#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef long double ld;
typedef pair<ll,ll> pl;
typedef pair<int,int> pii;
typedef tuple<int,int,int> tt;
#define all(a) a.begin(), a.end()
#define filter(a) a.erase(unique(all(a)), a.end())
const double INF = 1e9;
double dp[505][505];
struct P {
int norm, col;
P() : norm(0), col(0) {}
P (int a, int b) : norm(a), col(b) {}
friend istream& operator >> (istream &inp, P &cur) {
inp >> cur.norm >> cur.col;
return inp;
}
bool operator < (const P &o) const {
if (col == o.col || col == -1) return 0;
if (o.col == -1) return 1;
return col < o.col;
}
} a[505];
int main()
{
ios::sync_with_stdio(0);
cin.tie(0);
int n, k; cin >> n >> k;
for (int i = 1; i <= n; i++) cin >> a[i];
sort(a + 1, a + 1 + n);
for (int i = 0; i <= n; i++)
for (int j = 0; j <= k; j++)
dp[i][j] = INF;
double ans = INF;
for (int cntNorm = 0; cntNorm <= k; cntNorm++) {
int collab = k - cntNorm;
dp[0][0] = 0;
for (int i = 1; i <= n; i++) {
for (int j = 0; j <= min(i, cntNorm); j++) {
//dp[i][j] = dp[i - 1][j];
if (j && dp[i - 1][j - 1] != INF)
dp[i][j] = min(dp[i][j], dp[i - 1][j - 1] + double(a[i].norm) / double(collab + 1));
if (i - j <= collab && dp[i - 1][j] != INF && a[i].col != -1)
dp[i][j] = min(dp[i][j], dp[i - 1][j] + double(a[i].col) / double(i - j));
if (i - j > collab)
dp[i][j] = min(dp[i][j], dp[i - 1][j]);
}
}
//cout << cntNorm << " " << dp[n][cntNorm] << "\n";
ans = min(ans, dp[n][cntNorm]);
for (int i = 1; i <= n; i++)
for (int j = 0; j <= min(i, cntNorm); j++)
dp[i][j] = INF;
}
cout << fixed << setprecision(9) << ans;
return 0;
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
348 KB |
Output is correct |
2 |
Correct |
1 ms |
348 KB |
Output is correct |
3 |
Correct |
1 ms |
348 KB |
Output is correct |
4 |
Correct |
1 ms |
348 KB |
Output is correct |
5 |
Correct |
2 ms |
2396 KB |
Output is correct |
6 |
Correct |
8 ms |
2396 KB |
Output is correct |
7 |
Correct |
25 ms |
2392 KB |
Output is correct |
8 |
Correct |
51 ms |
2392 KB |
Output is correct |
9 |
Correct |
72 ms |
2392 KB |
Output is correct |
10 |
Correct |
43 ms |
2396 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
348 KB |
Output is correct |
2 |
Correct |
1 ms |
348 KB |
Output is correct |
3 |
Correct |
1 ms |
348 KB |
Output is correct |
4 |
Correct |
1 ms |
348 KB |
Output is correct |
5 |
Correct |
2 ms |
2396 KB |
Output is correct |
6 |
Correct |
8 ms |
2396 KB |
Output is correct |
7 |
Correct |
25 ms |
2392 KB |
Output is correct |
8 |
Correct |
51 ms |
2392 KB |
Output is correct |
9 |
Correct |
72 ms |
2392 KB |
Output is correct |
10 |
Correct |
43 ms |
2396 KB |
Output is correct |
11 |
Correct |
1 ms |
344 KB |
Output is correct |
12 |
Correct |
17 ms |
2404 KB |
Output is correct |
13 |
Correct |
17 ms |
2392 KB |
Output is correct |
14 |
Correct |
16 ms |
2392 KB |
Output is correct |
15 |
Correct |
73 ms |
2396 KB |
Output is correct |
16 |
Correct |
72 ms |
2392 KB |
Output is correct |
17 |
Correct |
