Submission #1273989

#	Time	Username	Problem	Language	Result	Execution time	Memory
1273989		oswaldzz	Mađioničar (COI22_madionicar)	C++20	0 / 100	475 ms	424 KiB

Main

#include <bits/stdc++.h>
using namespace std;
#define int long long
#define nl endl
#define hehe ios_base::sync_with_stdio(0); cin.tie(NULL); cout.tie(NULL);

const int mod = 1e9+7;
const int M = 2e5+5;

void solve(){
    int n; cin >> n;
    int ans = 0;
    for(int i = 1; i <= n; i++){
        for(int j = i; j <= n; j++){
            cout << "? " << i << ' ' << j << nl;
            cout.flush(); 
            int x; cin >> x;
            if(x == 1) ans = max(ans, j - i + 1);
        }
    }
    cout << "! " << ans << nl;
    cout.flush();
}

signed main(){
    hehe
    int t = 1;
    while(t--){
        solve();
    }
    return 0;
}

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