QOJ.ac
QOJ
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 |
---|---|---|---|---|---|---|---|---|---|
#427390 | #8774. Manhattan Walk | ucup-team3586# | AC ✓ | 12ms | 19532kb | C++23 | 1.3kb | 2024-06-01 13:11:03 | 2024-06-01 13:11:04 |
Judging History
answer
//Author: Kevin
#include<bits/stdc++.h>
//#pragma GCC optimize("O2")
using namespace std;
#define ll long long
#define ull unsigned ll
#define pb emplace_back
#define mp make_pair
#define ALL(x) (x).begin(),(x).end()
#define rALL(x) (x).rbegin(),(x).rend()
#define srt(x) sort(ALL(x))
#define rev(x) reverse(ALL(x))
#define rsrt(x) sort(rALL(x))
#define sz(x) (int)(x.size())
#define inf 0x3f3f3f3f
#define pii pair<int,int>
#define lb(v,x) (int)(lower_bound(ALL(v),x)-v.begin())
#define ub(v,x) (int)(upper_bound(ALL(v),x)-v.begin())
#define uni(v) v.resize(unique(ALL(v))-v.begin())
#define longer __int128_t
void die(string S){puts(S.c_str());exit(0);}
long double dp[1005][1005];
ll p;
int n,m;
long double solve(long double a,long double b,long double c)
{
if(b<a) return b;
if(a+c<b) return a+c/2.0;
long double val=b-a;
return (a+val/2.0)*val/c+(c-val)*b/c;
}
int main()
{
ios_base::sync_with_stdio(false);
cin.tie(0);
cout.tie(0);
cin>>n>>m>>p;
for(int i=1;i<=n;i++)
for(int j=1;j<=m;j++)
{
if(i==1&&j==1) continue;
if(i==1)
dp[i][j]=dp[i][j-1]+p*0.25;
else if(j==1)
dp[i][j]=dp[i-1][j]+p*0.25;
else
dp[i][j]=(solve(dp[i-1][j],dp[i][j-1],p)+solve(dp[i][j-1],dp[i-1][j],p))*0.5;
}
cout<<fixed<<setprecision(15)<<dp[n][m]<<endl;
return 0;
}
詳細信息
Test #1:
score: 100
Accepted
time: 0ms
memory: 3848kb
input:
2 3 8
output:
2.875000000000000
result:
ok found '2.8750000', expected '2.8750000', error '0.0000000'
Test #2:
score: 0
Accepted
time: 0ms
memory: 3676kb
input:
5 5 5
output:
2.432233868873881
result:
ok found '2.4322339', expected '2.4322339', error '0.0000000'
Test #3:
score: 0
Accepted
time: 0ms
memory: 3828kb
input:
1 1 1
output:
0.000000000000000
result:
ok found '0.0000000', expected '0.0000000', error '-0.0000000'
Test #4:
score: 0
Accepted
time: 8ms
memory: 19532kb
input:
1000 1000 1000000000
output:
1782317138.808375250664540
result:
ok found '1782317138.8083754', expected '1782317138.8083761', error '0.0000000'
Test #5:
score: 0
Accepted
time: 0ms
memory: 3836kb
input:
1 4 5
output:
3.750000000000000
result:
ok found '3.7500000', expected '3.7500000', error '0.0000000'
Test #6:
score: 0
Accepted
time: 0ms
memory: 3812kb
input:
4 1 5
output:
3.750000000000000
result:
ok found '3.7500000', expected '3.7500000', error '0.0000000'
Test #7:
score: 0
Accepted
time: 0ms
memory: 3732kb
input:
1 1 1000000000
output:
0.000000000000000
result:
ok found '0.0000000', expected '0.0000000', error '-0.0000000'
Test #8:
score: 0
Accepted
time: 0ms
memory: 3848kb
input:
1 2 1000000000
output:
250000000.000000000000000
result:
ok found '250000000.0000000', expected '250000000.0000000', error '0.0000000'
Test #9:
score: 0
Accepted
time: 0ms
memory: 3660kb
input:
2 1 1000000000
output:
250000000.000000000000000
result:
ok found '250000000.0000000', expected '250000000.0000000', error '0.0000000'
Test #10:
score: 0
Accepted
time: 0ms
memory: 3804kb
input:
1 2 1
output:
0.250000000000000
result:
ok found '0.2500000', expected '0.2500000', error '0.0000000'
Test #11:
score: 0
Accepted
time: 0ms
memory: 3844kb
input:
2 1 1
output:
0.250000000000000
result:
ok found '0.2500000', expected '0.2500000', error '0.0000000'
Test #12:
score: 0
Accepted
time: 0ms
memory: 3768kb
input:
1 10 3
output:
