oj.uz

Submission #900631

# Submission time Handle Problem Language Result Execution time Memory
900631 2024-01-08T17:37:55 Z LinkedArray Let's Win the Election (JOI22_ho_t3) C++17
100 / 100
 151 ms 2676 KB 
#include <bits/stdc++.h>
using namespace std;

using ll = long long;
#define pb push_back

const int MAX_N = 500;

pair<int, int> hours[MAX_N + 5];
double dp[MAX_N + 5][MAX_N + 5];

int main() {
    ios_base::sync_with_stdio(false);
    cin.tie(0);
	
	int n, k, i, j, v;
	double ans;
	
	cin >> n >> k;
	for (i = 1; i <= n; i++) {
		cin >> hours[i].first >> hours[i].second;
		if (hours[i].second == -1) { hours[i].second = INT_MAX; }
	}
	
	sort(hours + 1, hours + n + 1, [](pair<int, int> a, pair<int, int> b) {
		return (a.second < b.second);
	});
	
	ans = INT_MAX;
	for (v = 0; v <= k; v++) {
		for (i = 0; i <= n; i++) {
			for (j = 0; j <= n; j++) {
				dp[i][j] = INT_MAX;
			}
		}
		
		dp[0][0] = 0;
		for (i = 1; i <= n; i++) {
			for (j = 0; j < i; j++) {
				dp[i][j] = min(dp[i][j], dp[i - 1][j] + ((i - j - 1 < v) ? ( (double) hours[i].second / (i - j) ) : 0));
				dp[i][j + 1] = min(dp[i][j + 1], dp[i - 1][j] + (double) hours[i].first / (v + 1));
			}
		}
		
		ans = min(ans, dp[n][k - v]);
	}
	
	cout << fixed << setprecision(15) << ans;
    return 0;
}

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 468 KB Output is correct
5 Correct 12 ms 2648 KB Output is correct
6 Correct 29 ms 2396 KB Output is correct
7 Correct 59 ms 2396 KB Output is correct
8 Correct 97 ms 2420 KB Output is correct
9 Correct 127 ms 2424 KB Output is correct
10 Correct 86 ms 2392 KB Output is correct

Subtask #2
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 468 KB Output is correct
5 Correct 12 ms 2648 KB Output is correct
6 Correct 29 ms 2396 KB Output is correct
7 Correct 59 ms 2396 KB Output is correct
8 Correct 97 ms 2420 KB Output is correct
9 Correct 127 ms 2424 KB Output is correct
10 Correct 86 ms 2392 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 35 ms 2252 KB Output is correct
13 Correct 36 ms 2392 KB Output is correct
14 Correct 35 ms 2648 KB Output is correct
15 Correct 87 ms 2396 KB Output is correct
16 Correct 87 ms 2420 KB Output is correct
17 Correct 88 ms 2420 KB Output is correct
18 Correct 130 ms 2392 KB Output is correct
19 Correct 133 ms 2392 KB Output is correct
20 Correct 129 ms 2396 KB Output is correct

Subtask #3
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 344 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 460 KB Output is correct
13 Correct 1 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct

Subtask #4
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 344 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 460 KB Output is correct
13 Correct 1 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 0 ms 344 KB Output is correct
17 Correct 0 ms 600 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 1 ms 348 KB Output is correct
21 Correct 0 ms 460 KB Output is correct
22 Correct 0 ms 468 KB Output is correct
23 Correct 0 ms 348 KB Output is correct
24 Correct 0 ms 460 KB Output is correct
25 Correct 0 ms 348 KB Output is correct
26 Correct 1 ms 344 KB Output is correct
27 Correct 0 ms 348 KB Output is correct
28 Correct 0 ms 464 KB Output is correct
29 Correct 0 ms 348 KB Output is correct
30 Correct 0 ms 464 KB Output is correct
31 Correct 1 ms 348 KB Output is correct
32 Correct 0 ms 348 KB Output is correct
33 Correct 0 ms 348 KB Output is correct
34 Correct 0 ms 464 KB Output is correct
35 Correct 0 ms 348 KB Output is correct
36 Correct 1 ms 348 KB Output is correct
37 Correct 0 ms 348 KB Output is correct
38 Correct 1 ms 348 KB Output is correct
39 Correct 0 ms 348 KB Output is correct
40 Correct 0 ms 348 KB Output is correct

