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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
#206177#5152. Circular Caramel Cookiewillow#AC ✓7ms3996kbC++14525b2023-10-07 19:17:392023-10-07 19:17:39

Judging History

你现在查看的是最新测评结果

  • [2023-10-07 19:17:39]
  • 评测
  • 测评结果：AC
  • 用时：7ms
  • 内存：3996kb
查看
  • [2023-10-07 19:17:39]
  • 提交

answer

#include<bits/stdc++.h>
using namespace std;
int s;
int Check(double r2) {
    long long sum = 0;
    for(int a = 1; 1ll * a * a <= r2; ++ a) {
        sum += int(floor(sqrt(r2 - 1ll * a * a)));
    }
    return sum * 4 > s;
}
int main() {
    scanf("%d", &s);
    double l = 1, r = 1e12;
    for(int T = 1; T <= 100; ++ T) {
        double mid = (l + r) / 2;
        if(Check(mid))
            r = mid;
        else
            l = mid;
    }
    // cerr << r << endl;
    printf("%.15f\n", sqrt(r));
}
源文件, 语言: C++14

详细

Test #1:

score: 100
Accepted
time: 5ms
memory: 3968kb

input:

11

output:

2.236067977499790

result:

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

Test #2:

score: 0
Accepted
time: 5ms
memory: 3872kb

input:

59

output:

5.000000000000000

result:

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

Test #3:

score: 0
Accepted
time: 5ms
memory: 3908kb

input:

1

output:

1.414213562373095

result:

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

Test #4:

score: 0
Accepted
time: 5ms
memory: 3960kb

input:

2

output:

1.414213562373095

result:

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

Test #5:

score: 0
Accepted
time: 5ms
memory: 3868kb

input:

3

output:

1.414213562373095

result:

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

Test #6:

score: 0
Accepted
time: 5ms
memory: 3976kb

input:

4

output:

2.236067977499790

result:

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

Test #7:

score: 0
Accepted
time: 7ms
memory: 3912kb

input:

1000000000

output:

17841.881318964093225

result:

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

Test #8:

score: 0
Accepted
time: 5ms
memory: 3916kb

input:

16

output:

3.162277660168380

result:

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

Test #9:

score: 0
Accepted
time: 5ms
memory: 3904kb

input:

60

output:

5.099019513592784

result:

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

Test #10:

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

input:

276

output:

10.049875621120890

result:

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

Test #11:

score: 0
Accepted
time: 5ms
memory: 3916kb

input:

476

output:

13.038404810405298

result:

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

Test #12:

score: 0
Accepted
time: 5ms
memory: 3912kb

input:

1860

output:

25.019992006393608

result:

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

Test #13:

score: 0
Accepted
time: 5ms
memory: 3868kb

input:

2837456

output:

951.008412160481384

result:

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

Test #14:

score: 0
Accepted
time: 7ms
memory: 3972kb

input:

871234652

output:

16653.642724641358654

result:

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

Test #15:

score: 0
Accepted
time: 6ms
memory: 3932kb

input:

345230848

output:

10483.500274240468570

result:

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

Test #16:

score: 0
Accepted
time: 6ms
memory: 3848kb

input:

506145784

output:

12693.594368814532572

result:

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

Test #17:

score: 0
Accepted
time: 6ms
memory: 3868kb

input:

253745836

output:

8987.840063107487367

result:

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

Test #18:

score: 0
Accepted
time: 7ms
memory: 3972kb

input:

659345872

output:

14487.745200685993041

result:

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

Test #19:

score: 0
Accepted
time: 6ms
memory: 3972kb

input:

193830482

output:

7855.448300383625792

result:

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

Test #20:

score: 0
Accepted
time: 5ms
memory: 3920kb

input:

981273

output:

559.504244845380981

result:

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

Test #21:

score: 0
Accepted
time: 5ms
memory: 3916kb

input:

8732419

output:

1667.851312317737666

result:

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

Test #22:

score: 0
Accepted
time: 5ms
memory: 3896kb

input:

9812379

output:

1767.942306750986745

result:

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

Test #23:

score: 0
Accepted
time: 5ms
memory: 3928kb

input:

98273476

output:

5593.614663167279105

result:

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

Test #24:

score: 0
Accepted
time: 7ms
memory: 3912kb

input:

897972343

output:

16907.244512338489585

result:

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

Test #25:

score: 0
Accepted
time: 2ms
memory: 3908kb

input:

28736734

output:

3025.066114979968461

result:

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

Test #26:

score: 0
Accepted
time: 5ms
memory: 3864kb

input:

88234239

output:

5300.238862541950766

result:

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

Test #27:

score: 0
Accepted
time: 7ms
memory: 3904kb

input:

928379434

output:

17191.110289914377063

result:

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

Test #28:

score: 0
Accepted
time: 2ms
memory: 3968kb

input:

23765822

output:

2751.073245117258011

result:

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

Test #29:

score: 0
Accepted
time: 5ms
memory: 3936kb

input:

3427481

output:

1045.143530812873678

result:

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

Test #30:

score: 0
Accepted
time: 6ms
memory: 3912kb

input:

234987432

output:

8649.266327267301676

result:

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

Test #31:

score: 0
Accepted
time: 2ms
memory: 3924kb

input:

3242949

output:

1016.643988818111325

result:

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

Test #32:

score: 0
Accepted
time: 6ms
memory: 3920kb

input:

238423423

output:

8712.268877852657170

result:

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

Test #33:

score: 0
Accepted
time: 5ms
memory: 3996kb

input:

23784378

output:

2752.147706791915425

result:

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

Test #34:

score: 0
Accepted
time: 5ms
memory: 3972kb

input:

83246355

output:

5148.270486289546170

result:

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