57 ms |
2392 KB |
Output is correct |
18 |
Correct |
139 ms |
2428 KB |
Output is correct |
19 |
Correct |
137 ms |
2396 KB |
Output is correct |
20 |
Correct |
91 ms |
2396 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
344 KB |
Output is correct |
2 |
Correct |
1 ms |
348 KB |
Output is correct |
3 |
Correct |
1 ms |
348 KB |
Output is correct |
4 |
Correct |
1 ms |
348 KB |
Output is correct |
5 |
Correct |
1 ms |
348 KB |
Output is correct |
6 |
Correct |
1 ms |
348 KB |
Output is correct |
7 |
Correct |
1 ms |
348 KB |
Output is correct |
8 |
Correct |
1 ms |
348 KB |
Output is correct |
9 |
Correct |
1 ms |
348 KB |
Output is correct |
10 |
Correct |
1 ms |
348 KB |
Output is correct |
11 |
Correct |
1 ms |
348 KB |
Output is correct |
12 |
Correct |
1 ms |
348 KB |
Output is correct |
13 |
Correct |
1 ms |
348 KB |
Output is correct |
14 |
Correct |
1 ms |
348 KB |
Output is correct |
15 |
Correct |
1 ms |
348 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
344 KB |
Output is correct |
2 |
Correct |
1 ms |
348 KB |
Output is correct |
3 |
Correct |
1 ms |
348 KB |
Output is correct |
4 |
Correct |
1 ms |
348 KB |
Output is correct |
5 |
Correct |
1 ms |
348 KB |
Output is correct |
6 |
Correct |
1 ms |
348 KB |
Output is correct |
7 |
Correct |
1 ms |
348 KB |
Output is correct |
8 |
Correct |
1 ms |
348 KB |
Output is correct |
9 |
Correct |
1 ms |
348 KB |
Output is correct |
10 |
Correct |
1 ms |
348 KB |
Output is correct |
11 |
Correct |
1 ms |
348 KB |
Output is correct |
12 |
Correct |
1 ms |
348 KB |
Output is correct |
13 |
Correct |
1 ms |
348 KB |
Output is correct |
14 |
Correct |
1 ms |
348 KB |
Output is correct |
15 |
Correct |
1 ms |
348 KB |
Output is correct |
16 |
Correct |
1 ms |
344 KB |
Output is correct |
17 |
Correct |
1 ms |
348 KB |
Output is correct |
18 |
Correct |
1 ms |
472 KB |
Output is correct |
19 |
Correct |
1 ms |
348 KB |
Output is correct |
20 |
Correct |
1 ms |
348 KB |
Output is correct |
21 |
Correct |
1 ms |
348 KB |
Output is correct |
22 |
Correct |
1 ms |
464 KB |
Output is correct |
23 |
Correct |
1 ms |
344 KB |
Output is correct |
24 |
Correct |
1 ms |
348 KB |
Output is correct |
25 |
Correct |
1 ms |
348 KB |
Output is correct |
26 |
Correct |
1 ms |
348 KB |
Output is correct |
27 |
Correct |
1 ms |
348 KB |
Output is correct |
28 |
Correct |
1 ms |
348 KB |
Output is correct |
29 |
Correct |
1 ms |
348 KB |
Output is correct |
30 |
Correct |
1 ms |
344 KB |
Output is correct |
31 |
Correct |
1 ms |
344 KB |
Output is correct |
32 |
Correct |
1 ms |
348 KB |
Output is correct |
33 |
Correct |
1 ms |
348 KB |
Output is correct |
34 |
Correct |
1 ms |
348 KB |
Output is correct |
35 |
Correct |
1 ms |
348 KB |
Output is correct |
36 |
Correct |
1 ms |
348 KB |
Output is correct |
37 |
Correct |
1 ms |
592 KB |
Output is correct |
38 |
Correct |
1 ms |
344 KB |
Output is correct |
39 |
Correct |
1 ms |
348 KB |
Output is correct |
40 |
Correct |
1 ms |
