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IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#201300#5151. Bottle FlipSolitaryDream#AC ✓0ms3936kbC++20379b2023-10-05 13:36:152023-10-05 13:36:15

Judging History

你现在查看的是最新测评结果

  • [2023-10-05 13:36:15]
  • 评测
  • 测评结果:AC
  • 用时:0ms
  • 内存:3936kb
  • [2023-10-05 13:36:15]
  • 提交

answer

#include<bits/stdc++.h>
using namespace std;
typedef double db;
const db pi=acos(-1);
int main() {
    ios::sync_with_stdio(false);
    cin.tie(nullptr);
    cout << fixed << setprecision(9);
    db h,r,a,w;
    cin >> h >> r >> a >> w;
    db b=w-a;
    db x=(-2*a*h+sqrt(4*a*a*h*h+4*a*b*h*h))/2/b;
    // cerr << x << endl;
    cout << x << '\n';
    return 0;
}

Details

Tip: Click on the bar to expand more detailed information

Test #1:

score: 100
Accepted
time: 0ms
memory: 3868kb

input:

22 4 1 4

output:

7.333333333

result:

ok found '7.3333333', expected '7.3333333', error '0.0000000'

Test #2:

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

input:

7 2 655 988

output:

3.141594172

result:

ok found '3.1415942', expected '3.1415942', error '0.0000000'

Test #3:

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

input:

1 1 1 2

output:

0.414213562

result:

ok found '0.4142136', expected '0.4142136', error '0.0000000'

Test #4:

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

input:

1000 1000 999 1000

output:

499.874937461

result:

ok found '499.8749375', expected '499.8749375', error '0.0000000'

Test #5:

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

input:

1000 1000 1 1000

output:

30.653430032

result:

ok found '30.6534300', expected '30.6534300', error '0.0000000'

Test #6:

score: 0
Accepted
time: 0ms
memory: 3824kb

input:

1 1000 1 1000

output:

0.030653430

result:

ok found '0.0306534', expected '0.0306534', error '0.0000000'

Test #7:

score: 0
Accepted
time: 0ms
memory: 3824kb

input:

1000 1000 482 483

output:

499.740932573

result:

ok found '499.7409326', expected '499.7409326', error '0.0000000'

Test #8:

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

input:

1 1000 482 483

output:

0.499740933

result:

ok found '0.4997409', expected '0.4997409', error '0.0000000'

Test #9:

score: 0
Accepted
time: 0ms
memory: 3816kb

input:

1 1000 1 2

output:

0.414213562

result:

ok found '0.4142136', expected '0.4142136', error '0.0000000'

Test #10:

score: 0
Accepted
time: 0ms
memory: 3816kb

input:

1000 1000 1 2

output:

414.213562373

result:

ok found '414.2135624', expected '414.2135624', error '0.0000000'

Test #11:

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

input:

961 1000 979 983

output:

480.010193171

result:

ok found '480.0101932', expected '480.0101932', error '0.0000000'

Test #12:

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

input:

997 1000 977 983

output:

497.736988008

result:

ok found '497.7369880', expected '497.7369880', error '0.0000000'

Test #13:

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

input:

1 928 1 66

output:

0.109600591

result:

ok found '0.1096006', expected '0.1096006', error '0.0000000'

Test #14:

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

input:

1 928 2 88

output:

0.131005804

result:

ok found '0.1310058', expected '0.1310058', error '0.0000000'

Test #15:

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

input:

1 928 3 74

output:

0.167600907

result:

ok found '0.1676009', expected '0.1676009', error '0.0000000'

Test #16:

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

input:

1 928 3 41

output:

0.212908855

result:

ok found '0.2129089', expected '0.2129089', error '0.0000000'

Test #17:

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

input:

1 928 1 12

output:

0.224009238

result:

ok found '0.2240092', expected '0.2240092', error '0.0000000'

Test #18:

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

input:

2 928 89 93

output:

0.989009662

result:

ok found '0.9890097', expected '0.9890097', error '0.0000000'

Test #19:

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

input:

7 928 51 72

output:

3.199009877

result:

ok found '3.1990099', expected '3.1990099', error '0.0000000'

Test #20:

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

input:

722 547 709 752

output:

355.686391819

result:

ok found '355.6863918', expected '355.6863918', error '0.0000000'

Test #21:

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

input:

242 742 518 920

output:

103.742903461

result:

ok found '103.7429035', expected '103.7429035', error '0.0000000'

Test #22:

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

input:

873 701 43 201

output:

276.087555848

result:

ok found '276.0875558', expected '276.0875558', error '0.0000000'

Test #23:

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

input:

268 228 527 562

output:

131.846091936

result:

ok found '131.8460919', expected '131.8460919', error '0.0000000'

Test #24:

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

input:

312 558 341 839

output:

121.468385078

result:

ok found '121.4683851', expected '121.4683851', error '0.0000000'

Test #25:

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

input:

274 85 178 364

output:

112.756490692

result:

ok found '112.7564907', expected '112.7564907', error '0.0000000'

Test #26:

score: 0
Accepted
time: 0ms
memory: 3856kb

input:

641 539 341 977

output:

238.054438740

result:

ok found '238.0544387', expected '238.0544387', error '0.0000000'

Test #27:

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

input:

245 861 438 872

output:

101.618383922

result:

ok found '101.6183839', expected '101.6183839', error '0.0000000'

Test #28:

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

input:

640 181 156 606

output:

215.419834891

result:

ok found '215.4198349', expected '215.4198349', error '0.0000000'