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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
#429425#8774. Manhattan Walkxiaolang#AC ✓15ms11752kbC++14651b2024-06-02 14:46:382024-06-02 14:46:39

Judging History

你现在查看的是最新测评结果

  • [2024-06-02 14:46:39]
  • 评测
  • 测评结果：AC
  • 用时：15ms
  • 内存：11752kb
查看
  • [2024-06-02 14:46:38]
  • 提交

answer

#include<bits/stdc++.h>
using namespace std;
#define int long long
const int N=1e3+5;
double d[N][N];
int n,m,p;
signed main(){
	scanf("%lld%lld%lld",&n,&m,&p);
	d[0][0]=0;
	for(int i=1;i<=m;i++){
		d[0][i]=p*1.0/4+d[0][i-1];
	}
	for(int i=1;i<=n;i++){
		d[i][0]=p*1.0/4+d[i-1][0];
	}
	for(int i=1;i<n;i++){
		for(int j=1;j<m;j++){
			double min_n=min(d[i][j-1],d[i-1][j]);
			double max_x=max(d[i][j-1],d[i-1][j]);
			if(max_x-min_n>p){
				d[i][j]=min_n+p*1.0/4;
			}
			else{
				double dd=max_x-min_n;
				d[i][j]=(max_x*(p-dd)+dd*min_n+dd*dd/2+p*min_n)/2.0/p;
			}
		}
	}
	printf("%.8f\n",d[n-1][m-1]);
	return 0;
}
源文件, 语言: C++14

詳細信息

Test #1:

score: 100
Accepted
time: 0ms
memory: 3920kb

input:

2 3 8

output:

2.87500000

result:

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

Test #2:

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

input:

5 5 5

output:

2.43223387

result:

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

Test #3:

score: 0
Accepted
time: 0ms
memory: 3912kb

input:

1 1 1

output:

0.00000000

result:

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

Test #4:

score: 0
Accepted
time: 15ms
memory: 11752kb

input:

1000 1000 1000000000

output:

1782317138.80837584

result:

ok found '1782317138.8083758', expected '1782317138.8083761', error '0.0000000'

Test #5:

score: 0
Accepted
time: 0ms
memory: 3848kb

input:

1 4 5

output:

3.75000000

result:

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

Test #6:

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

input:

4 1 5

output:

3.75000000

result:

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

Test #7:

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

input:

1 1 1000000000

output:

0.00000000

result:

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

Test #8:

score: 0
Accepted
time: 0ms
memory: 3784kb

input:

1 2 1000000000

output:

250000000.00000000

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:

250000000.00000000

result:

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

Test #10:

score: 0
Accepted
time: 0ms
memory: 3784kb

input:

1 2 1

output:

0.25000000

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:

0.25000000

result:

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

Test #12:

score: 0
Accepted
time: 0ms
memory: 3828kb

input:

1 10 3

output:

6.75000000

result:

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

Test #13:

score: 0
Accepted
time: 0ms
memory: 3880kb

input:

10 1 3

output:

6.75000000

result:

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

Test #14:

score: 0
Accepted
time: 11ms
memory: 11736kb

input:

997 993 998244353

output:

1779941051.34615874

result:

ok found '1779941051.3461587', expected '1779941051.3461628', error '0.0000000'

Test #15:

score: 0
Accepted
time: 3ms
memory: 11404kb

input:

988 313 886183312

output:

78753022570.48333740

result:

ok found '78753022570.4833374', expected '78753022570.4833527', error '0.0000000'

Test #16:

score: 0
Accepted
time: 3ms
memory: 8540kb

input:

583 286 322190846

output:

8636356976.84370995

result:

ok found '8636356976.8437099', expected '8636356976.8437138', error '0.0000000'

Test #17:

score: 0
Accepted
time: 3ms
memory: 10872kb

input:

892 468 494964816

output:

17125998682.72923470

result:

ok found '17125998682.7292347', expected '17125998682.7292328', error '0.0000000'

Test #18:

score: 0
Accepted
time: 1ms
memory: 6068kb

input:

26 882 386682745

output:

78231677700.75036621

result:

ok found '78231677700.7503662', expected '78231677700.7504883', error '0.0000000'

Test #19:

score: 0
Accepted
time: 12ms
memory: 10624kb

input:

867 926 422131798

output:

945100500.39910710

result:

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

Test #20:

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

input:

37 68 19

output:

62.28445988

result:

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

Test #21:

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

input:

23 90 80

output:

860.05069874

result:

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

Test #22:

score: 0
Accepted
time: 1ms
memory: 5916kb

input:

43 55 85

output:

118.38926797

result:

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

Test #23:

score: 0
Accepted
time: 1ms
memory: 6076kb

input:

93 66 43

output:

97.90484086

result:

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

Test #24:

score: 0
Accepted
time: 1ms
memory: 6240kb

input:

78 93 30

output:

44.84545233

result:

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

Test #25:

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

input:

9 5 481032867

output:

400507342.36673820

result:

ok found '400507342.3667382', expected '400507342.3667384', error '0.0000000'

Test #26:

score: 0
Accepted
time: 1ms
memory: 7044kb

input:

366 73 3

output:

149.48646423

result:

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

Test #27:

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

input:

6 4 5

output:

2.89464517

result:

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

Test #28:

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

input:

8 10 5

output:

3.39736085

result:

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

Test #29:

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

input:

10 1 7

output:

15.75000000

result:

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

Test #30:

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

input:

10 7 10

output:

7.37164661

result:

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

Test #31:

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

input:

2 8 1

output:

1.32710692

result:

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