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Submission #748609

# Submission time Handle Problem Language Result Execution time Memory
748609 2023-05-26T15:02:47 Z mariowong Mađioničar (COI22_madionicar) C++14
100 / 100
 1944 ms 336 KB 
#include <bits/stdc++.h>
using namespace std;

int main(){
	ios::sync_with_stdio(false);
	int n;
	cin >> n;
	int sz=2;
	for (int i=1;i<=n;i++){
		int x=1;
		while (x){
			int l=i-sz/2+1,r=i+sz/2;
			if (l > 0 && r <= n){
				cout << "? " << l << " " << r << endl;
				cin >> x;
				if (x) sz+=2;
			}
			else x=0;
		}
	}
	int sz2=3;
	for (int i=1;i<=n;i++){
		int x=1;
		while (x){
			int l=i-sz2/2,r=i+sz2/2;
			if (l > 0 && r <= n){
				cout << "? " << l << " " << r << endl;
				cin >> x;
				if (x) sz2+=2;
			}
			else x=0;
		}
	}
	cout << "! " << max(sz,sz2)-2 << "\n";
	return 0;
}	
//0 1 1 2 2 3 1
//2 4 1 2 2 5 1

Subtask #1
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 145 ms 208 KB Output is correct
2 Correct 157 ms 208 KB Output is correct
3 Correct 142 ms 208 KB Output is correct
4 Correct 113 ms 208 KB Output is correct
5 Correct 121 ms 208 KB Output is correct
6 Correct 135 ms 208 KB Output is correct
7 Correct 123 ms 208 KB Output is correct
8 Correct 110 ms 208 KB Output is correct
9 Correct 144 ms 208 KB Output is correct
10 Correct 162 ms 208 KB Output is correct

Subtask #2
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 145 ms 208 KB Output is correct
2 Correct 157 ms 208 KB Output is correct
3 Correct 142 ms 208 KB Output is correct
4 Correct 113 ms 208 KB Output is correct
5 Correct 121 ms 208 KB Output is correct
6 Correct 135 ms 208 KB Output is correct
7 Correct 123 ms 208 KB Output is correct
8 Correct 110 ms 208 KB Output is correct
9 Correct 144 ms 208 KB Output is correct
10 Correct 162 ms 208 KB Output is correct
11 Correct 1035 ms 208 KB Output is correct
12 Correct 802 ms 208 KB Output is correct
13 Correct 684 ms 316 KB Output is correct
14 Correct 768 ms 208 KB Output is correct
15 Correct 654 ms 208 KB Output is correct
16 Correct 897 ms 208 KB Output is correct
17 Correct 938 ms 208 KB Output is correct
18 Correct 877 ms 308 KB Output is correct
19 Correct 917 ms 208 KB Output is correct
20 Correct 1129 ms 208 KB Output is correct
21 Correct 966 ms 208 KB Output is correct
22 Correct 885 ms 208 KB Output is correct

Subtask #3
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 1944 ms 208 KB Output is correct
2 Correct 1415 ms 312 KB Output is correct
3 Correct 1728 ms 208 KB Output is correct
4 Correct 1665 ms 208 KB Output is correct
5 Correct 1489 ms 208 KB Output is correct
6 Correct 1537 ms 208 KB Output is correct
7 Correct 1708 ms 208 KB Output is correct
8 Correct 1262 ms 208 KB Output is correct
9 Correct 1374 ms 316 KB Output is correct
10 Correct 1614 ms 208 KB Output is correct
11 Correct 1609 ms 208 KB Output is correct
12 Correct 1457 ms 208 KB Output is correct
13 Correct 1883 ms 208 KB Output is correct
14 Correct 1321 ms 208 KB Output is correct

Subtask #4
37.0 / 37.0

# Verdict Execution time Memory Grader output
1 Correct 145 ms 208 KB Output is correct
2 Correct 157 ms 208 KB Output is correct
3 Correct 142 ms 208 KB Output is correct
4 Correct 113 ms 208 KB Output is correct
5 Correct 121 ms 208 KB Output is correct
6 Correct 135 ms 208 KB Output is correct
7 Correct 123 ms 208 KB Output is correct
8 Correct 110 ms 208 KB Output is correct
9 Correct 144 ms 208 KB Output is correct
10 Correct 162 ms 208 KB Output is correct
11 Correct 1035 ms 208 KB Output is correct
12 Correct 802 ms 208 KB Output is correct
13 Correct 684 ms 316 KB Output is correct
14 Correct 768 ms 208 KB Output is correct
15 Correct 654 ms 208 KB Output is correct
16 Correct 897 ms 208 KB Output is correct
17 Correct 938 ms 208 KB Output is correct
18 Correct 877 ms 308 KB Output is correct
19 Correct 917 ms 208 KB Output is correct
20 Correct 1129 ms 208 KB Output is correct
21 Correct 966 ms 208 KB Output is correct
22 Correct 885 ms 208 KB Output is correct
23 Correct 1944 ms 208 KB Output is correct
24 Correct 1415 ms 312 KB Output is correct
25 Correct 1728 ms 208 KB Output is correct
26 Correct 1665 ms 208 KB Output is correct
27 Correct 1489 ms 208 KB Output is correct
28 Correct 1537 ms 208 KB Output is correct
29 Correct 1708 ms 208 KB Output is correct
30 Correct 1262 ms 208 KB Output is correct
31 Correct 1374 ms 316 KB Output is correct
32 Correct 1614 ms 208 KB Output is correct
33 Correct 1609 ms 208 KB Output is correct
34 Correct 1457 ms 208 KB Output is correct
35 Correct 1883 ms 208 KB Output is correct
36 Correct 1321 ms 208 KB Output is correct
37 Correct 1576 ms 208 KB Output is correct
38 Correct 1607 ms 208 KB Output is correct
39 Correct 1204 ms 336 KB Output is correct
40 Correct 1737 ms 208 KB Output is correct
41 Correct 1566 ms 208 KB Output is correct
42 Correct 1527 ms 308 KB Output is correct
43 Correct 1436 ms 208 KB Output is correct
44 Correct 1435 ms 208 KB Output is correct
45 Correct 1616 ms 208 KB Output is correct
46 Correct 1674 ms 208 KB Output is correct
47 Correct 1701 ms 208 KB Output is correct
48 Correct 1360 ms 208 KB Output is correct
49 Correct 1487 ms 208 KB Output is correct
50 Correct 1655 ms 208 KB Output is correct
51 Correct 1298 ms 208 KB Output is correct
52 Correct 1441 ms 208 KB Output is correct