Submission #555359

#	Time	Username	Problem	Language	Result	Execution time	Memory
555359		Tien_Noob	Cave (IOI13_cave)	C++17	100 / 100	241 ms	588 KiB

cave

//Make CSP great again
//Vengeance
#include <bits/stdc++.h>
#include <cave.h>
#define TASK "TESTCODE"
#define Log2(x) 31 - __builtin_clz(x)
using namespace std;
const int N = 5e3;
int state[N + 1], door[N + 1];
void exploreCave(int n)
{
    memset(door, -1, sizeof(door));
    for (int i = 0; i < n; ++ i)
    {
        int low = 0, high = n - 1;
        bool need = (tryCombination(state) == i);
        while(low < high)
        {
            int mid = (low + high)/2;
            for (int j = low; j <= mid; ++ j)
            {
                if (door[j] == -1)
                {
                    state[j] = 1;
                }
            }
            bool t = (tryCombination(state) == i);
            for (int j = low; j <= mid; ++ j)
            {
                if (door[j] == -1)
                {
                    state[j] = 0;
                }
            }
            if (t == need)
            {
                low = mid + 1;
            }
            else
            {
                high = mid;
            }
        }
        door[low] = i;
        state[low] = need;
    }
    answer(state, door);
}
/*void read()
{

}
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: 12 / 12
• Subtask 2: 13 / 13
• Subtask 3: 21 / 21
• Subtask 4: 30 / 30
• Subtask 5: 24 / 24