Subtask #5
33.0 / 33.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 344 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 460 KB Output is correct
13 Correct 1 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 0 ms 344 KB Output is correct
17 Correct 0 ms 600 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 1 ms 348 KB Output is correct
21 Correct 0 ms 460 KB Output is correct
22 Correct 0 ms 468 KB Output is correct
23 Correct 0 ms 348 KB Output is correct
24 Correct 0 ms 460 KB Output is correct
25 Correct 0 ms 348 KB Output is correct
26 Correct 1 ms 344 KB Output is correct
27 Correct 0 ms 348 KB Output is correct
28 Correct 0 ms 464 KB Output is correct
29 Correct 0 ms 348 KB Output is correct
30 Correct 0 ms 464 KB Output is correct
31 Correct 1 ms 348 KB Output is correct
32 Correct 0 ms 348 KB Output is correct
33 Correct 0 ms 348 KB Output is correct
34 Correct 0 ms 464 KB Output is correct
35 Correct 0 ms 348 KB Output is correct
36 Correct 1 ms 348 KB Output is correct
37 Correct 0 ms 348 KB Output is correct
38 Correct 1 ms 348 KB Output is correct
39 Correct 0 ms 348 KB Output is correct
40 Correct 0 ms 348 KB Output is correct
41 Correct 1 ms 860 KB Output is correct
42 Correct 1 ms 860 KB Output is correct
43 Correct 1 ms 1112 KB Output is correct
44 Correct 1 ms 860 KB Output is correct
45 Correct 1 ms 860 KB Output is correct
46 Correct 1 ms 860 KB Output is correct
47 Correct 1 ms 860 KB Output is correct
48 Correct 1 ms 616 KB Output is correct
49 Correct 2 ms 860 KB Output is correct
50 Correct 1 ms 860 KB Output is correct
51 Correct 2 ms 860 KB Output is correct
52 Correct 3 ms 860 KB Output is correct
53 Correct 1 ms 856 KB Output is correct
54 Correct 1 ms 860 KB Output is correct
55 Correct 1 ms 860 KB Output is correct
56 Correct 1 ms 1108 KB Output is correct
57 Correct 1 ms 860 KB Output is correct
58 Correct 1 ms 860 KB Output is correct
59 Correct 1 ms 860 KB Output is correct
60 Correct 1 ms 776 KB Output is correct

Subtask #6
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 151 ms 2396 KB Output is correct
2 Correct 129 ms 2420 KB Output is correct
3 Correct 127 ms 2392 KB Output is correct
4 Correct 128 ms 2396 KB Output is correct
5 Correct 130 ms 2392 KB Output is correct
6 Correct 128 ms 2396 KB Output is correct
7 Correct 129 ms 2420 KB Output is correct

