QOJ.ac

QOJ

ID题目提交者结果用时内存语言文件大小提交时间测评时间
#216947#6558. Allergen Testingalexis_g_albaWA 4ms3640kbC++14464b2023-10-16 09:42:332023-10-16 09:42:33

Judging History

你现在查看的是最新测评结果

  • [2023-10-16 09:42:33]
  • 评测
  • 测评结果:WA
  • 用时:4ms
  • 内存:3640kb
  • [2023-10-16 09:42:33]
  • 提交

answer

#include <bits/stdc++.h>

using namespace std;



int main() {
	int tests; cin >> tests;
	while (tests--) {
		long long n, d;
		cin >> n >> d;
		long long high = 63, low = 0;
		while (high - low > 1) {
			long long mid = (low + high) / 2LL;
			long long value1 = (1LL << mid);
			long long value2 = (n + d - 2) / d + 1;
			if (value1 >= value2) {
				high = mid;	
			} else {
				low = mid;
			}
		}
		cout << high << "\n";
	}
	return 0;
}

詳細信息

Test #1:

score: 100
Accepted
time: 0ms
memory: 3640kb

input:

1
4 1

output:

2

result:

ok single line: '2'

Test #2:

score: -100
Wrong Answer
time: 4ms
memory: 3584kb

input:

10000
1 1
1000000000000000000 1
1 1000000000000000000
1000000000000000000 1000000000000000000
26615519354743225 163142634
26615519354743225 163142634
26615519354743224 163142634
26615519354743226 163142634
847997831064072529 920867976
847997831064072529 920867976
847997831064072528 920867976
8479978...

output:

1
60
1
1
28
28
28
28
30
30
30
30
29
29
29
29
29
29
29
29
30
30
30
30
30
30
30
30
28
28
28
28
26
26
26
26
30
30
30
30
29
29
29
29
39
39
39
39
40
40
40
40
40
40
40
40
37
37
37
37
36
36
36
36
39
39
39
39
40
40
40
40
38
38
38
38
39
39
39
39
40
40
40
40
42
42
42
42
43
43
43
43
41
41
41
41
39
39
39
39
40
...

result:

wrong answer 1st lines differ - expected: '0', found: '1'