Submission #723737

#	Time	Username	Problem	Language	Result	Execution time	Memory
723737		rshohruh	Worm Worries (BOI18_worm)	C++14	10 / 100	1 ms	208 KiB

worm

#include <iostream>
#include <bits/stdc++.h>
#include <time.h>
using namespace std;


int N, Q, K, M;
map<int, int> mp;
int ask(int x) {
    if(mp.count(x)) return mp[x];
    cout << "? " << x << " 1 1" << endl;
    int h;
    cin >> h;
    return mp[x] = h;
}

int main() {
    cin >> N >> M >> K >> Q;

    int left = 1, right = N;
    while (left < right) {
        int mid = (left + right) / 2;
        int h1 = ask(mid);
        int h2 = ask(mid + 1);
        if (h1 > h2) {
            right = mid;
        } else {
            left = mid + 1;
        }
    }

    cout << "! " << left << " 1 1" << endl;

    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