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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 |
---|---|---|---|---|---|---|---|---|---|
#439096 | #8774. Manhattan Walk | ship2077 | AC ✓ | 15ms | 11820kb | C++14 | 558b | 2024-06-11 16:01:53 | 2024-06-11 16:01:54 |
Judging History
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;
}
详细
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'