Subtask #7
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 468 KB Output is correct
5 Correct 12 ms 2648 KB Output is correct
6 Correct 29 ms 2396 KB Output is correct
7 Correct 59 ms 2396 KB Output is correct
8 Correct 97 ms 2420 KB Output is correct
9 Correct 127 ms 2424 KB Output is correct
10 Correct 86 ms 2392 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 35 ms 2252 KB Output is correct
13 Correct 36 ms 2392 KB Output is correct
14 Correct 35 ms 2648 KB Output is correct
15 Correct 87 ms 2396 KB Output is correct
16 Correct 87 ms 2420 KB Output is correct
17 Correct 88 ms 2420 KB Output is correct
18 Correct 130 ms 2392 KB Output is correct
19 Correct 133 ms 2392 KB Output is correct
20 Correct 129 ms 2396 KB Output is correct
21 Correct 0 ms 348 KB Output is correct
22 Correct 0 ms 348 KB Output is correct
23 Correct 0 ms 348 KB Output is correct
24 Correct 1 ms 348 KB Output is correct
25 Correct 0 ms 348 KB Output is correct
26 Correct 0 ms 348 KB Output is correct
27 Correct 0 ms 348 KB Output is correct
28 Correct 0 ms 348 KB Output is correct
29 Correct 0 ms 348 KB Output is correct
30 Correct 0 ms 344 KB Output is correct
31 Correct 0 ms 348 KB Output is correct
32 Correct 0 ms 460 KB Output is correct
33 Correct 1 ms 348 KB Output is correct
34 Correct 0 ms 348 KB Output is correct
35 Correct 0 ms 348 KB Output is correct
36 Correct 0 ms 344 KB Output is correct
37 Correct 0 ms 600 KB Output is correct
38 Correct 0 ms 348 KB Output is correct
39 Correct 0 ms 348 KB Output is correct
40 Correct 1 ms 348 KB Output is correct
41 Correct 0 ms 460 KB Output is correct
42 Correct 0 ms 468 KB Output is correct
43 Correct 0 ms 348 KB Output is correct
44 Correct 0 ms 460 KB Output is correct
45 Correct 0 ms 348 KB Output is correct
46 Correct 1 ms 344 KB Output is correct
47 Correct 0 ms 348 KB Output is correct
48 Correct 0 ms 464 KB Output is correct
49 Correct 0 ms 348 KB Output is correct
50 Correct 0 ms 464 KB Output is correct
51 Correct 1 ms 348 KB Output is correct
52 Correct 0 ms 348 KB Output is correct
53 Correct 0 ms 348 KB Output is correct
54 Correct 0 ms 464 KB Output is correct
55 Correct 0 ms 348 KB Output is correct
56 Correct 1 ms 348 KB Output is correct
57 Correct 0 ms 348 KB Output is correct
58 Correct 1 ms 348 KB Output is correct
59 Correct 0 ms 348 KB Output is correct
60 Correct 0 ms 348 KB Output is correct
61 Correct 1 ms 860 KB Output is correct
62 Correct 1 ms 860 KB Output is correct
63 Correct 1 ms 1112 KB Output is correct
64 Correct 1 ms 860 KB Output is correct
65 Correct 1 ms 860 KB Output is correct
66 Correct 1 ms 860 KB Output is correct
67 Correct 1 ms 860 KB Output is correct
68 Correct 1 ms 616 KB Output is correct
69 Correct 2 ms 860 KB Output is correct
70 Correct 1 ms 860 KB Output is correct
71 Correct 2 ms 860 KB Output is correct
72 Correct 3 ms 860 KB Output is correct
73 Correct 1 ms 856 KB Output is correct
74 Correct 1 ms 860 KB Output is correct
75 Correct 1 ms 860 KB Output is correct
76 Correct 1 ms 1108 KB Output is correct
77 Correct 1 ms 860 KB Output is correct
78 Correct 1 ms 860 KB Output is correct
79 Correct 1 ms 860 KB Output is correct
80 Correct 1 ms 776 KB Output is correct
81 Correct 151 ms 2396 KB Output is correct
82 Correct 129 ms 2420 KB Output is correct
83 Correct 127 ms 2392 KB Output is correct
84 Correct 128 ms 2396 KB Output is correct
85 Correct 130 ms 2392 KB Output is correct
86 Correct 128 ms 2396 KB Output is correct
87 Correct 129 ms 2420 KB Output is correct
88 Correct 12 ms 2444 KB Output is correct
89 Correct 12 ms 2396 KB Output is correct
90 Correct 29 ms 2444 KB Output is correct
91 Correct 29 ms 2392 KB Output is correct
92 Correct 62 ms 2676 KB Output is correct
93 Correct 68 ms 2396 KB Output is correct
94 Correct 94 ms 2392 KB Output is correct
95 Correct 92 ms 2392 KB Output is correct
96 Correct 113 ms 2392 KB Output is correct
97 Correct 126 ms 2392 KB Output is correct
98 Correct 86 ms 2420 KB Output is correct
99 Correct 86 ms 2424 KB Output is correct
100 Correct 91 ms 2396 KB Output is correct
101 Correct 92 ms 2424 KB Output is correct
102 Correct 87 ms 2396 KB Output is correct
103 Correct 86 ms 2420 KB Output is correct
104 Correct 91 ms 2396 KB Output is correct
105 Correct 91 ms 2424 KB Output is correct