답안 #858769

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
858769	2023-10-09T07:32:13 Z	maks007	Colors (BOI20_colors)	C++14	0 / 100	1 ms	432 KB

Colors

#include "bits/stdc++.h"
 
using namespace std;
 
#define int long long
 
signed main () {
	int n;
	cin >> n;
	int l = 1, r = n+2, f = 1;
	cout << "? " << 1 << endl;
	int x;
	cin >> x;
	// if(n > 64) {
	// 	return 0;
	// }
	while(1) {
		if(l + 2 >= r) break;
		if(f == 1) {
			r -= 2;
			cout << "? " << r << endl;
			cin >> x;
			if(x == 0) {
				if(l - 1 == 0) {
					while(true){}
				}
				cout << "? " << l-1 << endl;
				int x;
				cin >> x;
				if(x == 1) {
					cout << "= " << r-(l-1) << endl;
				}else {
					cout << "= " << r-(l-2) << endl; 
				}
				return 0;
			}
			f = -1;
		}else {
			l += 2;
			cout << "? " << l << endl;
			cin >> x;
			if(x == 0) {
				cout << "? " << r+1 << endl;
				int x;
				cin >> x;
				if(x == 1) {
					cout << "= " << r+1-l << endl;
				}else {
					cout << "= " << r+2-l << endl;
				}
				return 0;
			}
			f=1;
		}
	}
	cout << "= 1" << endl;
	return 0;
}

Subtask #1

0 / 9.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	344 KB	OK (5 queries)
2	Correct	0 ms	344 KB	OK (5 queries)
3	Correct	0 ms	344 KB	OK (7 queries)
4	Correct	0 ms	344 KB	OK (14 queries)
5	Correct	0 ms	344 KB	OK (9 queries)
6	Correct	0 ms	344 KB	OK (15 queries)
7	Correct	1 ms	344 KB	OK (11 queries)
8	Correct	0 ms	344 KB	OK (6 queries)
9	Correct	0 ms	344 KB	OK (7 queries)
10	Correct	0 ms	344 KB	OK (6 queries)
11	Runtime error	0 ms	432 KB	Execution killed with signal 13
12	Halted	0 ms	0 KB	-

Subtask #2

0 / 13.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	344 KB	OK (5 queries)
2	Correct	0 ms	344 KB	OK (5 queries)
3	Correct	0 ms	344 KB	OK (7 queries)
4	Correct	0 ms	344 KB	OK (14 queries)
5	Correct	0 ms	344 KB	OK (9 queries)
6	Correct	0 ms	344 KB	OK (15 queries)
7	Correct	1 ms	344 KB	OK (11 queries)
8	Correct	0 ms	344 KB	OK (6 queries)
9	Correct	0 ms	344 KB	OK (7 queries)
10	Correct	0 ms	344 KB	OK (6 queries)
11	Runtime error	0 ms	432 KB	Execution killed with signal 13
12	Halted	0 ms	0 KB	-

Subtask #3

0 / 21.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	344 KB	OK (5 queries)
2	Correct	0 ms	344 KB	OK (5 queries)
3	Correct	0 ms	344 KB	OK (7 queries)
4	Correct	0 ms	344 KB	OK (14 queries)
5	Correct	0 ms	344 KB	OK (9 queries)
6	Correct	0 ms	344 KB	OK (15 queries)
7	Correct	1 ms	344 KB	OK (11 queries)
8	Correct	0 ms	344 KB	OK (6 queries)
9	Correct	0 ms	344 KB	OK (7 queries)
10	Correct	0 ms	344 KB	OK (6 queries)
11	Runtime error	0 ms	432 KB	Execution killed with signal 13
12	Halted	0 ms	0 KB	-

Subtask #4

0 / 24.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	344 KB	OK (5 queries)
2	Correct	0 ms	344 KB	OK (5 queries)
3	Correct	0 ms	344 KB	OK (7 queries)
4	Correct	0 ms	344 KB	OK (14 queries)
5	Correct	0 ms	344 KB	OK (9 queries)
6	Correct	0 ms	344 KB	OK (15 queries)
7	Correct	1 ms	344 KB	OK (11 queries)
8	Correct	0 ms	344 KB	OK (6 queries)
9	Correct	0 ms	344 KB	OK (7 queries)
10	Correct	0 ms	344 KB	OK (6 queries)
11	Runtime error	0 ms	432 KB	Execution killed with signal 13
12	Halted	0 ms	0 KB	-

Subtask #5

0 / 33.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	344 KB	OK (5 queries)
2	Correct	0 ms	344 KB	OK (5 queries)
3	Correct	0 ms	344 KB	OK (7 queries)
4	Correct	0 ms	344 KB	OK (14 queries)
5	Correct	0 ms	344 KB	OK (9 queries)
6	Correct	0 ms	344 KB	OK (15 queries)
7	Correct	1 ms	344 KB	OK (11 queries)
8	Correct	0 ms	344 KB	OK (6 queries)
9	Correct	0 ms	344 KB	OK (7 queries)
10	Correct	0 ms	344 KB	OK (6 queries)
11	Runtime error	0 ms	432 KB	Execution killed with signal 13
12	Halted	0 ms	0 KB	-