제출 #1061397

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1061397		vjudge1	Mađioničar (COI22_madionicar)	C++17	0 / 100	1164 ms	344 KiB

Main

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

typedef long long ll;

void solve(){
    int n;
    cin >> n;

    int prev = 1, resp, ans = 1;
    int next_prev;
    for(int i = 2; i <= n; i++){
        next_prev = i;

        cout << "? " << prev << " " << i << endl;
        cin >> resp;
        if(resp == 1){
            next_prev = prev;
            ans = max(ans, i-prev+1);
        } 

        if(prev != 1){
            cout << "? " << prev-1 << " " << i << endl;
            cin >> resp;
            if(resp == 1){
                next_prev = prev-2;
                ans = max(ans, i-prev+2);
            }
        }

        prev = next_prev;
    }

    cout << "! " <<  ans << endl;
}

int32_t main(){
    ios_base::sync_with_stdio(0);
    cin.tie(NULL);

    int t = 1;
    // cin >> t;
    while(t--){
        solve();
    }


    return 0;
}

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