344 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
344 KB |
Output is correct |
2 |
Correct |
1 ms |
348 KB |
Output is correct |
3 |
Correct |
1 ms |
348 KB |
Output is correct |
4 |
Correct |
1 ms |
348 KB |
Output is correct |
5 |
Correct |
1 ms |
348 KB |
Output is correct |
6 |
Correct |
1 ms |
348 KB |
Output is correct |
7 |
Correct |
1 ms |
348 KB |
Output is correct |
8 |
Correct |
1 ms |
348 KB |
Output is correct |
9 |
Correct |
1 ms |
348 KB |
Output is correct |
10 |
Correct |
1 ms |
348 KB |
Output is correct |
11 |
Correct |
1 ms |
348 KB |
Output is correct |
12 |
Correct |
1 ms |
348 KB |
Output is correct |
13 |
Correct |
1 ms |
348 KB |
Output is correct |
14 |
Correct |
1 ms |
348 KB |
Output is correct |
15 |
Correct |
1 ms |
348 KB |
Output is correct |
16 |
Correct |
1 ms |
344 KB |
Output is correct |
17 |
Correct |
1 ms |
348 KB |
Output is correct |
18 |
Correct |
1 ms |
472 KB |
Output is correct |
19 |
Correct |
1 ms |
348 KB |
Output is correct |
20 |
Correct |
1 ms |
348 KB |
Output is correct |
21 |
Correct |
1 ms |
348 KB |
Output is correct |
22 |
Correct |
1 ms |
464 KB |
Output is correct |
23 |
Correct |
1 ms |
344 KB |
Output is correct |
24 |
Correct |
1 ms |
348 KB |
Output is correct |
25 |
Correct |
1 ms |
348 KB |
Output is correct |
26 |
Correct |
1 ms |
348 KB |
Output is correct |
27 |
Correct |
1 ms |
348 KB |
Output is correct |
28 |
Correct |
1 ms |
348 KB |
Output is correct |
29 |
Correct |
1 ms |
348 KB |
Output is correct |
30 |
Correct |
1 ms |
344 KB |
Output is correct |
31 |
Correct |
1 ms |
344 KB |
Output is correct |
32 |
Correct |
1 ms |
348 KB |
Output is correct |
33 |
Correct |
1 ms |
348 KB |
Output is correct |
34 |
Correct |
1 ms |
348 KB |
Output is correct |
35 |
Correct |
1 ms |
348 KB |
Output is correct |
36 |
Correct |
1 ms |
348 KB |
Output is correct |
37 |
Correct |
1 ms |
592 KB |
Output is correct |
38 |
Correct |
1 ms |
344 KB |
Output is correct |
39 |
Correct |
1 ms |
348 KB |
Output is correct |
40 |
Correct |
1 ms |
344 KB |
Output is correct |
41 |
Correct |
1 ms |
860 KB |
Output is correct |
42 |
Correct |
1 ms |
600 KB |
Output is correct |
43 |
Correct |
1 ms |
860 KB |
Output is correct |
44 |
Correct |
1 ms |
860 KB |
Output is correct |
45 |
Correct |
1 ms |
856 KB |
Output is correct |
46 |
Correct |
1 ms |
860 KB |
Output is correct |
47 |
Correct |
2 ms |
860 KB |
Output is correct |
48 |
Correct |
2 ms |
860 KB |
Output is correct |
49 |
Correct |
2 ms |
860 KB |
Output is correct |
50 |
Correct |
2 ms |
856 KB |
Output is correct |
51 |
Correct |
2 ms |
860 KB |
Output is correct |
52 |
Correct |
2 ms |
860 KB |
Output is correct |
53 |
Correct |
1 ms |
860 KB |
Output is correct |
54 |
Correct |
2 ms |
860 KB |
Output is correct |
55 |
Correct |
1 ms |
860 KB |
Output is correct |
56 |
Correct |
1 ms |
860 KB |
Output is correct |
57 |
Correct |
1 ms |
856 KB |
Output is correct |
58 |
Correct |
1 ms |
856 KB |
