Submission #1261256

#	Time	Username	Problem	Language	Result	Execution time	Memory
1261256		Zbyszek99	Worm Worries (BOI18_worm)	C++20	0 / 100	3076 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;

ld c1 = ((ld)sqrt(5)-1)/2;
ld c2 = 1-c1;

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

int ask(int x)
{
    int y = 1;
    int z = 1;
    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 << endl;
    cin >> query_map[h];
    return query_map[h];
}

void solve(int l, int r, int q1, int q2)
{
    q1 = min(r,q1);
    q1 = max(l,q1);
    q2 = min(r,q2);
    q2 = max(l,q2);
    if(q1 == q2)
    {
        ll d1 = l*c1+r*c2;
        ll d2 = l*c2+r*c1;
        if(abs(d1-q1) > abs(d2-q1)) q2 = d2;
        else q2 = d1;
    }
    if(q1 > q2) swap(q1,q2);
    if(r-l+1 <= 1)
    {
        rep2(i,l,r)
        {
            if(ask(i) >= ask(i-1) && ask(i) >= ask(i+1))
            {
                cout << "! " << i << " 1 1\n";
                return;
            }
        }
    } 
    int v1 = ask(q1);
    int v2 = ask(q2);
    if(v1 > v2)
    {
        solve(l,q2-1,q1,c2*(ld)l+(ld)(q2-1)*c1);
    }
    else
    {
        solve(q1+1,r,q2,(ld)(q1+1)*c2+(ld)r*c1);
    }
}


int main()
{
    cin >> n >> m >> k >> q;
    ll l = (ld)n*c2;
    ll r = (ld)n*c1;
   // cout << l << " " << r << " " << (ld)n*c << " " << c << " lr\n";
    solve(1,n,l,r);
}

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