Submission #779416

#	Time	Username	Problem	Language	Result	Execution time	Memory
779416		groshi	Mađioničar (COI22_madionicar)	C++17	100 / 100	1552 ms	292 KiB

Main

#include<bits/stdc++.h>
#define int long long
using namespace std;
bool pyta(int x,int y)
{
    cout<<"? "<<x<<" "<<y<<"\n";
    int co;
    cin>>co;
    return co;
}
int32_t main()
{
    //cin.tie(0);
    //cout.tie(0);
    //ios_base::sync_with_stdio(0);
    int n;
    cin>>n;
    int nie=3;
    for(int i=1;i<=n;i++)
    {
        while(i-nie/2>=1 && i+nie/2<=n && pyta(i-nie/2,i+nie/2))
                nie+=2;
    }
    int parz=2;
    for(int i=1;i<=n;i++)
    {
        while(i-parz/2>=1 && i+parz/2-1<=n && pyta(i-parz/2,i+parz/2-1))
            parz+=2;
    }
    cout<<"! "<<max(nie-2,parz-2);
    return 0;
}

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