6.750000000000000
result:
ok found '6.7500000', expected '6.7500000', error '0.0000000'
Test #13:
score: 0
Accepted
time: 0ms
memory: 3812kb
input:
10 1 3
output:
6.750000000000000
result:
ok found '6.7500000', expected '6.7500000', error '0.0000000'
Test #14:
score: 0
Accepted
time: 12ms
memory: 19452kb
input:
997 993 998244353
output:
1779941051.346162437926978
result:
ok found '1779941051.3461623', expected '1779941051.3461628', error '0.0000000'
Test #15:
score: 0
Accepted
time: 3ms
memory: 18876kb
input:
988 313 886183312
output:
78753022570.483319185674191
result:
ok found '78753022570.4833221', expected '78753022570.4833527', error '0.0000000'
Test #16:
score: 0
Accepted
time: 0ms
memory: 12956kb
input:
583 286 322190846
output:
8636356976.843714021146297
result:
ok found '8636356976.8437138', expected '8636356976.8437138', error '0.0000000'
Test #17:
score: 0
Accepted
time: 8ms
memory: 17464kb
input:
892 468 494964816
output:
17125998682.729238951578736
result:
ok found '17125998682.7292385', expected '17125998682.7292328', error '0.0000000'
Test #18:
score: 0
Accepted
time: 1ms
memory: 4252kb
input:
26 882 386682745
output:
78231677700.750421971082687
result:
ok found '78231677700.7504272', expected '78231677700.7504883', error '0.0000000'
Test #19:
score: 0
Accepted
time: 0ms
memory: 19296kb
input:
867 926 422131798
output:
945100500.399107266217470
result:
ok found '945100500.3991072', expected '945100500.3991071', error '0.0000000'
Test #20:
score: 0
Accepted
time: 0ms
memory: 4028kb
input:
37 68 19
output:
62.284459880159053
result:
ok found '62.2844599', expected '62.2844599', error '0.0000000'
Test #21:
score: 0
Accepted
time: 0ms
memory: 3944kb
input:
23 90 80
output:
860.050698735791088
result:
ok found '860.0506987', expected '860.0506987', error '0.0000000'
Test #22:
score: 0
Accepted
time: 0ms
memory: 4060kb
input:
43 55 85
output:
118.389267967564183
result:
ok found '118.3892680', expected '118.3892680', error '0.0000000'
Test #23:
score: 0
Accepted
time: 1ms
memory: 6300kb
input:
93 66 43
output:
97.904840858751091
result:
ok found '97.9048409', expected '97.9048409', error '0.0000000'
Test #24:
score: 0
Accepted
time: 1ms
memory: 6168kb
input:
78 93 30
output:
44.845452326450609
result:
ok found '44.8454523', expected '44.8454523', error '0.0000000'
Test #25:
score: 0
Accepted
time: 0ms
memory: 3828kb
input:
9 5 481032867
output:
400507342.366738342010649
result:
ok found '400507342.3667383', expected '400507342.3667384', error '0.0000000'
Test #26:
score: 0
Accepted
time: 2ms
memory: 10364kb
input:
366 73 3
output:
149.486464233095968
result:
ok found '149.4864642', expected '149.4864642', error '0.0000000'
Test #27:
score: 0
Accepted
time: 0ms
memory: 3680kb
input:
6 4 5
output:
2.894645169728758
result:
ok found '2.8946452', expected '2.8946452', error '0.0000000'
Test #28:
score: 0
Accepted
time: 0ms
memory: 3868kb
input:
8 10 5
output:
3.397360852474909
result:
ok found '3.3973609', expected '3.3973609', error '0.0000000'
Test #29:
score: 0
Accepted
time: 0ms
memory: 3688kb
input:
10 1 7
output:
15.750000000000000
result:
ok found '15.7500000', expected '15.7500000', error '0.0000000'
Test #30:
score: 0
Accepted
time: 0ms
memory: 3836kb
input:
10 7 10
output:
7.371646607394142
result:
ok found '7.3716466', expected '7.3716466', error '0.0000000'
Test #31:
score: 0
Accepted
time: 0ms
memory: 3804kb
input:
2 8 1
output:
1.327106919465782
result:
ok found '1.3271069', expected '1.3271069', error '0.0000000'