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ID	Problem	Submitter	Result	Time	Memory	Language	File size	Submit time	Judge time
#54604	#4196. Monty's Hall	T3alaadl3k2olyehymn3k^#	AC ✓	2ms	3908kb	C++	320b	2022-10-09 20:18:37	2022-10-09 20:18:40

Judging History

This is the latest submission verdict.

[2023-08-10 23:21:45]
System Update: QOJ starts to keep a history of the judgings of all the submissions.

[2022-10-09 20:18:40]
Judged

Verdict: AC
Time: 2ms
Memory: 3908kb

Show

[2022-10-09 20:18:37]
Submitted

answer

#include "bits/stdc++.h"

using namespace std;

signed main() {
    double d, s, e;
    cin >> d >> s >> e;
    double ans = ((1.0 * s) / d);
    double left = d - s - e;
    ans = left >= s ? (1 - ans) * (s / left) : ans * (s - left) / s + (1 - ans);
    cout << fixed << setprecision(10) << ans << endl;

}

Source code, Language: C++

Details

Tip: Click on the bar to expand more detailed information

Test #1:

score: 100

Accepted

time: 2ms

memory: 3692kb

input:

3 1 1

output:

0.6666666667

result:

ok found '0.6666667', expected '0.6666670', error '0.0000003'

Test #2:

score: 0

Accepted

time: 2ms

memory: 3700kb

input:

8 4 2

output:

0.7500000000

result:

ok found '0.7500000', expected '0.7500000', error '0.0000000'

Test #3:

score: 0

Accepted

time: 1ms

memory: 3764kb

input:

15 4 2

output:

0.3259259259

result:

ok found '0.3259259', expected '0.3259259', error '0.0000000'

Test #4:

score: 0

Accepted

time: 0ms

memory: 3908kb

input:

1000000 1 1

output:

0.0000010000

result:

ok found '0.0000010', expected '0.0000010', error '0.0000000'

Test #5:

score: 0

Accepted

time: 2ms

memory: 3768kb

input:

1000000 999998 1

output:

0.9999990000

result:

ok found '0.9999990', expected '0.9999990', error '0.0000000'

Test #6:

score: 0

Accepted

time: 2ms

memory: 3760kb

input:

1000000 1 999998

output:

0.9999990000

result:

ok found '0.9999990', expected '0.9999990', error '0.0000000'

Test #7:

score: 0

Accepted

time: 2ms

memory: 3680kb

input:

78 39 18

output:

0.7307692308

result:

ok found '0.7307692', expected '0.7307692', error '0.0000000'

Test #8:

score: 0

Accepted

time: 2ms

memory: 3860kb

input:

95 67 2

output:

0.7263157895

result:

ok found '0.7263158', expected '0.7263158', error '0.0000000'

Test #9:

score: 0

Accepted

time: 2ms

memory: 3704kb

input:

132 37 42

output:

0.5024299600

result:

ok found '0.5024300', expected '0.5024300', error '0.0000000'

Test #10:

score: 0

Accepted

time: 2ms

memory: 3772kb

input:

358 286 67

output:

0.9860335196

result:

ok found '0.9860335', expected '0.9860335', error '0.0000000'

Test #11:

score: 0

Accepted

time: 0ms

memory: 3692kb

input:

507 268 214

output:

0.9506903353

result:

ok found '0.9506903', expected '0.9506903', error '0.0000000'

Test #12:

score: 0

Accepted

time: 0ms

memory: 3812kb

input:

307521 21170 77603

output:

0.0944327116

result:

ok found '0.0944327', expected '0.0944327', error '0.0000000'

Test #13:

score: 0

Accepted

time: 2ms

memory: 3756kb

input:

801885 303025 80078

output:

0.4501497839

result:

ok found '0.4501498', expected '0.4501498', error '0.0000000'

Test #14:

score: 0

Accepted

time: 2ms

memory: 3864kb

input:

841840 457853 312238

output:

0.9147712154

result:

ok found '0.9147712', expected '0.9147712', error '0.0000000'

Test #15:

score: 0

Accepted

time: 0ms

memory: 3804kb

input:

141716 97110 2985

output:

0.7063069802

result:

ok found '0.7063070', expected '0.7063070', error '0.0000000'

Test #16:

score: 0

Accepted

time: 2ms

memory: 3732kb

input:

107479 105123 477

output:

0.9825175150

result:

ok found '0.9825175', expected '0.9825175', error '0.0000000'