmp(n);
    iota(tmp.begin(), tmp.end(), 0);
    DnC(0, n - 1, tmp);
    return res;
}
/*void read()
{
    //restore_permutation(8, 10, 10);
    //s.resize(8);
    //gen(0,7);
}
void solve()
{

}
int main()
{
    ios_base::sync_with_stdio(false);
    cin.tie(nullptr);
    if (fopen(TASK".INP", "r"))
    {
        freopen(TASK".INP", "r", stdin);
        //freopen(TASK".OUT", "w", stdout);
    }
    int t = 1;
    bool typetest = false;
    if (typetest)
    {
        cin >> t;
    }
    for (int __ = 1; __ <= t; ++ __)
    {
        //cout << "Case " << __ << ": ";
        read();
        solve();
    }
}*/

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