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IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#201337#5152. Circular Caramel CookieSolitaryDream#AC ✓4ms3944kbC++20574b2023-10-05 13:48:022023-10-05 13:48:02

Judging History

你现在查看的是最新测评结果

  • [2023-10-05 13:48:02]
  • 评测
  • 测评结果：AC
  • 用时：4ms
  • 内存：3944kb
查看
  • [2023-10-05 13:48:02]
  • 提交

answer

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

#define int long long

int s;

double mysqr(double x)
{
    if(x<0)
        return 0;
    return sqrt(x);
}

int chk(double R)
{
    int ret=0;
    for(int i=1;i<=R;i++)
        ret+=(int)mysqr(R*R-i*i);
    return ret;
}

signed main()
{
    scanf("%lld",&s);
    double l=0,r=2e5;
    // cout<<chk(2.2360679775)<<endl;
    for(int T=1;T<=100;T++)
    {
        double mid=(l+r)/2;
        if(chk(mid)*4>s)
            r=mid;
        else
            l=mid;
    }
    printf("%.10lf\n",r);
}
Source code, Language: C++20

Details

Tip: Click on the bar to expand more detailed information

Test #1:

score: 100
Accepted
time: 1ms
memory: 3944kb

input:

11

output:

2.2360679775

result:

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

Test #2:

score: 0
Accepted
time: 1ms
memory: 3788kb

input:

59

output:

5.0000000000

result:

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

Test #3:

score: 0
Accepted
time: 1ms
memory: 3812kb

input:

1

output:

1.4142135624

result:

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

Test #4:

score: 0
Accepted
time: 1ms
memory: 3844kb

input:

2

output:

1.4142135624

result:

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

Test #5:

score: 0
Accepted
time: 1ms
memory: 3940kb

input:

3

output:

1.4142135624

result:

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

Test #6:

score: 0
Accepted
time: 1ms
memory: 3864kb

input:

4

output:

2.2360679775

result:

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

Test #7:

score: 0
Accepted
time: 4ms
memory: 3880kb

input:

1000000000

output:

17841.8813189641

result:

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

Test #8:

score: 0
Accepted
time: 1ms
memory: 3860kb

input:

16

output:

3.1622776602

result:

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

Test #9:

score: 0
Accepted
time: 1ms
memory: 3804kb

input:

60

output:

5.0990195136

result:

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

Test #10:

score: 0
Accepted
time: 1ms
memory: 3868kb

input:

276

output:

10.0498756211

result:

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

Test #11:

score: 0
Accepted
time: 1ms
memory: 3864kb

input:

476

output:

13.0384048104

result:

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

Test #12:

score: 0
Accepted
time: 1ms
memory: 3876kb

input:

1860

output:

25.0199920064

result:

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

Test #13:

score: 0
Accepted
time: 1ms
memory: 3808kb

input:

2837456

output:

951.0084121605

result:

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

Test #14:

score: 0
Accepted
time: 3ms
memory: 3860kb

input:

871234652

output:

16653.6427246414

result:

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

Test #15:

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

input:

345230848

output:

10483.5002742405

result:

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

Test #16:

score: 0
Accepted
time: 3ms
memory: 3812kb

input:

506145784

output:

12693.5943688145

result:

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

Test #17:

score: 0
Accepted
time: 0ms
memory: 3868kb

input:

253745836

output:

8987.8400631075

result:

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

Test #18:

score: 0
Accepted
time: 4ms
memory: 3868kb

input:

659345872

output:

14487.7452006860

result:

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

Test #19:

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

input:

193830482

output:

7855.4483003836

result:

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

Test #20:

score: 0
Accepted
time: 1ms
memory: 3860kb

input:

981273

output:

559.5042448454

result:

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

Test #21:

score: 0
Accepted
time: 1ms
memory: 3788kb

input:

8732419

output:

1667.8513123177

result:

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

Test #22:

score: 0
Accepted
time: 1ms
memory: 3888kb

input:

9812379

output:

1767.9423067510

result:

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

Test #23:

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

input:

98273476

output:

5593.6146631673

result:

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

Test #24:

score: 0
Accepted
time: 3ms
memory: 3944kb

input:

897972343

output:

16907.2445123385

result:

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

Test #25:

score: 0
Accepted
time: 1ms
memory: 3864kb

input:

28736734

output:

3025.0661149800

result:

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

Test #26:

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

input:

88234239

output:

5300.2388625420

result:

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

Test #27:

score: 0
Accepted
time: 4ms
memory: 3800kb

input:

928379434

output:

17191.1102899144

result:

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

Test #28:

score: 0
Accepted
time: 1ms
memory: 3872kb

input:

23765822

output:

2751.0732451173

result:

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

Test #29:

score: 0
Accepted
time: 1ms
memory: 3860kb

input:

3427481

output:

1045.1435308129

result:

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

Test #30:

score: 0
Accepted
time: 2ms
memory: 3868kb

input:

234987432

output:

8649.2663272673

result:

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

Test #31:

score: 0
Accepted
time: 1ms
memory: 3864kb

input:

3242949

output:

1016.6439888181

result:

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

Test #32:

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

input:

238423423

output:

8712.2688778527

result:

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

Test #33:

score: 0
Accepted
time: 1ms
memory: 3880kb

input:

23784378

output:

2752.1477067919

result:

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

Test #34:

score: 0
Accepted
time: 1ms
memory: 3872kb

input:

83246355

output:

5148.2704862895

result:

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