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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 |
|---|---|---|---|---|---|---|---|---|---|
| #635110 | #3994. Easy Jump | dspt | WA | 0ms | 2212kb | C++23 | 1.8kb | 2024-10-12 19:02:28 | 2024-10-12 19:02:32 |
Judging History
answer
#include <stdio.h>
bool b[1001]; double p[1001], f[1001][10][7], g[1001][10];
int main()
{
int n, h, s, t1, t2; scanf("%d%d%d", &n, &h, &s);
for (int i(1); i <= n; ++i) scanf("%lf", &p[i]), p[i] /= 100;
int m; scanf("%d", &m); while (m--) { int i; scanf("%d", &i); b[i] = true; }
scanf("%d%d", &t1, &t2);
if (t1 >= t2 || !s)
{
for (int i(n); i; --i)
{
g[i][2] = (t2 + 1) / p[i] + g[i + 1][2] - t2;
for (int j(3); j <= h; ++j)
g[i][j] = p[i] * g[i + 1][j] + (1 - p[i]) * g[i][j - 1] + 1;
}
printf("%.6f\n", g[1][h]);
}
else
{
for (int i(n); i; --i)
if (b[i])
{
double d[h + 1], e[h + 1]; for (int j(2); j <= h; ++j) d[j] = 1e9;
for (int c(2); c <= h; ++c)
{
e[c] = (t1 + 1) / p[i] + f[i + 1][c][s] - t1;
for (int j(2); j < c; ++j) e[j] = e[c] + (c - j) * t1;
for (int j(c + 1); j <= h; ++j) e[j] = p[i] * f[i + 1][j][s] + (1 - p[i]) * e[j - 1] + 1;
for (int j(2); j <= h; ++j) if (e[j] < d[j]) d[j] = e[j];
}
for (int j(2); j <= h; ++j) for (int k(0); k <= s; ++k) f[i][j][k] = d[j];
}
else
{
f[i][2][0] = (t2 + 1) / p[i] + f[i + 1][2][0] - t2;
for (int k(1); k <= s; ++k) f[i][2][k] = p[i] * f[i + 1][2][k] + (1 - p[i]) * (f[i][2][k - 1] + t1) + 1;
for (int j(3); j <= h; ++j) for (int k(0); k <= s; ++k)
f[i][j][k] = p[i] * f[i + 1][j][k] + (1 - p[i]) * f[i][j - 1][k] + 1;
}
printf("%.6f\n", f[1][h][s]);
}
return 0;
}
详细
Test #1:
score: 100
Accepted
time: 0ms
memory: 1668kb
input:
1 2 0 50 0 1 2
output:
4.000000
result:
ok found '4.0000000', expected '4.0000000', error '0.0000000'
Test #2:
score: 0
Accepted
time: 0ms
memory: 1600kb
input:
2 3 1 50 50 1 1 1 3
output:
6.000000
result:
ok found '6.0000000', expected '6.0000000', error '0.0000000'
Test #3:
score: 0
Accepted
time: 0ms
memory: 1636kb
input:
1 6 4 75 0 64 6
output:
1.341146
result:
ok found '1.3411460', expected '1.3411458', error '0.0000001'
Test #4:
score: 0
Accepted
time: 0ms
memory: 1664kb
input:
1 5 1 61 1 1 15 43
output:
2.208223
result:
ok found '2.2082230', expected '2.2082232', error '0.0000001'
Test #5:
score: 0
Accepted
time: 0ms
memory: 1640kb
input:
10 9 3 12 65 76 33 17 20 89 16 4 63 3 2 4 8 73 21
output:
942.414842
result:
ok found '942.4148420', expected '942.4148420', error '0.0000000'
Test #6:
score: 0
Accepted
time: 0ms
memory: 1592kb
input:
10 6 0 26 6 29 76 92 46 8 4 91 44 1 4 17 6
output:
401.866863
result:
ok found '401.8668630', expected '401.8668630', error '0.0000000'
Test #7:
score: 0
Accepted
time: 0ms
memory: 1692kb
input:
100 3 5 85 59 20 75 58 42 79 95 22 15 95 81 69 73 45 42 99 93 58 8 18 34 88 14 23 37 87 16 96 17 40 58 32 26 93 9 37 15 68 49 99 73 48 79 16 27 52 4 66 53 48 55 27 56 52 66 25 30 34 11 97 20 38 30 4 78 17 98 4 23 30 71 87 94 89 71 45 92 72 24 90 24 78 48 62 82 30 30 27 55 64 66 41 72 53 97 59 38 80 ...
