Submission #716045

#	Time	Username	Problem	Language	Result	Execution time	Memory
716045		Charizard2021	Worm Worries (BOI18_worm)	C++17	10 / 100	1 ms	208 KiB

worm

#include<bits/stdc++.h>
using namespace std;
int main(){
	int n, m, k, maxq;
	cin >> n >> m >> k >> maxq;
	int lo = 1, hi = n+1;
	while(lo+1 < hi){
		int mi = (lo + hi) / 2;
		int r1, r2;
		cout << "? " << mi - 1 << " 1 1" << endl;
		cin >> r1;
		if (r1 == -1) exit(0);
		cout << "? " << mi << " 1 1" << endl;
		cin >> r2;
		if (r2 == -1){
            exit(0);
        }
		if(r1 >= r2){
            hi = mi;
        }
		else{
            lo = mi;
        }
	}
	cout << "! " << lo << " 1 1" << endl;
}

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