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ID	Problem	Submitter	Result	Time	Memory	Language	File size	Submit time	Judge time
#201338	#5152. Circular Caramel Cookie	Team_name^#	AC ✓	2ms	3796kb	C++20	512b	2023-10-05 13:48:53	2023-10-05 13:48:53

Judging History

你现在查看的是最新测评结果

[2023-10-05 13:48:53]
评测

测评结果：AC
用时：2ms
内存：3796kb

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[2023-10-05 13:48:53]
提交

answer

#include <cmath>
#include <iomanip>
#include <iostream>
constexpr double eps = 1E-10;
double sqr(double a) { return a * a; }
int calc(double r)
{
	int res = 0;
	for (int i = 1; i < r; ++i)
		res += static_cast<int>(std::sqrt(sqr(r) - sqr(i)));
	return 4 * res;
}
int main()
{
	int s; std::cin >> s;
	double l = 1, r = 2E4;
	while (r - l > eps)
	{
		double m = (l + r) / 2;
		if (calc(m) > s)
			r = m;
		else
			l = m;
	}
	std::cout << std::fixed << std::setprecision(10) << r << "\n";
}

Source code, Language: C++20

Details

Tip: Click on the bar to expand more detailed information

Test #1:

score: 100

Accepted

time: 1ms

memory: 3684kb

input:

output:

2.2360679775

result:

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

Test #2:

score: 0

Accepted

time: 1ms

memory: 3632kb

input:

output:

5.0000000000

result:

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

Test #3:

score: 0

Accepted

time: 0ms

memory: 3608kb

input:

output:

1.4142135624

result:

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

Test #4:

score: 0

Accepted

time: 1ms

memory: 3796kb

input:

output:

1.4142135624

result:

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

Test #5:

score: 0

Accepted

time: 1ms

memory: 3632kb

input:

output:

1.4142135624

result:

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

Test #6:

score: 0

Accepted

time: 1ms

memory: 3632kb

input:

output:

2.2360679775

result:

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

Test #7:

score: 0

Accepted

time: 2ms

memory: 3628kb

input:

1000000000

output:

17841.8813189641

result:

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

Test #8:

score: 0

Accepted

time: 0ms

memory: 3628kb

input:

output:

3.1622776602

result:

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

Test #9:

score: 0

Accepted

time: 1ms

memory: 3612kb

input:

output:

5.0990195137

result:

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

Test #10:

score: 0

Accepted

time: 0ms

memory: 3608kb

input:

output:

10.0498756211

result:

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

Test #11:

score: 0

Accepted

time: 1ms

memory: 3608kb

input:

output:

13.0384048104

result:

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

Test #12:

score: 0

Accepted

time: 1ms

memory: 3612kb

input:

output:

25.0199920064

result:

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

Test #13:

score: 0

Accepted

time: 1ms

memory: 3620kb

input:

output:

951.0084121605

result:

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

Test #14:

score: 0

Accepted

time: 0ms

memory: 3632kb

input:

871234652

output:

16653.6427246414

result:

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

Test #15:

score: 0

Accepted

time: 1ms

memory: 3672kb

input:

345230848

output:

10483.5002742405

result:

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

Test #16:

score: 0

Accepted

time: 2ms

memory: 3676kb

input:

506145784

output:

12693.5943688145

result:

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

Test #17:

score: 0

Accepted

time: 1ms

memory: 3604kb

input:

253745836

output:

8987.8400631075

result:

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

Test #18:

score: 0

Accepted

time: 2ms

memory: 3684kb

input:

659345872

output:

14487.7452006860

result:

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

Test #19:

score: 0

Accepted

time: 1ms

memory: 3676kb

input:

193830482

output:

7855.4483003837

result:

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

Test #20:

score: 0

Accepted

time: 1ms

memory: 3780kb

input:

output:

559.5042448454

result:

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

Test #21:

score: 0

Accepted

time: 0ms

memory: 3684kb

input:

output:

1667.8513123177

result:

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

Test #22:

score: 0

Accepted

time: 1ms

memory: 3576kb

input:

output:

1767.9423067510

result:

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

Test #23:

score: 0

Accepted

time: 1ms

memory: 3576kb

input:

98273476

output:

5593.6146631673

result:

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

Test #24:

score: 0

Accepted

time: 0ms

memory: 3796kb

input:

897972343

output:

16907.2445123385

result:

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

Test #25:

score: 0

Accepted

time: 0ms

memory: 3612kb

input:

28736734

output:

3025.0661149800

result:

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

Test #26:

score: 0

Accepted

time: 1ms

memory: 3612kb

input:

88234239

output:

5300.2388625420

result:

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

Test #27:

score: 0

Accepted

time: 2ms

memory: 3640kb

input:

928379434

output:

17191.1102899144

result:

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

Test #28:

score: 0

Accepted

time: 1ms

memory: 3616kb

input:

23765822

output:

2751.0732451173

result:

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

Test #29:

score: 0

Accepted

time: 1ms

memory: 3672kb

input:

output:

1045.1435308129

result:

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

Test #30:

score: 0

Accepted

time: 1ms

memory: 3784kb

input:

234987432

output:

8649.2663272673

result:

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

Test #31:

score: 0

Accepted

time: 1ms

memory: 3576kb

input:

output:

1016.6439888181

result:

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

Test #32:

score: 0

Accepted

time: 0ms

memory: 3684kb

input:

238423423

output:

8712.2688778527

result:

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

Test #33:

score: 0

Accepted

time: 1ms

memory: 3676kb

input:

23784378

output:

2752.1477067920

result:

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

Test #34:

score: 0

Accepted

time: 1ms

memory: 3612kb

input:

83246355

output:

5148.2704862896

result:

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