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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
#401156#5152. Circular Caramel Cookieucup-team1716#AC ✓3ms3948kbC++14544b2024-04-28 03:08:102024-04-28 03:08:10

Judging History

你现在查看的是最新测评结果

  • [2024-04-28 03:08:10]
  • 评测
  • 测评结果：AC
  • 用时：3ms
  • 内存：3948kb
查看
  • [2024-04-28 03:08:10]
  • 提交

answer

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

const double EPS = 1e-8;

long long cnt(double rad) {
	int intrad = rad;
	long long ans = 0;
	for (int i = 1; i <= intrad; ++i) {
		int num = sqrt(rad * rad - (long long)i * i);
		ans += num * 2;
	}
	return ans * 2;
}

int main() {
	int s;
	cin >> s;
	double l = 0, r = 1e6;
	while (r - l > EPS) {
		double mid = (l + r) / 2;
		if (cnt(mid) > s) {
			r = mid;
		} else {
			l = mid;
		}
	}
	cout << setiosflags(ios::fixed) << setprecision(8) << l << endl;
	return 0;
}
源文件, 语言: C++14

详细

Test #1:

score: 100
Accepted
time: 2ms
memory: 3880kb

input:

11

output:

2.23606797

result:

ok found '2.2360680', expected '2.2360680', error '0.0000000'

Test #2:

score: 0
Accepted
time: 2ms
memory: 3756kb

input:

59

output:

4.99999999

result:

ok found '5.0000000', expected '5.0000000', error '0.0000000'

Test #3:

score: 0
Accepted
time: 2ms
memory: 3876kb

input:

1

output:

1.41421356

result:

ok found '1.4142136', expected '1.4142136', error '0.0000000'

Test #4:

score: 0
Accepted
time: 2ms
memory: 3896kb

input:

2

output:

1.41421356

result:

ok found '1.4142136', expected '1.4142136', error '0.0000000'

Test #5:

score: 0
Accepted
time: 2ms
memory: 3624kb

input:

3

output:

1.41421356

result:

ok found '1.4142136', expected '1.4142136', error '0.0000000'

Test #6:

score: 0
Accepted
time: 2ms
memory: 3820kb

input:

4

output:

2.23606797

result:

ok found '2.2360680', expected '2.2360680', error '0.0000000'

Test #7:

score: 0
Accepted
time: 3ms
memory: 3932kb

input:

1000000000

output:

17841.88131896

result:

ok found '17841.8813190', expected '17841.8813190', error '0.0000000'

Test #8:

score: 0
Accepted
time: 2ms
memory: 3932kb

input:

16

output:

3.16227766

result:

ok found '3.1622777', expected '3.1622777', error '0.0000000'

Test #9:

score: 0
Accepted
time: 2ms
memory: 3896kb

input:

60

output:

5.09901951

result:

ok found '5.0990195', expected '5.0990195', error '0.0000000'

Test #10:

score: 0
Accepted
time: 2ms
memory: 3892kb

input:

276

output:

10.04987562

result:

ok found '10.0498756', expected '10.0498756', error '0.0000000'

Test #11:

score: 0
Accepted
time: 2ms
memory: 3928kb

input:

476

output:

13.03840481

result:

ok found '13.0384048', expected '13.0384048', error '0.0000000'

Test #12:

score: 0
Accepted
time: 2ms
memory: 3884kb

input:

1860

output:

25.01999200

result:

ok found '25.0199920', expected '25.0199920', error '0.0000000'

Test #13:

score: 0
Accepted
time: 2ms
memory: 3780kb

input:

2837456

output:

951.00841216

result:

ok found '951.0084122', expected '951.0084122', error '0.0000000'

Test #14:

score: 0
Accepted
time: 3ms
memory: 3948kb

input:

871234652

output:

16653.64272464

result:

ok found '16653.6427246', expected '16653.6427246', error '0.0000000'

Test #15:

score: 0
Accepted
time: 3ms
memory: 3884kb

input:

345230848

output:

