Submission #1127604

#TimeUsernameProblemLanguageResultExecution timeMemory
1127604LudisseyWorm Worries (BOI18_worm)C++20
0 / 100
44 ms1056 KiB
#include <bits/stdc++.h>
#define sz(a) (int)a.size()
#define all(a) a.begin(), a.end()
using namespace std;
vector<int> a;
map<pair<int,pair<int,int>>,int> req;
int n,m,k,q; 

void give_ans(int x, int y, int z){
    cout << "! " << x+1 << " " << y+1 << " " << z+1 << endl;
    return;
}
int ask(int x, int y, int z){
    if(req.find({x,{y,z}})!=req.end()) return req[{x,{y,z}}];
    if(x<0||x>=n||y<0||y>=m||z<0||z>=k) return -1e9;
    cout << "? " << x+1 << " " << y+1 << " " << z+1 << endl;
    int ans; cin>>ans;
    req[{x,{y,z}}]=ans;
    return ans;
}

int linemax(int y){
    int mx=0;
    for (int i = 0; i < n; i++)
    {
        mx=max(ask(i,y,0),mx);
    }
    return mx;
}


signed main() {
    ios_base::sync_with_stdio(false); cin.tie(nullptr);
    cin >> n >> m >> k >> q;
    int l=0; int r=m-1;
    while(l<r){
        int mid1=l+(r-l)/3;
        int mid2=r-(r-l)/3;
        int amid1=linemax(mid1);
        int amid2=linemax(mid2);
        if(amid1<amid2){
            l=mid1+1;
        }else{
            r=mid2-1;
        }
    }
    give_ans(linemax(l),l,0);
    return 0;
}

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