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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 |
---|---|---|---|---|---|---|---|---|---|
#454718 | #8774. Manhattan Walk | ucup-team173 | AC ✓ | 17ms | 10944kb | C++20 | 953b | 2024-06-25 11:00:14 | 2024-06-25 11:00:15 |
Judging History
answer
#include <bits/stdc++.h>
using namespace std;
using i64 = long long;
signed main() {
ios::sync_with_stdio(0);
cin.tie(0), cout.tie(0);
int r, c, p;
cin >> r >> c >> p;
vector<vector<double>> f(r, vector<double>(c));
for(int i = r - 1; i >= 0; i--) {
for(int j = c - 1; j >= 0; j--) {
double a = -1, b = -1;
if(i + 1 < r) {
a = f[i + 1][j];
}
if(j + 1 < c) {
b = f[i][j + 1];
}
if(a > b) swap(a, b);
if(b == -1) continue;
if(a == -1) {
f[i][j] = b + p / 4.;
} else if(b >= a + p) {
f[i][j] = a + p / 4.;
} else {
f[i][j] = (p - (b - a)) / 2. / p * b + a / 2. + (b - a) / 2. / p * (a + b) / 2;
}
}
}
cout << setprecision(20) << f[0][0] << '\n';
return 0;
}
詳細信息
Test #1:
score: 100
Accepted
time: 0ms
memory: 3668kb
input:
2 3 8
output:
2.875
result:
ok found '2.8750000', expected '2.8750000', error '0.0000000'
Test #2:
score: 0
Accepted
time: 0ms
memory: 3628kb
input:
5 5 5
output:
2.4322338688738813772
result:
ok found '2.4322339', expected '2.4322339', error '0.0000000'
Test #3:
score: 0
Accepted
time: 0ms
memory: 3824kb
input:
1 1 1
output:
0
result:
ok found '0.0000000', expected '0.0000000', error '-0.0000000'
Test #4:
score: 0
Accepted
time: 17ms
memory: 10928kb
input:
1000 1000 1000000000
output:
1782317138.8083772659
result:
ok found '1782317138.8083773', expected '1782317138.8083761', error '0.0000000'
Test #5:
score: 0
Accepted
time: 0ms
memory: 3984kb
input:
1 4 5
output:
3.75
result:
ok found '3.7500000', expected '3.7500000', error '0.0000000'
Test #6:
score: 0
Accepted
time: 0ms
memory: 3784kb
input:
4 1 5
output:
3.75
result:
ok found '3.7500000', expected '3.7500000', error '0.0000000'
Test #7:
score: 0
Accepted
time: 0ms
memory: 3684kb
input:
1 1 1000000000
output:
0
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
result:
ok found '250000000.0000000', expected '250000000.0000000', error '0.0000000'
Test #9:
score: 0
Accepted
time: 0ms
memory: 3688kb
input:
2 1 1000000000
output:
250000000
result:
ok found '250000000.0000000', expected '250000000.0000000', error '0.0000000'
Test #10:
score: 0
Accepted
time: 0ms
memory: 3684kb
input:
1 2 1
output:
0.25
result:
ok found '0.2500000', expected '0.2500000', error '0.0000000'
Test #11:
score: 0
Accepted
time: 0ms
memory: 3852kb
input:
2 1 1
output:
0.25
result:
ok found '0.2500000', expected '0.2500000', error '0.0000000'
Test #12:
score: 0
Accepted
time: 0ms
memory: 3864kb
input:
1 10 3
output:
6.75
result:
ok found '6.7500000', expected '6.7500000', error '0.0000000'
Test #13:
score: 0
Accepted
time: 0ms
memory: 3984kb
input:
10 1 3
output:
6.75
result:
ok found '6.7500000', expected '6.7500000', error '0.0000000'
Test #14:
score: 0
Accepted
time: 14ms
memory: 10944kb
input:
997 993 998244353
output:
1779941051.3461630344
result:
ok found '1779941051.3461630', expected '1779941051.3461628', error '0.0000000'
Test #15:
score: 0
Accepted
time: 6ms
memory: 5912kb
input:
988 313 886183312
output:
78753022570.483352661
result:
ok found '78753022570.4833527', expected '78753022570.4833527', error '0.0000000'
Test #16:
score: 0
Accepted
time: 3ms
memory: 4324kb
input:
583 286 322190846
output:
8636356976.8437137604
result:
ok found '8636356976.8437138', expected '8636356976.8437138', error '0.0000000'
Test #17:
score: 0
Accepted
time: 7ms
memory: 6496kb
input:
892 468 494964816
output:
17125998682.729249954
result:
ok found '17125998682.7292500', expected '17125998682.7292328', error '0.0000000'
Test #18:
score: 0
Accepted
time: 1ms
memory: 3764kb
input:
26 882 386682745
output:
78231677700.750396729
result:
ok found '78231677700.7503967', expected '78231677700.7504883', error '0.0000000'
Test #19:
score: 0
Accepted
time: 10ms
memory: 9400kb
input:
867 926 422131798
output:
945100500.39910674095
result:
ok found '945100500.3991067', expected '945100500.3991071', error '0.0000000'
Test #20:
score: 0
Accepted
time: 0ms
memory: 3884kb
input:
37 68 19
output:
62.284459880159033673
result:
ok found '62.2844599', expected '62.2844599', error '0.0000000'
Test #21:
score: 0
Accepted
time: 0ms
memory: 3788kb
input:
23 90 80
output:
860.05069873579100204
result:
ok found '860.0506987', expected '860.0506987', error '0.0000000'
Test #22:
score: 0
Accepted
time: 0ms
memory: 3648kb
input:
43 55 85
output:
118.38926796756420856
result:
ok found '118.3892680', expected '118.3892680', error '0.0000000'
Test #23:
score: 0
Accepted
time: 0ms
memory: 3760kb
input:
93 66 43
output:
97.904840858751114752
result:
ok found '97.9048409', expected '97.9048409', error '0.0000000'
Test #24:
score: 0
Accepted
time: 0ms
memory: 3740kb
input:
78 93 30
output:
44.845452326450605085
result:
ok found '44.8454523', expected '44.8454523', error '0.0000000'
Test #25:
score: 0
Accepted
time: 0ms
memory: 3816kb
input:
9 5 481032867
output:
400507342.36673825979
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:
149.48646423309600095
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:
2.8946451697287582938
result:
ok found '2.8946452', expected '2.8946452', error '0.0000000'
Test #28:
score: 0
Accepted
time: 0ms
memory: 3676kb
input:
8 10 5
output:
3.3973608524749079329
result:
ok found '3.3973609', expected '3.3973609', error '0.0000000'
Test #29:
score: 0
Accepted
time: 0ms
memory: 3980kb
input:
10 1 7
output:
15.75
result:
ok found '15.7500000', expected '15.7500000', error '0.0000000'
Test #30:
score: 0
Accepted
time: 0ms
memory: 3772kb
input:
10 7 10
output:
7.371646607394139572
result:
ok found '7.3716466', expected '7.3716466', error '0.0000000'
Test #31:
score: 0
Accepted
time: 0ms
memory: 3788kb
input:
2 8 1
output:
1.3271069194657820756
result:
ok found '1.3271069', expected '1.3271069', error '0.0000000'