10483.50027423

result:

ok found '10483.5002742', expected '10483.5002742', error '0.0000000'

Test #16:

score: 0
Accepted
time: 3ms
memory: 3896kb

input:

506145784

output:

12693.59436881

result:

ok found '12693.5943688', expected '12693.5943688', error '0.0000000'

Test #17:

score: 0
Accepted
time: 3ms
memory: 3832kb

input:

253745836

output:

8987.84006311

result:

ok found '8987.8400631', expected '8987.8400631', error '0.0000000'

Test #18:

score: 0
Accepted
time: 3ms
memory: 3884kb

input:

659345872

output:

14487.74520068

result:

ok found '14487.7452007', expected '14487.7452007', error '0.0000000'

Test #19:

score: 0
Accepted
time: 3ms
memory: 3876kb

input:

193830482

output:

7855.44830038

result:

ok found '7855.4483004', expected '7855.4483004', error '0.0000000'

Test #20:

score: 0
Accepted
time: 2ms
memory: 3820kb

input:

981273

output:

559.50424484

result:

ok found '559.5042448', expected '559.5042448', error '0.0000000'

Test #21:

score: 0
Accepted
time: 2ms
memory: 3892kb

input:

8732419

output:

1667.85131231

result:

ok found '1667.8513123', expected '1667.8513123', error '0.0000000'

Test #22:

score: 0
Accepted
time: 2ms
memory: 3756kb

input:

9812379

output:

1767.94230675

result:

ok found '1767.9423067', expected '1767.9423068', error '0.0000000'

Test #23:

score: 0
Accepted
time: 3ms
memory: 3876kb

input:

98273476

output:

5593.61466316

result:

ok found '5593.6146632', expected '5593.6146632', error '0.0000000'

Test #24:

score: 0
Accepted
time: 3ms
memory: 3884kb

input:

897972343

output:

16907.24451233

result:

ok found '16907.2445123', expected '16907.2445123', error '0.0000000'

Test #25:

score: 0
Accepted
time: 2ms
memory: 3932kb

input:

28736734

output:

3025.06611498

result:

ok found '3025.0661150', expected '3025.0661150', error '0.0000000'

Test #26:

score: 0
Accepted
time: 2ms
memory: 3880kb

input:

88234239

output:

5300.23886254

result:

ok found '5300.2388625', expected '5300.2388625', error '0.0000000'

Test #27:

score: 0
Accepted
time: 3ms
memory: 3880kb

input:

928379434

output:

17191.11028991

result:

ok found '17191.1102899', expected '17191.1102899', error '0.0000000'

Test #28:

score: 0
Accepted
time: 0ms
memory: 3896kb

input:

23765822

output:

2751.07324511

result:

ok found '2751.0732451', expected '2751.0732451', error '0.0000000'

Test #29:

score: 0
Accepted
time: 2ms
memory: 3888kb

input:

3427481

output:

1045.14353081

result:

ok found '1045.1435308', expected '1045.1435308', error '0.0000000'

Test #30:

score: 0
Accepted
time: 3ms
memory: 3780kb

input:

234987432

output:

8649.26632726

result:

ok found '8649.2663273', expected '8649.2663273', error '0.0000000'

Test #31:

score: 0
Accepted
time: 2ms
memory: 3716kb

input:

3242949

output:

1016.64398881

result:

ok found '1016.6439888', expected '1016.6439888', error '0.0000000'

Test #32:

score: 0
Accepted
time: 0ms
memory: 3820kb

input:

238423423

output:

8712.26887785

result:

ok found '8712.2688778', expected '8712.2688779', error '0.0000000'

Test #33:

score: 0
Accepted
time: 2ms
memory: 3884kb

input:

23784378

output:

2752.14770679

result:

ok found '2752.1477068', expected '2752.1477068', error '0.0000000'

Test #34:

score: 0
Accepted
time: 2ms
memory: 3888kb

input:

83246355

output:

5148.27048629

result:

ok found '5148.2704863', expected '5148.2704863', error '0.0000000'
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