제출 #1259686

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1259686		SzymonKrzywda	Worm Worries (BOI18_worm)	C++20	10 / 100	0 ms	436 KiB

worm

#include <iostream>
#include <map>

using namespace std;


map<int, int> queries;



int ask(int x, int y = 1, int z = 1) {
    if (queries.find(x) != queries.end()) return queries[x];
    cout << "? " << x << ' ' << y << ' ' << z << endl;
    cin >> queries[x];
    return queries[x];
}

int main() {
    ios_base::sync_with_stdio(0);
    cin.tie(0);

    int q, n, m, k;

    cin >> n >> m >> k >> q;
    
    int left = 1, right = n;
    int akt_max = ask(1);

    while (left < right) {
        int mid = (left + right + 1) / 2;
        int val = ask(mid);
        if (val <= akt_max) right = mid - 1;
        else {
            int val2 = ask(mid - 1);
            if (val2 < val) {
                left = mid;
                akt_max = val;
            }
            else right = mid - 1;
        }
    }

    cout << "! " << left << ' ' << 1 << ' ' << 1 << '\n'; 


    return 0;
}

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