Submission #385287

#	Time	Username	Problem	Language	Result	Execution time	Memory
385287		mohamedsobhi777	Worm Worries (BOI18_worm)	C++14	0 / 100	1605 ms	19940 KiB

worm

#include <bits/stdc++.h>

using namespace std;

#define vi vector<int>
#define vll vector<ll>
#define vii vector<pair<int, int>>
#define pii pair<int, int>
#define pll pair<ll, ll>
#define loop(_) for (int __ = 0; __ < (_); ++__)
#define pb push_back
#define f first
#define s second
#define sz(_) ((int)_.size())
#define all(_) _.begin(), _.end()
#define lb lower_bound
#define ub upper_bound

using ll = long long;
using ld = long double;

const int N = 1e5 + 7;
const ll mod = 1e9 + 7;

int n, m, k, q;

map<array<int, 3>, int> dp;

int guess(int x, int y, int z)
{
       if (x < 1 || x > n || y < 1 || y > m || z < 1 || z > k)
              return 0;
       if (dp.count({x, y, z}))
              return dp[{x, y, z}];
       --q;
       cout << "? " << x << " " << y << " " << z << endl;
       cout << flush;
       int ret;
       cin >> ret;
       return dp[{x, y, z}] = ret;
}

void Answer(int x, int y, int z)
{
       cout << "! " << x << " " << y << " " << z << endl;
       cout << flush;
       exit(0);
}

int rnd(int x, int y)
{
       return x + rand() % (y - x + 1);
}

int main()
{
       ios_base::sync_with_stdio(0);
       cin.tie(0);
#ifndef ONLINE_JUDGE
       // freopen("in.in", "r", stdin);
#endif
       srand(time(0));
       cin >> n >> m >> k >> q;
       while (q >= 3)
       {
              int x = rnd(1, n), y = rnd(1, m), z = rnd(1, k);
              int mg = guess(x, y, z);
              bool flag = 1;
              for (int a = -1; a <= 1; ++a)
              {
                     for (int b = -1; b <= 1; ++b)
                     {
                            for (int c = -1; c <= 1; ++c)
                            {
                                   if (abs(a) + abs(b) + abs(c) != 1 || !flag)
                                          continue;
                                   flag &= (mg >= guess(x + a, y + b, z + c));
                            }
                     }
              }
              if (flag)
                     Answer(x, y, z);
       }
       assert(0);
       return 0;
}

• Subtask 1: 0 / 10
• Subtask 2: 0 / 22
• Subtask 3: 0 / 12
• Subtask 4: 0 / 19
• Subtask 5: 0 / 14
• Subtask 6: 0 / 23