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IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#439096#8774. Manhattan Walkship2077AC ✓15ms11820kbC++14558b2024-06-11 16:01:532024-06-11 16:01:54

Judging History

你现在查看的是最新测评结果

  • [2024-06-11 16:01:54]
  • 评测
  • 测评结果：AC
  • 用时：15ms
  • 内存：11820kb
查看
  • [2024-06-11 16:01:53]
  • 提交

answer

#include<bits/stdc++.h>
using namespace std;
double p,f[1005][1005];
int main(){ int n,m;
    scanf("%d%d%lf",&n,&m,&p);
    for (int i=0;i<=n;i++) f[i][0]=1e18;
    for (int i=0;i<=m;i++) f[0][i]=1e18;
    for (int i=1;i<=n;i++)
        for (int j=1;j<=m;j++){
            if (i==1&&j==1) continue;
            double a=f[i-1][j],b=f[i][j-1];
            if (a>b) swap(a,b);
            if (p+a<=b) f[i][j]=a+p/4.;
            else f[i][j]=(p-(b-a))/(p*2)*b+a/2+(b-a)/(p*2)*(a+b)/2;
        }
    printf("%.12lf\n",f[n][m]);
    return 0;
}
Source code, Language: C++14

Details

Tip: Click on the bar to expand more detailed information

Test #1:

score: 100
Accepted
time: 0ms
memory: 3864kb

input:

2 3 8

output:

2.875000000000

result:

ok found '2.8750000', expected '2.8750000', error '0.0000000'

Test #2:

score: 0
Accepted
time: 1ms
memory: 3944kb

input:

5 5 5

output:

2.432233868874

result:

ok found '2.4322339', expected '2.4322339', error '0.0000000'

Test #3:

score: 0
Accepted
time: 1ms
memory: 3892kb

input:

1 1 1

output:

0.000000000000

result:

ok found '0.0000000', expected '0.0000000', error '-0.0000000'

Test #4:

score: 0
Accepted
time: 11ms
memory: 11820kb

input:

1000 1000 1000000000

output:

1782317138.808377265930

result:

ok found '1782317138.8083773', expected '1782317138.8083761', error '0.0000000'

Test #5:

score: 0
Accepted
time: 1ms
memory: 3800kb

input:

1 4 5

output:

3.750000000000

result:

ok found '3.7500000', expected '3.7500000', error '0.0000000'

Test #6:

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

input:

4 1 5

output:

3.750000000000

result:

ok found '3.7500000', expected '3.7500000', error '0.0000000'

Test #7:

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

input:

1 1 1000000000

output:

0.000000000000

result:

ok found '0.0000000', expected '0.0000000', error '-0.0000000'

Test #8:

score: 0
Accepted
time: 0ms
memory: 3892kb

input:

1 2 1000000000

output:

250000000.000000000000

result:

ok found '250000000.0000000', expected '250000000.0000000', error '0.0000000'

Test #9:

score: 0
Accepted
time: 0ms
memory: 3892kb

input:

2 1 1000000000

output:

250000000.000000000000

result:

ok found '250000000.0000000', expected '250000000.0000000', error '0.0000000'

Test #10:

score: 0
Accepted
time: 1ms
memory: 5904kb

input:

1 2 1

output:

0.250000000000

result:

ok found '0.2500000', expected '0.2500000', error '0.0000000'

Test #11:

score: 0
Accepted
time: 0ms
memory: 3956kb

input:

2 1 1

output:

0.250000000000

result:

ok found '0.2500000', expected '0.2500000', error '0.0000000'

Test #12:

score: 0
Accepted
time: 1ms
memory: 3884kb

input:

1 10 3

output:

6.750000000000

result:

ok found '6.7500000', expected '6.7500000', error '0.0000000'

Test #13:

score: 0
Accepted
time: 1ms
memory: 3944kb

input:

10 1 3

output:

6.750000000000

result:

ok found '6.7500000', expected '6.7500000', error '0.0000000'

Test #14:

score: 0
Accepted
time: 15ms
memory: 11784kb

input:

997 993 998244353

output:

1779941051.346163034439

result:

ok found '1779941051.3461630', expected '1779941051.3461628', error '0.0000000'

Test #15:

score: 0
Accepted
time: 3ms
memory: 11052kb

input:

988 313 886183312

output:

78753022570.483352661133

result:

ok found '78753022570.4833527', expected '78753022570.4833527', error '0.0000000'

Test #16:

score: 0
Accepted
time: 3ms
memory: 7968kb

input:

583 286 322190846

output:

8636356976.843713760376

result:

ok found '8636356976.8437138', expected '8636356976.8437138', error '0.0000000'

Test #17:

score: 0
Accepted
time: 4ms
memory: 10732kb

input:

892 468 494964816

output:

17125998682.729249954224

result:

ok found '17125998682.7292500', expected '17125998682.7292328', error '0.0000000'

Test #18:

score: 0
Accepted
time: 0ms
memory: 4092kb

input:

26 882 386682745

output:

78231677700.750396728516

result:

ok found '78231677700.7503967', expected '78231677700.7504883', error '0.0000000'

Test #19:

score: 0
Accepted
time: 8ms
memory: 10696kb

input:

867 926 422131798

output:

945100500.399106740952

result:

ok found '945100500.3991067', expected '945100500.3991071', error '0.0000000'

Test #20:

score: 0
Accepted
time: 1ms
memory: 4136kb

input:

37 68 19

output:

62.284459880159

result:

ok found '62.2844599', expected '62.2844599', error '0.0000000'

Test #21:

score: 0
Accepted
time: 0ms
memory: 4056kb

input:

23 90 80

output:

860.050698735791

result:

ok found '860.0506987', expected '860.0506987', error '0.0000000'

Test #22:

score: 0
Accepted
time: 1ms
memory: 5908kb

input:

43 55 85

output:

118.389267967564

result:

ok found '118.3892680', expected '118.3892680', error '0.0000000'

Test #23:

score: 0
Accepted
time: 1ms
memory: 4332kb

input:

93 66 43

output:

97.904840858751

result:

ok found '97.9048409', expected '97.9048409', error '0.0000000'

Test #24:

score: 0
Accepted
time: 0ms
memory: 6036kb

input:

78 93 30

output:

44.845452326451

result:

ok found '44.8454523', expected '44.8454523', error '0.0000000'

Test #25:

score: 0
Accepted
time: 0ms
memory: 3852kb

input:

9 5 481032867

output:

400507342.366738259792

result:

ok found '400507342.3667383', expected '400507342.3667384', error '0.0000000'

Test #26:

score: 0
Accepted
time: 2ms
memory: 6684kb

input:

366 73 3

output:

149.486464233096

result:

ok found '149.4864642', expected '149.4864642', error '0.0000000'

Test #27:

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

input:

6 4 5

output:

2.894645169729

result:

ok found '2.8946452', expected '2.8946452', error '0.0000000'

Test #28:

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

input:

8 10 5

output:

3.397360852475

result:

ok found '3.3973609', expected '3.3973609', error '0.0000000'

Test #29:

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

input:

10 1 7

output:

15.750000000000

result:

ok found '15.7500000', expected '15.7500000', error '0.0000000'

Test #30:

score: 0
Accepted
time: 0ms
memory: 3948kb

input:

10 7 10

output:

7.371646607394

result:

ok found '7.3716466', expected '7.3716466', error '0.0000000'

Test #31:

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

input:

2 8 1

output:

1.327106919466

result:

ok found '1.3271069', expected '1.3271069', error '0.0000000'
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