Submission #1007793

#	Time	Username	Problem	Language	Result	Execution time	Memory
1007793		amirhoseinfar1385	Mađioničar (COI22_madionicar)	C++17	100 / 100	1191 ms	344 KiB

Main

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

bool pors(int l,int r){
	if(l>r||l<=0){
		return 0;
	}
	if(l==r){
		return 1;
	}
	cout<<"? "<<l<<" "<<r<<endl;
	int x;
	cin>>x;
	return x;
}

int main(){
	int res=1;
	int n;
	cin>>n;
	for(int i=2;i<=n;i++){
		if(pors(i-res,i)){
			res++;
		}else if(pors(i-res-1,i)){
			res+=2;
		}
	}
	cout<<"! "<<res<<"\n";
}

• Subtask 1: 13 / 13
• Subtask 2: 25 / 25
• Subtask 3: 25 / 25
• Subtask 4: 37 / 37