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Submission #959790

# Submission time Handle Problem Language Result Execution time Memory
959790 2024-04-09T05:32:29 Z Darren0724 Mađioničar (COI22_madionicar) C++17
0 / 100
 0 ms 436 KB 
#include <bits/stdc++.h>
using namespace std;
#define LCBorz ios_base::sync_with_stdio(false); cin.tie(0);
#define all(x) x.begin(), x.end()
//#define endl '\n'
const int N=200005;
int ask(int a,int b){
    cout<<"? "<<a<<' '<<b<<endl;
    int p;cin>>p;
    return p;
}
int32_t main() {
    //LCBorz;
    int n;cin>>n;
    int ans=1;
    for(int t:{0,1}){
        int len=t;
        for(int i=1;i<=n;i++){
            while(i+len+1<=n&&ask(i,i+len+1)){
                len+=2;
                i--;
            }
            ans=max(ans,len);
        }
    }
    cout<<"! "<<ans<<endl;
    
    return 0;
}

Subtask #1
0 / 13.0

# Verdict Execution time Memory Grader output
1 Runtime error 0 ms 436 KB Execution killed with signal 13
2 Halted 0 ms 0 KB -

Subtask #2
0 / 25.0

# Verdict Execution time Memory Grader output
1 Runtime error 0 ms 436 KB Execution killed with signal 13
2 Halted 0 ms 0 KB -

Subtask #3
0 / 25.0

# Verdict Execution time Memory Grader output
1 Runtime error 0 ms 436 KB Execution killed with signal 13
2 Halted 0 ms 0 KB -

Subtask #4
0 / 37.0

# Verdict Execution time Memory Grader output
1 Runtime error 0 ms 436 KB Execution killed with signal 13
2 Halted 0 ms 0 KB -