output:
13395.855063
result:
ok found '13395.8550630', expected '13395.8550625', error '0.0000000'
Test #8:
score: 0
Accepted
time: 0ms
memory: 1712kb
input:
100 6 5 71 18 59 37 83 16 53 4 42 38 52 89 95 42 39 17 27 84 53 45 36 50 7 63 23 69 34 74 68 13 65 81 48 77 36 87 57 22 47 70 50 54 16 63 32 96 70 30 25 97 35 33 59 76 40 54 68 60 19 34 73 8 71 77 97 39 27 37 93 19 71 94 61 33 28 80 86 79 16 2 42 89 19 43 97 52 95 69 53 67 37 51 4 53 7 36 82 67 80 2...
output:
15012.983303
result:
ok found '15012.9833030', expected '15012.9833032', error '0.0000000'
Test #9:
score: 0
Accepted
time: 0ms
memory: 1684kb
input:
100 4 1 15 95 82 67 93 57 92 60 48 53 26 94 10 24 88 48 48 28 9 62 55 6 8 39 25 87 14 10 50 19 24 89 11 98 3 30 16 22 43 80 26 49 47 59 38 70 79 94 2 72 78 28 83 34 30 52 45 83 9 42 63 46 83 95 49 21 38 48 87 65 45 7 91 9 5 32 57 21 39 34 71 69 87 44 12 38 72 99 55 23 21 42 87 91 85 93 47 28 25 96 8...
output:
22457.801151
result:
ok found '22457.8011510', expected '22457.8011510', error '0.0000000'
Test #10:
score: 0
Accepted
time: 0ms
memory: 1672kb
input:
100 6 4 52 32 81 87 70 91 23 65 91 47 84 60 76 18 31 34 17 85 31 68 80 35 60 86 63 42 76 94 90 25 76 1 38 87 68 19 43 66 7 12 82 7 58 93 66 3 92 92 64 82 10 91 55 27 41 45 44 59 91 30 86 69 77 36 76 49 46 91 14 14 58 51 4 91 23 56 72 86 65 78 91 21 80 77 75 13 36 99 34 61 56 79 5 32 49 37 26 93 70 5...
output:
4276.804397
result:
ok found '4276.8043970', expected '4276.8043969', error '0.0000000'
Test #11:
score: 0
Accepted
time: 0ms
memory: 1648kb
input:
100 3 5 18 54 94 38 94 89 65 11 6 7 20 36 99 17 55 98 14 74 78 32 95 67 20 21 24 67 50 96 72 42 22 32 14 82 44 81 37 94 11 22 86 33 41 36 9 41 90 66 27 13 7 93 89 84 1 4 1 75 33 92 55 11 19 71 40 45 40 9 32 81 98 58 70 23 30 49 24 98 15 41 35 51 3 6 83 54 14 28 81 64 71 86 33 45 51 61 14 18 19 12 10...
output:
31638.976439
result:
ok found '31638.9764390', expected '31638.9764387', error '0.0000000'
Test #12:
score: 0
Accepted
time: 0ms
memory: 1676kb
input:
1000 8 3 67 7 89 71 35 18 39 60 12 76 58 9 78 97 89 71 55 25 3 12 36 52 55 20 51 25 25 1 30 49 23 63 54 52 17 81 89 64 47 92 20 98 96 12 53 21 85 75 55 5 25 20 63 43 28 65 11 97 42 64 23 91 40 87 61 98 36 48 24 40 6 20 17 7 28 75 89 52 22 78 96 97 62 85 54 73 10 37 93 49 14 72 27 71 91 77 38 84 70 3...
output:
262807.784739
result:
ok found '262807.7847390', expected '262807.7847388', error '0.0000000'
Test #13:
score: -100
Wrong Answer
time: 0ms
memory: 2212kb
input:
1000 6 3 73 3 44 64 34 50 44 97 16 2 63 94 50 41 12 70 14 12 86 83 73 36 92 47 66 54 68 52 17 92 38 5 22 47 96 67 3 21 9 35 45 77 51 80 54 12 13 95 59 41 53 49 77 23 40 19 60 74 99 93 51 51 2 22 6 46 34 29 28 68 92 20 37 93 88 69 7 30 62 79 55 30 56 36 62 89 70 47 28 78 28 15 59 43 63 59 29 67 45 86...
output:
452526.375365
result:
wrong answer 1st numbers differ - expected: '452525.4353649', found: '452526.3753650', error = '0.0000021'