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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 |
---|---|---|---|---|---|---|---|---|---|
#593012 | #8774. Manhattan Walk | Darwin_Arnold | AC ✓ | 15ms | 11744kb | C++20 | 1.1kb | 2024-09-27 11:07:15 | 2024-09-27 11:07:16 |
Judging History
answer
#include<bits/stdc++.h>
using namespace std;
const int N=1010;
double dp[N][N];
int main()
{
int r,c,p;
scanf("%d %d %d",&r,&c,&p);
dp[r][c]=0.00;
for(int i=r;i>=1;i--)
{
for(int j=c;j>=1;j--)
{
if(i==r&&j==c)continue;
else if(i==r)dp[i][j]=dp[i][j+1]+0.25*p;
else if(j==c)dp[i][j]=dp[i+1][j]+0.25*p;
else
{
double p1=dp[i][j+1];
double p2=dp[i+1][j];
if(p1-p2>=1.00*p)
{
dp[i][j]=p2+0.25*p;
}
else if(p2-p1>=1.00*p)
{
dp[i][j]=p1+0.25*p;
}
else
{
if(p1*1.00>=p2*1.00)dp[i][j]=0.50*p2+0.50*(((p1*1.00-p2*1.00)/p)*(p2+0.50*(p1-p2))+((p-p1*1.00+p2*1.00)/p)*p1);
else dp[i][j]=0.50*p1+0.50*(((p2*1.00-p1*1.00)/p)*(p1+0.50*(p2-p1))+((p-p2*1.00+p1*1.00)/p)*p2);
}
}
}
}
printf("%.8f\n",dp[1][1]);
return 0;
}
详细
Test #1:
score: 100
Accepted
time: 0ms
memory: 3888kb
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: 3896kb
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: 3928kb
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: 11744kb
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: 3876kb
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: 3940kb
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: 3816kb
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: 3876kb
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: 3820kb
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: 3912kb
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: 3868kb
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: 3868kb
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: 3856kb
input:
10 1 3
output:
6.75000000
result:
ok found '6.7500000', expected '6.7500000', error '0.0000000'
Test #14:
score: 0
Accepted
time: 15ms
memory: 11740kb
input:
997 993 998244353
output:
1779941051.34616089
result:
ok found '1779941051.3461609', expected '1779941051.3461628', error '0.0000000'
Test #15:
score: 0
Accepted
time: 6ms
memory: 11336kb
input:
988 313 886183312
output:
78753022570.48335266
result:
ok found '78753022570.4833527', expected '78753022570.4833527', error '0.0000000'
Test #16:
score: 0
Accepted
time: 4ms
memory: 10388kb
input:
583 286 322190846
output:
8636356976.84370995
result:
ok found '8636356976.8437099', expected '8636356976.8437138', error '0.0000000'
Test #17:
score: 0
Accepted
time: 7ms
memory: 10880kb
input:
892 468 494964816
output:
17125998682.72923851
result:
ok found '17125998682.7292385', expected '17125998682.7292328', error '0.0000000'
Test #18:
score: 0
Accepted
time: 1ms
memory: 4120kb
input:
26 882 386682745
output:
78231677700.75048828
result:
ok found '78231677700.7504883', expected '78231677700.7504883', error '0.0000000'
Test #19:
score: 0
Accepted
time: 12ms
memory: 11336kb
input:
867 926 422131798
output:
945100500.39910734
result:
ok found '945100500.3991073', expected '945100500.3991071', error '0.0000000'
Test #20:
score: 0
Accepted
time: 0ms
memory: 4100kb
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: 3992kb
input:
23 90 80
output:
860.05069874
result:
ok found '860.0506987', expected '860.0506987', error '0.0000000'
Test #22:
score: 0
Accepted
time: 0ms
memory: 4136kb
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: 4296kb
input:
93 66 43
output:
97.90484086
result:
ok found '97.9048409', expected '97.9048409', error '0.0000000'
Test #24:
score: 0
Accepted
time: 0ms
memory: 4316kb
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: 3900kb
input:
9 5 481032867
output:
400507342.36673832
result:
ok found '400507342.3667383', expected '400507342.3667384', error '0.0000000'
Test #26:
score: 0
Accepted
time: 1ms
memory: 8352kb
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: 3836kb
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: 3908kb
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: 3964kb
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: 3852kb
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: 3896kb
input:
2 8 1
output:
1.32710692
result:
ok found '1.3271069', expected '1.3271069', error '0.0000000'