답안 #858817

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
858817	2023-10-09T08:31:50 Z	maks007	Colors (BOI20_colors)	C++14	0 / 100	1 ms	596 KB

Colors

#include "bits/stdc++.h"

using namespace std;

signed main () {
	int n;
	cin >> n;
	cout << "? 2" << endl;
	int x;
	cin >> x;
	int r = n + 1;
	for(int l = 2, f = 1;; f = 1 - f) {
		if(l + 2 >= r) break;
		if(f) {
			r -= 2;
			cout << "? " << r << endl;
			cin >> x;
			if(x == 0) {
				cout << "? " << r - (r - l + 1) << endl;
				cin >> x;
				if(x == 1) {
					cout << "= " << (r - l + 1) << endl;
				}else {
					cout << "= " << (r - l + 1) + 1 << endl;
				}
				return 0;
			}
		}else {
			l += 2;
			cout << "? " << l << endl;
			cin >> x;
			if(x == 0) {
				cout << "? " << l + (r - l + 1) << endl;
				cin >> x;
				if(x == 1) {
					cout << "= " << (r - l + 1) << endl;
				}else {
					cout << "= " << (r - l + 1) + 1 << endl;
				}
				return 0;
			}
		}
	}
	cout <<"= 1" << endl;
	return 0;
}

Subtask #1

0 / 9.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	344 KB	OK (4 queries)
2	Correct	0 ms	344 KB	OK (4 queries)
3	Correct	1 ms	344 KB	OK (6 queries)
4	Correct	0 ms	344 KB	OK (13 queries)
5	Correct	0 ms	344 KB	OK (8 queries)
6	Correct	0 ms	344 KB	OK (14 queries)
7	Correct	0 ms	344 KB	OK (10 queries)
8	Correct	0 ms	344 KB	OK (5 queries)
9	Correct	0 ms	344 KB	OK (6 queries)
10	Correct	0 ms	344 KB	OK (5 queries)
11	Correct	0 ms	344 KB	OK (3 queries)
12	Correct	0 ms	596 KB	OK (4 queries)
13	Correct	0 ms	344 KB	OK (7 queries)
14	Correct	0 ms	344 KB	OK (9 queries)
15	Correct	0 ms	344 KB	OK (7 queries)
16	Correct	0 ms	344 KB	OK (18 queries)
17	Incorrect	0 ms	344 KB	Wrong guess
18	Halted	0 ms	0 KB	-

Subtask #2

0 / 13.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	344 KB	OK (4 queries)
2	Correct	0 ms	344 KB	OK (4 queries)
3	Correct	1 ms	344 KB	OK (6 queries)
4	Correct	0 ms	344 KB	OK (13 queries)
5	Correct	0 ms	344 KB	OK (8 queries)
6	Correct	0 ms	344 KB	OK (14 queries)
7	Correct	0 ms	344 KB	OK (10 queries)
8	Correct	0 ms	344 KB	OK (5 queries)
9	Correct	0 ms	344 KB	OK (6 queries)
10	Correct	0 ms	344 KB	OK (5 queries)
11	Correct	0 ms	344 KB	OK (3 queries)
12	Correct	0 ms	596 KB	OK (4 queries)
13	Correct	0 ms	344 KB	OK (7 queries)
14	Correct	0 ms	344 KB	OK (9 queries)
15	Correct	0 ms	344 KB	OK (7 queries)
16	Correct	0 ms	344 KB	OK (18 queries)
17	Incorrect	0 ms	344 KB	Wrong guess
18	Halted	0 ms	0 KB	-

Subtask #3

0 / 21.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	344 KB	OK (4 queries)
2	Correct	0 ms	344 KB	OK (4 queries)
3	Correct	1 ms	344 KB	OK (6 queries)
4	Correct	0 ms	344 KB	OK (13 queries)
5	Correct	0 ms	344 KB	OK (8 queries)
6	Correct	0 ms	344 KB	OK (14 queries)
7	Correct	0 ms	344 KB	OK (10 queries)
8	Correct	0 ms	344 KB	OK (5 queries)
9	Correct	0 ms	344 KB	OK (6 queries)
10	Correct	0 ms	344 KB	OK (5 queries)
11	Correct	0 ms	344 KB	OK (3 queries)
12	Correct	0 ms	596 KB	OK (4 queries)
13	Correct	0 ms	344 KB	OK (7 queries)
14	Correct	0 ms	344 KB	OK (9 queries)
15	Correct	0 ms	344 KB	OK (7 queries)
16	Correct	0 ms	344 KB	OK (18 queries)
17	Incorrect	0 ms	344 KB	Wrong guess
18	Halted	0 ms	0 KB	-

Subtask #4

0 / 24.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	344 KB	OK (4 queries)
2	Correct	0 ms	344 KB	OK (4 queries)
3	Correct	1 ms	344 KB	OK (6 queries)
4	Correct	0 ms	344 KB	OK (13 queries)
5	Correct	0 ms	344 KB	OK (8 queries)
6	Correct	0 ms	344 KB	OK (14 queries)
7	Correct	0 ms	344 KB	OK (10 queries)
8	Correct	0 ms	344 KB	OK (5 queries)
9	Correct	0 ms	344 KB	OK (6 queries)
10	Correct	0 ms	344 KB	OK (5 queries)
11	Correct	0 ms	344 KB	OK (3 queries)
12	Correct	0 ms	596 KB	OK (4 queries)
13	Correct	0 ms	344 KB	OK (7 queries)
14	Correct	0 ms	344 KB	OK (9 queries)
15	Correct	0 ms	344 KB	OK (7 queries)
16	Correct	0 ms	344 KB	OK (18 queries)
17	Incorrect	0 ms	344 KB	Wrong guess
18	Halted	0 ms	0 KB	-

Subtask #5

0 / 33.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	344 KB	OK (4 queries)
2	Correct	0 ms	344 KB	OK (4 queries)
3	Correct	1 ms	344 KB	OK (6 queries)
4	Correct	0 ms	344 KB	OK (13 queries)
5	Correct	0 ms	344 KB	OK (8 queries)
6	Correct	0 ms	344 KB	OK (14 queries)
7	Correct	0 ms	344 KB	OK (10 queries)
8	Correct	0 ms	344 KB	OK (5 queries)
9	Correct	0 ms	344 KB	OK (6 queries)
10	Correct	0 ms	344 KB	OK (5 queries)
11	Correct	0 ms	344 KB	OK (3 queries)
12	Correct	0 ms	596 KB	OK (4 queries)
13	Correct	0 ms	344 KB	OK (7 queries)
14	Correct	0 ms	344 KB	OK (9 queries)
15	Correct	0 ms	344 KB	OK (7 queries)
16	Correct	0 ms	344 KB	OK (18 queries)
17	Incorrect	0 ms	344 KB	Wrong guess
18	Halted	0 ms	0 KB	-