Submission #1260025

#	Time	Username	Problem	Language	Result	Execution time	Memory
1260025		SzymonKrzywda	Worm Worries (BOI18_worm)	C++20	10 / 100	1 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;

    while (left < right) {
        //int mid1 = left + (right - left) / (1 + 1.61803399);
        //int mid2 = right - (right - left) / (1 + 1.61803399);
        int mid1 = (left + right) / 2;
        int mid2 = mid1 + 1;
        if (mid2 > n) mid2 = mid1 - 1;

        int val1 = ask(mid1);
        int val2 = ask(mid2);

        if (val1 <= val2) left = mid1 + 1;
        else right = mid2 - 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