Submission #957821

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
957821	2024-04-04T11:12:14 Z	ono_de206	Mađioničar (COI22_madionicar)	C++14	100 / 100	1079 ms	852 KB

Main

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

#define fast ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0);
#define in insert
#define all(x) x.begin(),x.end()
#define pb push_back
#define eb emplace_back
#define ff first
#define ss second

// #define int long long

typedef long long ll;
typedef vector<int> vi;
typedef set<int> si;
typedef multiset<int> msi;
typedef pair<int, int> pii;
typedef vector<pii> vpii;
// typedef pair<int, int> P;

template<typename T, typename U>
ostream & operator << (ostream &out, const pair<T, U> &c) {
	out << c.first << ' ' << c.second;
	return out;
}

template<typename T>
ostream & operator << (ostream &out, vector<T> &v) {
	const int sz = v.size();
	for (int i = 0; i < sz; i++) {
		if (i) out << ' ';
		out << v[i];
	}
	return out;
}

template<typename T>
istream & operator >> (istream &in, vector<T> &v) {
	for (T &x : v) in >> x;
	return in;
}

template<typename T, typename U>
	istream & operator >> (istream &in, pair<T, U> &c) {
	in >> c.first;
	in >> c.second;
	return in;
}

template<typename T>
void mxx(T &a, T b){if(b > a) a = b;}
template<typename T>
void mnn(T &a, T b){if(b < a) a = b;}

const int mxn = 1e5 + 10, MXLOG = 22, mod = 1e9 + 7, P = 1181, D = 1523, N = 2500;
const long long inf = 2e18 + 10;
int p[mxn];

int ask(int l, int r) {
	cout << "? " << l << ' ' << r << endl;
	int res;
	cin >> res;
	return res;
}

void go() {
	int n;
	cin >> n;
	int odd = 0, even = 0;
	for(int i = 1; i <= n; i++) {
		while(i - odd - 1 >= 1 && i + odd + 1 <= n && ask(i - odd - 1, i + odd + 1) == 1) odd++;
		while(i - even >= 1 && i + even + 1 <= n && ask(i - even, i + even + 1) == 1) even++;
	}
	cout << "! " << max(odd * 2 + 1, even * 2) << endl;
}

signed main() {
	fast;
	int t = 1;
	// cin >> t;
	while(t--) {
		go();
	}
	return 0;
}

Subtask #1
13.0 / 13.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	70 ms	344 KB	Output is correct
2	Correct	63 ms	344 KB	Output is correct
3	Correct	70 ms	344 KB	Output is correct
4	Correct	66 ms	344 KB	Output is correct
5	Correct	84 ms	344 KB	Output is correct
6	Correct	71 ms	344 KB	Output is correct
7	Correct	77 ms	344 KB	Output is correct
8	Correct	70 ms	344 KB	Output is correct
9	Correct	64 ms	344 KB	Output is correct
10	Correct	55 ms	344 KB	Output is correct

Subtask #2
25.0 / 25.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	70 ms	344 KB	Output is correct
2	Correct	63 ms	344 KB	Output is correct
3	Correct	70 ms	344 KB	Output is correct
4	Correct	66 ms	344 KB	Output is correct
5	Correct	84 ms	344 KB	Output is correct
6	Correct	71 ms	344 KB	Output is correct
7	Correct	77 ms	344 KB	Output is correct
8	Correct	70 ms	344 KB	Output is correct
9	Correct	64 ms	344 KB	Output is correct
10	Correct	55 ms	344 KB	Output is correct
11	Correct	652 ms	344 KB	Output is correct
12	Correct	670 ms	344 KB	Output is correct
13	Correct	658 ms	344 KB	Output is correct
14	Correct	679 ms	344 KB	Output is correct
15	Correct	590 ms	344 KB	Output is correct
16	Correct	618 ms	344 KB	Output is correct
17	Correct	678 ms	344 KB	Output is correct
18	Correct	630 ms	344 KB	Output is correct
19	Correct	663 ms	344 KB	Output is correct
20	Correct	620 ms	344 KB	Output is correct
21	Correct	639 ms	344 KB	Output is correct
22	Correct	665 ms	344 KB	Output is correct