Output is correct |
59 |
Correct |
1 ms |
860 KB |
Output is correct |
60 |
Correct |
1 ms |
860 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
134 ms |
2420 KB |
Output is correct |
2 |
Correct |
137 ms |
2396 KB |
Output is correct |
3 |
Correct |
132 ms |
2424 KB |
Output is correct |
4 |
Correct |
142 ms |
2424 KB |
Output is correct |
5 |
Correct |
144 ms |
2392 KB |
Output is correct |
6 |
Correct |
135 ms |
2392 KB |
Output is correct |
7 |
Correct |
140 ms |
2640 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
348 KB |
Output is correct |
2 |
Correct |
1 ms |
348 KB |
Output is correct |
3 |
Correct |
1 ms |
348 KB |
Output is correct |
4 |
Correct |
1 ms |
348 KB |
Output is correct |
5 |
Correct |
2 ms |
2396 KB |
Output is correct |
6 |
Correct |
8 ms |
2396 KB |
Output is correct |
7 |
Correct |
25 ms |
2392 KB |
Output is correct |
8 |
Correct |
51 ms |
2392 KB |
Output is correct |
9 |
Correct |
72 ms |
2392 KB |
Output is correct |
10 |
Correct |
43 ms |
2396 KB |
Output is correct |
11 |
Correct |
1 ms |
344 KB |
Output is correct |
12 |
Correct |
17 ms |
2404 KB |
Output is correct |
13 |
Correct |
17 ms |
2392 KB |
Output is correct |
14 |
Correct |
16 ms |
2392 KB |
Output is correct |
15 |
Correct |
73 ms |
2396 KB |
Output is correct |
16 |
Correct |
72 ms |
2392 KB |
Output is correct |
17 |
Correct |
57 ms |
2392 KB |
Output is correct |
18 |
Correct |
139 ms |
2428 KB |
Output is correct |
19 |
Correct |
137 ms |
2396 KB |
Output is correct |
20 |
Correct |
91 ms |
2396 KB |
Output is correct |
21 |
Correct |
1 ms |
344 KB |
Output is correct |
22 |
Correct |
1 ms |
348 KB |
Output is correct |
23 |
Correct |
1 ms |
348 KB |
Output is correct |
24 |
Correct |
1 ms |
348 KB |
Output is correct |
25 |
Correct |
1 ms |
348 KB |
Output is correct |
26 |
Correct |
1 ms |
348 KB |
Output is correct |
27 |
Correct |
1 ms |
348 KB |
Output is correct |
28 |
Correct |
1 ms |
348 KB |
Output is correct |
29 |
Correct |
1 ms |
348 KB |
Output is correct |
30 |
Correct |
1 ms |
348 KB |
Output is correct |
31 |
Correct |
1 ms |
348 KB |
Output is correct |
32 |
Correct |
1 ms |
348 KB |
Output is correct |
33 |
Correct |
1 ms |
348 KB |
Output is correct |
34 |
Correct |
1 ms |
348 KB |
Output is correct |
35 |
Correct |
1 ms |
348 KB |
Output is correct |
36 |
Correct |
1 ms |
344 KB |
Output is correct |
37 |
Correct |
1 ms |
348 KB |
Output is correct |
38 |
Correct |
1 ms |
472 KB |
Output is correct |
39 |
Correct |
1 ms |
348 KB |
Output is correct |
40 |
Correct |
1 ms |
348 KB |
Output is correct |
41 |
Correct |
1 ms |
348 KB |
Output is correct |
42 |
Correct |
1 ms |
464 KB |
Output is correct |
43 |
Correct |
1 ms |
344 KB |
Output is correct |
44 |
Correct |
1 ms |
348 KB |
Output is correct |
45 |
Correct |
1 ms |
348 KB |
Output is correct |
46 |
Correct |
1 ms |
348 KB |
Output is correct |
47 |
Correct |
1 ms |
348 KB |
Output is correct |
48 |
Correct |
1 ms |
348 KB |
Output is correct |
