Submission #1007769

#	Time	Username	Problem	Language	Result	Execution time	Memory
1007769		amirhoseinfar1385	Mađioničar (COI22_madionicar)	C++17	38 / 100	1182 ms	412 KiB

Main

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

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

int main(){
	int res=1;
	int l=1;
	int n;
	cin>>n;
	for(int i=2;i<=n;i++){
		l--;
		while(pors(l,i)==0){
			l++;
		}
		res=max(res,i-l+1);
	}
	cout<<"! "<<res<<"\n";
}

• Subtask 1: 13 / 13
• Subtask 2: 25 / 25
• Subtask 3: 0 / 25
• Subtask 4: 0 / 37