Subtask #3
25.0 / 25.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	971 ms	344 KB	Output is correct
2	Correct	763 ms	344 KB	Output is correct
3	Correct	1079 ms	344 KB	Output is correct
4	Correct	950 ms	344 KB	Output is correct
5	Correct	975 ms	344 KB	Output is correct
6	Correct	990 ms	344 KB	Output is correct
7	Correct	928 ms	344 KB	Output is correct
8	Correct	979 ms	344 KB	Output is correct
9	Correct	918 ms	344 KB	Output is correct
10	Correct	944 ms	344 KB	Output is correct
11	Correct	940 ms	344 KB	Output is correct
12	Correct	959 ms	344 KB	Output is correct
13	Correct	1054 ms	344 KB	Output is correct
14	Correct	983 ms	344 KB	Output is correct

Subtask #4
37.0 / 37.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	70 ms	344 KB	Output is correct
2	Correct	63 ms	344 KB	Output is correct
3	Correct	70 ms	344 KB	Output is correct
4	Correct	66 ms	344 KB	Output is correct
5	Correct	84 ms	344 KB	Output is correct
6	Correct	71 ms	344 KB	Output is correct
7	Correct	77 ms	344 KB	Output is correct
8	Correct	70 ms	344 KB	Output is correct
9	Correct	64 ms	344 KB	Output is correct
10	Correct	55 ms	344 KB	Output is correct
11	Correct	652 ms	344 KB	Output is correct
12	Correct	670 ms	344 KB	Output is correct
13	Correct	658 ms	344 KB	Output is correct
14	Correct	679 ms	344 KB	Output is correct
15	Correct	590 ms	344 KB	Output is correct
16	Correct	618 ms	344 KB	Output is correct
17	Correct	678 ms	344 KB	Output is correct
18	Correct	630 ms	344 KB	Output is correct
19	Correct	663 ms	344 KB	Output is correct
20	Correct	620 ms	344 KB	Output is correct
21	Correct	639 ms	344 KB	Output is correct
22	Correct	665 ms	344 KB	Output is correct
23	Correct	971 ms	344 KB	Output is correct
24	Correct	763 ms	344 KB	Output is correct
25	Correct	1079 ms	344 KB	Output is correct
26	Correct	950 ms	344 KB	Output is correct
27	Correct	975 ms	344 KB	Output is correct
28	Correct	990 ms	344 KB	Output is correct
29	Correct	928 ms	344 KB	Output is correct
30	Correct	979 ms	344 KB	Output is correct
31	Correct	918 ms	344 KB	Output is correct
32	Correct	944 ms	344 KB	Output is correct
33	Correct	940 ms	344 KB	Output is correct
34	Correct	959 ms	344 KB	Output is correct
35	Correct	1054 ms	344 KB	Output is correct
36	Correct	983 ms	344 KB	Output is correct
37	Correct	1018 ms	344 KB	Output is correct
38	Correct	1024 ms	344 KB	Output is correct
39	Correct	1004 ms	344 KB	Output is correct
40	Correct	1046 ms	852 KB	Output is correct
41	Correct	980 ms	344 KB	Output is correct
42	Correct	1031 ms	344 KB	Output is correct
43	Correct	970 ms	500 KB	Output is correct
44	Correct	1008 ms	344 KB	Output is correct
45	Correct	1004 ms	344 KB	Output is correct
46	Correct	991 ms	344 KB	Output is correct
47	Correct	1034 ms	344 KB	Output is correct
48	Correct	1031 ms	344 KB	Output is correct
49	Correct	963 ms	344 KB	Output is correct
50	Correct	1022 ms	344 KB	Output is correct
51	Correct	1063 ms	344 KB	Output is correct
52	Correct	1075 ms	344 KB	Output is correct

Submission #957821

Compilation message

Subtask #1 13.0 / 13.0

Subtask #2 25.0 / 25.0

Subtask #3 25.0 / 25.0

Subtask #4 37.0 / 37.0

Subtask #1
13.0 / 13.0

Subtask #2
25.0 / 25.0

Subtask #3
25.0 / 25.0

Subtask #4
37.0 / 37.0