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
#66119#5152. Circular Caramel Cookiefeeder1#AC ✓6ms3760kbC++14537b2022-12-06 22:55:192022-12-06 22:55:22

Judging History

你现在查看的是最新测评结果

  • [2023-08-10 23:21:45]
  • System Update: QOJ starts to keep a history of the judgings of all the submissions.
  • [2022-12-06 22:55:22]
  • 评测
  • 测评结果：AC
  • 用时：6ms
  • 内存：3760kb
查看
  • [2022-12-06 22:55:19]
  • 提交

answer

#include<bits/stdc++.h>
using namespace std;
typedef long double ll;

int main() {
 int n, m, i, j, k, b, c;
 cin >> n;
 ll lo = 1, hi = 20000, mid, ans;
 while ( lo + 0.00000001 <= hi ) {
  mid = ( lo + hi ) / 2;
  int a = mid, sum = 0;
  for ( int i = 1; i <= a; i++ ) {
   ll x = (ll)i;
   ll y = sqrt(mid * mid - x * x);
   b = y;
   sum += b;
  }
  sum *= 4;
  if ( sum > n ) {
   ans = mid;
   hi = mid - 0.00000001;
  } else {
   lo = mid + 0.00000001;
  }
 }
 cout << fixed << setprecision(10) << ans;
}
源文件, 语言: C++14

詳細信息

Test #1:

score: 100
Accepted
time: 2ms
memory: 3644kb

input:

11

output:

2.2360679939

result:

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

Test #2:

score: 0
Accepted
time: 2ms
memory: 3640kb

input:

59

output:

5.0000000042

result:

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

Test #3:

score: 0
Accepted
time: 2ms
memory: 3584kb

input:

1

output:

1.4142135697

result:

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

Test #4:

score: 0
Accepted
time: 0ms
memory: 3460kb

input:

2

output:

1.4142135697

result:

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

Test #5:

score: 0
Accepted
time: 2ms
memory: 3584kb

input:

3

output:

1.4142135697

result:

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

Test #6:

score: 0
Accepted
time: 2ms
memory: 3720kb

input:

4

output:

2.2360679939

result:

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

Test #7:

score: 0
Accepted
time: 6ms
memory: 3600kb

input:

1000000000

output:

17841.8813189731

result:

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

Test #8:

score: 0
Accepted
time: 2ms
memory: 3640kb

input:

16

output:

3.1622776609

result:

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

Test #9:

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

input:

60

output:

5.0990195264

result:

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

Test #10:

score: 0
Accepted
time: 2ms
memory: 3568kb

input:

276

output:

10.0498756271

result:

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

Test #11:

score: 0
Accepted
time: 0ms
memory: 3468kb

input:

476

output:

13.0384048183

result:

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

Test #12:

score: 0
Accepted
time: 0ms
memory: 3424kb

input:

1860

output:

25.0199920245

result:

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

Test #13:

score: 0
Accepted
time: 2ms
memory: 3576kb

input:

2837456

output:

951.0084121771

result:

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

Test #14:

score: 0
Accepted
time: 2ms
memory: 3580kb

input:

871234652

output:

16653.6427246528

result:

ok found '16653.6427247', expected '16653.6427246', error '0.0000000'

Test #15:

score: 0
Accepted
time: 4ms
memory: 3560kb

input:

345230848

output:

10483.5002742455

result:

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

Test #16:

score: 0
Accepted
time: 4ms
memory: 3596kb

input:

506145784

output:

12693.5943688160

result:

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

Test #17:

score: 0
Accepted
time: 2ms
memory: 3760kb

input:

253745836

output:

8987.8400631144

result:

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

Test #18:

score: 0
Accepted
time: 5ms
memory: 3656kb

input:

659345872

output:

14487.7452007040

result:

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

Test #19:

score: 0
Accepted
time: 1ms
memory: 3564kb

input:

193830482

output:

7855.4483003903

result:

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

Test #20:

score: 0
Accepted
time: 0ms
memory: 3656kb

input:

981273

output:

559.5042448536

result:

ok found '559.5042449', expected '559.5042448', error '0.0000000'

Test #21:

score: 0
Accepted
time: 1ms
memory: 3524kb

input:

8732419

output:

1667.8513123194

result:

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

Test #22:

score: 0
Accepted
time: 3ms
memory: 3512kb

input:

9812379

output:

1767.9423067611

result:

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

Test #23:

score: 0
Accepted
time: 1ms
memory: 3584kb

input:

98273476

output:

5593.6146631818

result:

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

Test #24:

score: 0
Accepted
time: 6ms
memory: 3600kb

input:

897972343

output:

16907.2445123496

result:

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

Test #25:

score: 0
Accepted
time: 3ms
memory: 3760kb

input:

28736734

output:

3025.0661149824

result:

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

Test #26:

score: 0
Accepted
time: 3ms
memory: 3588kb

input:

88234239

output:

5300.2388625446

result:

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

Test #27:

score: 0
Accepted
time: 5ms
memory: 3760kb

input:

928379434

output:

17191.1102899268

result:

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

Test #28:

score: 0
Accepted
time: 1ms
memory: 3600kb

input:

23765822

output:

2751.0732451306

result:

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

Test #29:

score: 0
Accepted
time: 2ms
memory: 3468kb

input:

3427481

output:

1045.1435308187

result:

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

Test #30:

score: 0
Accepted
time: 4ms
memory: 3636kb

input:

234987432

output:

8649.2663272689

result:

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

Test #31:

score: 0
Accepted
time: 2ms
memory: 3656kb

input:

3242949

output:

1016.6439888300

result:

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

Test #32:

score: 0
Accepted
time: 2ms
memory: 3660kb

input:

238423423

output:

8712.2688778696

result:

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

Test #33:

score: 0
Accepted
time: 2ms
memory: 3692kb

input:

23784378

output:

2752.1477068080

result:

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

Test #34:

score: 0
Accepted
time: 3ms
memory: 3580kb

input:

83246355

output:

5148.2704863024

result:

ok found '5148.2704863', expected '5148.2704863', error '0.0000000'
English 繁體中文 简体中文

伺服器時間: 2024-11-30 13:33:05 | 開源專案