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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
#427507#8774. Manhattan Walkucup-team3510#AC ✓15ms19792kbC++14614b2024-06-01 13:34:042024-06-01 13:34:06

Judging History

你现在查看的是最新测评结果

  • [2024-06-01 13:34:06]
  • 评测
  • 测评结果：AC
  • 用时：15ms
  • 内存：19792kb
查看
  • [2024-06-01 13:34:04]
  • 提交

answer

#include <bits/stdc++.h>
#define dubble long double
using namespace std;
int r,c,p;
dubble dp[1011][1011];
int main()
{
	scanf("%d%d%d",&r,&c,&p);
	for(int i=0;i<=r;++i)dp[i][0]=1e18;
	for(int i=0;i<=c;++i)dp[0][i]=1e18;
	dp[1][1]=0;
	for(int i=1;i<=r;++i)
	{
		for(int j=1;j<=c;++j)if(i!=1||j!=1)
		{
			dubble a=dp[i-1][j],b=dp[i][j-1];
			if(a<b)swap(a,b);
//			printf("i:%d j:%d a:%Lf b:%Lf\n",i,j,a,b);
			if(a-b>p)dp[i][j]=p/4.0+b;
			else
			{
				dubble d=a-b;
				dp[i][j]=(d+p)/(p+p)*(0.5*d*d/(d+p)+b);
				dp[i][j]+=(p-d)/(p+p)*a;
			}
		}
	}
	printf("%.100Lf\n",dp[r][c]);
}
源文件, 语言: C++14

詳細信息

Test #1:

score: 100
Accepted
time: 1ms
memory: 3988kb

input:

2 3 8

output:

2.8750000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000

result:

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

Test #2:

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

input:

5 5 5

output:

2.4322338688738813460010756983820101595483720302581787109375000000000000000000000000000000000000000000

result:

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

Test #3:

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

input:

1 1 1

output:

0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000

result:

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

Test #4:

score: 0
Accepted
time: 15ms
memory: 19792kb

input:

1000 1000 1000000000

output:

1782317138.8083752513630315661430358886718750000000000000000000000000000000000000000000000000000000000000000000

result:

ok found '1782317138.8083754', expected '1782317138.8083761', error '0.0000000'

Test #5:

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

input:

1 4 5

output:

3.7500000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000

result:

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

Test #6:

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

input:

4 1 5

output:

3.7500000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000

result:

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

Test #7:

score: 0
Accepted
time: 1ms
memory: 3928kb

input:

1 1 1000000000

output:

0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000

result:

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

Test #8:

score: 0
Accepted
time: 1ms
memory: 3856kb

input:

1 2 1000000000

output:

250000000.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000

result:

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

Test #9:

score: 0
Accepted
time: 0ms
memory: 3988kb

input:

2 1 1000000000

output:

250000000.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000

result:

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

Test #10:

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

input:

1 2 1

output:

0.2500000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000

result:

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

Test #11:

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

input:

2 1 1

output:

0.2500000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000

result:

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

Test #12:

score: 0
Accepted
time: 0ms
memory: 3964kb

input:

1 10 3

output:

6.7500000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000

result:

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

Test #13:

score: 0
Accepted
time: 0ms
memory: 4000kb

input:

10 1 3

output:

6.7500000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000

result:

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

Test #14:

score: 0
Accepted
time: 15ms
memory: 19700kb

input:

997 993 998244353

output:

1779941051.3461624383926391601562500000000000000000000000000000000000000000000000000000000000000000000000000000

result:

ok found '1779941051.3461623', expected '1779941051.3461628', error '0.0000000'

Test #15:

score: 0
Accepted
time: 8ms
memory: 15340kb

input:

988 313 886183312

output:

78753022570.4833192527294158935546875000000000000000000000000000000000000000000000000000000000000000000000000000

result:

ok found '78753022570.4833221', expected '78753022570.4833527', error '0.0000000'

Test #16:

score: 0
Accepted
time: 4ms
memory: 11736kb

input:

583 286 322190846

output:

8636356976.8437140230089426040649414062500000000000000000000000000000000000000000000000000000000000000000000000

result:

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

Test #17:

score: 0
Accepted
time: 3ms
memory: 15700kb

input:

892 468 494964816

output:

17125998682.7292389515787363052368164062500000000000000000000000000000000000000000000000000000000000000000000000

result:

ok found '17125998682.7292385', expected '17125998682.7292328', error '0.0000000'

Test #18:

score: 0
Accepted
time: 1ms
memory: 4340kb

input:

26 882 386682745

output:

78231677700.7504219487309455871582031250000000000000000000000000000000000000000000000000000000000000000000000000

result:

ok found '78231677700.7504272', expected '78231677700.7504883', error '0.0000000'

Test #19:

score: 0
Accepted
time: 12ms
memory: 17664kb

input:

867 926 422131798

output:

945100500.3991072661592625081539154052734375000000000000000000000000000000000000000000000000000000000000000000

result:

ok found '945100500.3991072', expected '945100500.3991071', error '0.0000000'

Test #20:

score: 0
Accepted
time: 1ms
memory: 4124kb

input:

37 68 19

output:

62.2844598801590529635330284463634598068892955780029296875000000000000000000000000000000000000000000000

result:

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

Test #21:

score: 0
Accepted
time: 1ms
memory: 4108kb

input:

23 90 80

output:

860.0506987357910878011502120443765306845307350158691406250000000000000000000000000000000000000000000000

result:

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

Test #22:

score: 0
Accepted
time: 1ms
memory: 6092kb

input:

43 55 85

output:

118.3892679675641831579802065732565097277984023094177246093750000000000000000000000000000000000000000000

result:

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

Test #23:

score: 0
Accepted
time: 1ms
memory: 4388kb

input:

93 66 43

output:

97.9048408587510907014062055964132014196366071701049804687500000000000000000000000000000000000000000000

result:

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

Test #24:

score: 0
Accepted
time: 1ms
memory: 6400kb

input:

78 93 30

output:

44.8454523264506087557035307611386087955906987190246582031250000000000000000000000000000000000000000000

result:

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

Test #25:

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

input:

9 5 481032867

output:

400507342.3667383419524412602186203002929687500000000000000000000000000000000000000000000000000000000000000000

result:

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

Test #26:

score: 0
Accepted
time: 2ms
memory: 8572kb

input:

366 73 3

output:

149.4864642330959675908808037547714775428175926208496093750000000000000000000000000000000000000000000000

result:

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

Test #27:

score: 0
Accepted
time: 1ms
memory: 3936kb

input:

6 4 5

output:

2.8946451697287580568079129461622756025462877005338668823242187500000000000000000000000000000000000000

result:

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

Test #28:

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

input:

8 10 5

output:

3.3973608524749087027132243843396963711711578071117401123046875000000000000000000000000000000000000000

result:

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

Test #29:

score: 0
Accepted
time: 0ms
memory: 3952kb

input:

10 1 7

output:

15.7500000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000

result:

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

Test #30:

score: 0
Accepted
time: 0ms
memory: 4020kb

input:

10 7 10

output:

7.3716466073941417491005578810359111230354756116867065429687500000000000000000000000000000000000000000

result:

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

Test #31:

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

input:

2 8 1

output:

1.3271069194657822797175569795591343336127465590834617614746093750000000000000000000000000000000000000

result:

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