Submission #1259594

#	Time	Username	Problem	Language	Result	Execution time	Memory
1259594		Zbyszek99	Worm Worries (BOI18_worm)	C++20	0 / 100	0 ms	416 KiB

worm

#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
#define ll long long
#define ld long double
#define ull unsigned long long
#define ff first
#define ss second
#define pii pair<int,int>
#define pll pair<long long, long long>
#define vi vector<int>
#define vl vector<long long>
#define pb push_back
#define rep(i, b) for(int i = 0; i < (b); ++i)
#define rep2(i,a,b) for(int i = a; i <= (b); ++i)
#define rep3(i,a,b,c) for(int i = a; i <= (b); i+=c)
#define count_bits(x) __builtin_popcountll((x))
#define all(x) (x).begin(),(x).end()
#define siz(x) (int)(x).size()
#define forall(it,x) for(auto& it:(x))
using namespace __gnu_pbds;
using namespace std;
typedef tree<int, null_type, less<int>, rb_tree_tag,tree_order_statistics_node_update> ordered_set;
//mt19937 mt;void random_start(){mt.seed(chrono::time_point_cast<chrono::milliseconds>(chrono::high_resolution_clock::now()).time_since_epoch().count());}
//ll los(ll a, ll b) {return a + (mt() % (b-a+1));}
const int INF = 1e9+50;
const ll INF_L = 1e18+40;
const ll MOD = 1e9+7;

ll n,m,k,q;
map<ll,int> query_map;

int ask(int x, int y, int z)
{
    x++;
    y++;
    z++;
    if(x < 1 || x > n || y < 1 || y > m || z < 1 || z > k) return 0;
    int h = x-1 + (y-1)*n + (z-1)*n*m;
    if(query_map.find(h) != query_map.end()) return query_map[h];
    cout << "? " << x << " " << y << " " << z << "\n";
    cout.flush();
    cin >> query_map[h];
    return query_map[h];
}

bool check(int x, int y, int z)
{
    return ask(x,y,z) >= max({ask(x-1,y,z),ask(x+1,y,z),ask(x,y-1,z),ask(x,y+1,z),ask(x,y,z-1),ask(x,y,z+1)});
}

pair<int,pii> solve(int ln, int rn, int lm, int rm, int lk, int rk)
{
    if(rn-ln <= 1 && rm-lm <= 1 && rk-lk <= 1)
    {
        rep2(x,ln,rn)
        {
            rep2(y,lm,rm)
            {
                rep2(z,lk,rk)
                {
                    if(check(x,y,z))
                    {
                        return {x,{y,z}};
                    }
                }
            }
        }
    }
    int n_cost = (rm-lm+1)*(rk-lk+1);
    int m_cost = (rn-ln+1)*(rk-lk+1);
    int k_cost = (rm-lm+1)*(rn-ln+1);
    cout << n_cost << " " << m_cost << " " << k_cost << " " << ln << " " << rn << " " << lm << " " << rm << " " << lk << " " << rk << " xd\n";
    if(n_cost == min({n_cost,m_cost,k_cost}))
    {
        pair<int,pair<int,pii>> best = {-1,{-1,{-1,-1}}};
        int n_mid = (ln+rn)/2;
        rep2(y,lm,rm)
        {
            rep2(z,lk,rk)
            {
                best = max(best,{ask(n_mid,y,z),{n_mid,{y,z}}});
            }
        }
        int nxt_val = ask(best.ss.ff+1,best.ss.ss.ff,best.ss.ss.ss);
        if(nxt_val >= best.ff)
        {
            return solve(n_mid+1,rn,lm,rm,lk,rk);
        }
        else
        {
            return solve(ln,n_mid,lm,rm,lk,rk);
        }
    }
    else if(m_cost == min({m_cost,k_cost}))
    {
        pair<int,pair<int,pii>> best = {-1,{-1,{-1,-1}}};
        int m_mid = (lm+rm)/2;
        rep2(x,ln,rn)
        {
            rep2(z,lk,rk)
            {
                best = max(best,{ask(x,m_mid,z),{x,{m_mid,z}}});
            }
        }
        int nxt_val = ask(best.ss.ff,best.ss.ss.ff+1,best.ss.ss.ss);
        if(nxt_val >= best.ff)
        {
            return solve(ln,rn,m_mid+1,rm,lk,rk);
        }
        else
        {
            return solve(ln,rn,lm,m_mid,lk,rm);
        }
    }
    else
    {
        pair<int,pair<int,pii>> best = {-1,{-1,{-1,-1}}};
        int k_mid = (lk+rk)/2;
        rep2(x,ln,rn)
        {
            rep2(y,lm,rm)
            {
                best = max(best,{ask(x,y,k_mid),{x,{y,k_mid}}});
            }
        }
        int nxt_val = ask(best.ss.ff,best.ss.ss.ff,best.ss.ss.ss+1);
        if(nxt_val >= best.ff)
        {
            return solve(ln,rn,lm,rm,k_mid+1,rk);
        }
        else
        {
            return solve(ln,rn,lm,rm,lk,k_mid);
        }
    }
}

int main()
{
    cin >> n >> m >> k >> q;
    pair<int,pii> ans = solve(0,n-1,0,m-1,0,k-1);
    cout << "! " << ans.ff+1 << " " << ans.ss.ff+1 << " " << ans.ss.ss+1 << "\n";
}

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