49 |
Correct |
1 ms |
348 KB |
Output is correct |
50 |
Correct |
1 ms |
344 KB |
Output is correct |
51 |
Correct |
1 ms |
344 KB |
Output is correct |
52 |
Correct |
1 ms |
348 KB |
Output is correct |
53 |
Correct |
1 ms |
348 KB |
Output is correct |
54 |
Correct |
1 ms |
348 KB |
Output is correct |
55 |
Correct |
1 ms |
348 KB |
Output is correct |
56 |
Correct |
1 ms |
348 KB |
Output is correct |
57 |
Correct |
1 ms |
592 KB |
Output is correct |
58 |
Correct |
1 ms |
344 KB |
Output is correct |
59 |
Correct |
1 ms |
348 KB |
Output is correct |
60 |
Correct |
1 ms |
344 KB |
Output is correct |
61 |
Correct |
1 ms |
860 KB |
Output is correct |
62 |
Correct |
1 ms |
600 KB |
Output is correct |
63 |
Correct |
1 ms |
860 KB |
Output is correct |
64 |
Correct |
1 ms |
860 KB |
Output is correct |
65 |
Correct |
1 ms |
856 KB |
Output is correct |
66 |
Correct |
1 ms |
860 KB |
Output is correct |
67 |
Correct |
2 ms |
860 KB |
Output is correct |
68 |
Correct |
2 ms |
860 KB |
Output is correct |
69 |
Correct |
2 ms |
860 KB |
Output is correct |
70 |
Correct |
2 ms |
856 KB |
Output is correct |
71 |
Correct |
2 ms |
860 KB |
Output is correct |
72 |
Correct |
2 ms |
860 KB |
Output is correct |
73 |
Correct |
1 ms |
860 KB |
Output is correct |
74 |
Correct |
2 ms |
860 KB |
Output is correct |
75 |
Correct |
1 ms |
860 KB |
Output is correct |
76 |
Correct |
1 ms |
860 KB |
Output is correct |
77 |
Correct |
1 ms |
856 KB |
Output is correct |
78 |
Correct |
1 ms |
856 KB |
Output is correct |
79 |
Correct |
1 ms |
860 KB |
Output is correct |
80 |
Correct |
1 ms |
860 KB |
Output is correct |
81 |
Correct |
134 ms |
2420 KB |
Output is correct |
82 |
Correct |
137 ms |
2396 KB |
Output is correct |
83 |
Correct |
132 ms |
2424 KB |
Output is correct |
84 |
Correct |
142 ms |
2424 KB |
Output is correct |
85 |
Correct |
144 ms |
2392 KB |
Output is correct |
86 |
Correct |
135 ms |
2392 KB |
Output is correct |
87 |
Correct |
140 ms |
2640 KB |
Output is correct |
88 |
Correct |
4 ms |
2256 KB |
Output is correct |
89 |
Correct |
4 ms |
2396 KB |
Output is correct |
90 |
Correct |
12 ms |
2448 KB |
Output is correct |
91 |
Correct |
12 ms |
2392 KB |
Output is correct |
92 |
Correct |
41 ms |
2424 KB |
Output is correct |
93 |
Correct |
48 ms |
2432 KB |
Output is correct |
94 |
Correct |
82 ms |
2396 KB |
Output is correct |
95 |
Correct |
82 ms |
2392 KB |
Output is correct |
96 |
Correct |
113 ms |
2424 KB |
Output is correct |
97 |
Correct |
111 ms |
2396 KB |
Output is correct |
98 |
Correct |
73 ms |
2396 KB |
Output is correct |
99 |
Correct |
73 ms |
2396 KB |
Output is correct |
100 |
Correct |
74 ms |
2424 KB |
Output is correct |
101 |
Correct |
76 ms |
2396 KB |
Output is correct |
102 |
Correct |
72 ms |
2396 KB |
Output is correct |
103 |
Correct |
74 ms |
2396 KB |
Output is correct |
104 |
Correct |
72 ms |
2396 KB |
Output is correct |
105 |
Correct |
72 ms |
2396 KB |
Output is correct |