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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 |
---|---|---|---|---|---|---|---|---|---|
#428561 | #8774. Manhattan Walk | ucup-team3608# | AC ✓ | 13ms | 10984kb | C++23 | 1003b | 2024-06-01 20:21:27 | 2024-06-01 20:21:27 |
Judging History
answer
#include <bits/stdc++.h>
#define st first
#define nd second
using lint = long long;
constexpr int mod = 998244353;
constexpr int inf = 0x3f3f3f3f;
constexpr lint linf = 0x3f3f3f3f3f3f3f3f;
using namespace std;
using dbl = double;
int main(){
cin.tie(nullptr)->sync_with_stdio(false);
int n, m, p;
cin>>n>>m>>p;
vector<vector<dbl>>dp(n+1, vector<dbl>(m+1));
for(int i=1;i<=n;i++){
for(int j=1;j<=m;j++){
if(i == 1 && j == 1) continue;
if(j > 1 && i > 1){
dbl d = abs(dp[i-1][j] - dp[i][j-1]);
dbl mn = min(dp[i-1][j], dp[i][j-1]);
dp[i][j] = (d * d / 2 + (p - d) * d) / p / 2 + mn;
}
else if(j > 1){
dp[i][j] = dbl(p) / 4 + dp[i][j-1];
}
else{
dp[i][j] = dbl(p) / 4 + dp[i-1][j];
}
}
}
cout<<fixed<<setprecision(8);
cout<<dp[n][m]<<"\n";
return 0;
}
详细
Test #1:
score: 100
Accepted
time: 0ms
memory: 3788kb
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: 3828kb
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: 3772kb
input:
1 1 1
output:
0.00000000
result:
ok found '0.0000000', expected '0.0000000', error '-0.0000000'
Test #4:
score: 0
Accepted
time: 12ms
memory: 10944kb
input:
1000 1000 1000000000
output:
1782317138.80837536
result:
ok found '1782317138.8083754', expected '1782317138.8083761', error '0.0000000'
Test #5:
score: 0
Accepted
time: 0ms
memory: 3764kb
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: 3792kb
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: 3872kb
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: 3788kb
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: 4008kb
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: 3808kb
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: 3792kb
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: 3804kb
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: 3780kb
input:
10 1 3
output:
6.75000000
result:
ok found '6.7500000', expected '6.7500000', error '0.0000000'
Test #14:
score: 0
Accepted
time: 12ms
memory: 10984kb
input:
997 993 998244353
output:
1779941051.34616375
result:
ok found '1779941051.3461637', expected '1779941051.3461628', error '0.0000000'
Test #15:
score: 0
Accepted
time: 5ms
memory: 5736kb
input:
988 313 886183312
output:
78753022570.48332214
result:
ok found '78753022570.4833221', expected '78753022570.4833527', error '0.0000000'
Test #16:
score: 0
Accepted
time: 3ms
memory: 4336kb
input:
583 286 322190846
output:
8636356976.84371567
result:
ok found '8636356976.8437157', expected '8636356976.8437138', error '0.0000000'
Test #17:
score: 0
Accepted
time: 7ms
memory: 6468kb
input:
892 468 494964816
output:
17125998682.72923660
result:
ok found '17125998682.7292366', expected '17125998682.7292328', error '0.0000000'
Test #18:
score: 0
Accepted
time: 1ms
memory: 3924kb
input:
26 882 386682745
output:
78231677700.75042725
result:
ok found '78231677700.7504272', expected '78231677700.7504883', error '0.0000000'
Test #19:
score: 0
Accepted
time: 13ms
memory: 9428kb
input:
867 926 422131798
output:
945100500.39910746
result:
ok found '945100500.3991075', expected '945100500.3991071', error '0.0000000'
Test #20:
score: 0
Accepted
time: 0ms
memory: 3784kb
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: 4000kb
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: 3800kb
input:
43 55 85
output:
118.38926797
result:
ok found '118.3892680', expected '118.3892680', error '0.0000000'
Test #23:
score: 0
Accepted
time: 0ms
memory: 3824kb
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: 3784kb
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: 3748kb
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: 3968kb
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: 3780kb
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: 3768kb
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: 3900kb
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: 3732kb
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: 3732kb
input:
2 8 1
output:
1.32710692
result:
ok found '1.3271069', expected '1.3271069', error '0.0000000'