Submission #1274064

#TimeUsernameProblemLanguageResultExecution timeMemory
1274064tatas07Mađioničar (COI22_madionicar)C++20
0 / 100
481 ms424 KiB
#include <bits/stdc++.h>
using namespace std;
int main(){
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    cout.tie(0);
    int n;
    cin>>n;
    int ans=1;
    for (int i = 1; i <=n; i++)
    {
        for (int j = i; j <=n; j++)
        {
            cout<<"? "<<i<<" "<<j<<endl;
            int x;
            cin>>x;
            if(x==1){
                ans=max((j-i+1),ans);
            }
        }
        
    }
    cout<<"! "<<ans<<endl;
}
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