oj.uz

Submission #770386

# Submission time Handle Problem Language Result Execution time Memory
770386 2023-07-01T06:42:25 Z Trisanu_Das Let's Win the Election (JOI22_ho_t3) C++17
100 / 100
 304 ms 2316 KB 
#include <bits/stdc++.h>
using namespace std;
#define a second
#define b first
 
int main() {
	ios_base::sync_with_stdio(0); cin.tie(0);
	int n, k; cin >> n >> k;
	vector<pair<int, int> > st(n);
	for (int i = 0; i < n; ++i) {
		cin >> st[i].a >> st[i].b;
		if (st[i].b == -1) st[i].b = 1'000'000'000;
	}
	sort(begin(st), end(st));
 
	double ans = 1e18;
	for (int x = 0; x < k + 1; x++) {
		vector< vector<double> > dp(n + 1, vector<double>(k - x + 1, 1e18));
		dp[0][0] = 0;
		for (int i = 0; i < n; ++i)
			for (int j = 0; j < k - x + 1; ++j) {
				if (j < k - x) dp[i + 1][j + 1] = min(dp[i + 1][j + 1], dp[i][j] + (double) st[i].a / (x + 1));
				dp[i + 1][j] = min(dp[i + 1][j], dp[i][j] + (i - j < x ? (double) st[i].b / (i - j + 1) : .0));
			}
		ans = min(ans, dp[n][k - x]);
	}
 
	cout << setprecision(9) << fixed << ans << '\n';
	return 0;
}

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 3 ms 524 KB Output is correct
6 Correct 15 ms 832 KB Output is correct
7 Correct 61 ms 1316 KB Output is correct
8 Correct 152 ms 2008 KB Output is correct
9 Correct 271 ms 2300 KB Output is correct
10 Correct 124 ms 1676 KB Output is correct

Subtask #2
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 3 ms 524 KB Output is correct
6 Correct 15 ms 832 KB Output is correct
7 Correct 61 ms 1316 KB Output is correct
8 Correct 152 ms 2008 KB Output is correct
9 Correct 271 ms 2300 KB Output is correct
10 Correct 124 ms 1676 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 22 ms 892 KB Output is correct
13 Correct 25 ms 1036 KB Output is correct
14 Correct 23 ms 916 KB Output is correct
15 Correct 125 ms 1700 KB Output is correct
16 Correct 128 ms 1704 KB Output is correct
17 Correct 126 ms 1716 KB Output is correct
18 Correct 293 ms 2308 KB Output is correct
19 Correct 272 ms 2312 KB Output is correct
20 Correct 278 ms 2308 KB Output is correct

Subtask #3
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 316 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 316 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 0 ms 212 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 0 ms 212 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 1 ms 212 KB Output is correct
15 Correct 0 ms 212 KB Output is correct

Subtask #4
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 316 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 316 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 0 ms 212 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 0 ms 212 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 1 ms 212 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 0 ms 212 KB Output is correct
17 Correct 0 ms 212 KB Output is correct
18 Correct 1 ms 320 KB Output is correct
19 Correct 0 ms 212 KB Output is correct
20 Correct 0 ms 316 KB Output is correct
21 Correct 1 ms 320 KB Output is correct
22 Correct 1 ms 212 KB Output is correct
23 Correct 1 ms 212 KB Output is correct
24 Correct 0 ms 212 KB Output is correct
25 Correct 0 ms 212 KB Output is correct
26 Correct 1 ms 212 KB Output is correct
27 Correct 1 ms 212 KB Output is correct
28 Correct 1 ms 212 KB Output is correct
29 Correct 1 ms 212 KB Output is correct
30 Correct 0 ms 320 KB Output is correct
31 Correct 0 ms 212 KB Output is correct
32 Correct 1 ms 316 KB Output is correct
33 Correct 1 ms 316 KB Output is correct
34 Correct 1 ms 212 KB Output is correct
35 Correct 1 ms 212 KB Output is correct
36 Correct 1 ms 212 KB Output is correct
37 Correct 0 ms 212 KB Output is correct
38 Correct 0 ms 212 KB Output is correct
39 Correct 1 ms 216 KB Output is correct
40 Correct 1 ms 316 KB Output is correct

Subtask #5
33.0 / 33.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 316 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 316 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 0 ms 212 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 0 ms 212 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 1 ms 212 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 0 ms 212 KB Output is correct
17 Correct 0 ms 212 KB Output is correct
18 Correct 1 ms 320 KB Output is correct
19 Correct 0 ms 212 KB Output is correct
20 Correct 0 ms 316 KB Output is correct
21 Correct 1 ms 320 KB Output is correct
22 Correct 1 ms 212 KB Output is correct
23 Correct 1 ms 212 KB Output is correct
24 Correct 0 ms 212 KB Output is correct
25 Correct 0 ms 212 KB Output is correct
26 Correct 1 ms 212 KB Output is correct
27 Correct 1 ms 212 KB Output is correct
28 Correct 1 ms 212 KB Output is correct
29 Correct 1 ms 212 KB Output is correct
30 Correct 0 ms 320 KB Output is correct
31 Correct 0 ms 212 KB Output is correct
32 Correct 1 ms 316 KB Output is correct
33 Correct 1 ms 316 KB Output is correct
34 Correct 1 ms 212 KB Output is correct
35 Correct 1 ms 212 KB Output is correct
36 Correct 1 ms 212 KB Output is correct
37 Correct 0 ms 212 KB Output is correct
38 Correct 0 ms 212 KB Output is correct
39 Correct 1 ms 216 KB Output is correct
40 Correct 1 ms 316 KB Output is correct
41 Correct 1 ms 212 KB Output is correct
42 Correct 1 ms 324 KB Output is correct
43 Correct 1 ms 340 KB Output is correct
44 Correct 1 ms 340 KB Output is correct
45 Correct 2 ms 340 KB Output is correct
46 Correct 1 ms 320 KB Output is correct
47 Correct 1 ms 340 KB Output is correct
48 Correct 1 ms 340 KB Output is correct
49 Correct 2 ms 340 KB Output is correct
50 Correct 2 ms 340 KB Output is correct
51 Correct 2 ms 468 KB Output is correct
52 Correct 2 ms 468 KB Output is correct
53 Correct 1 ms 340 KB Output is correct
54 Correct 1 ms 340 KB Output is correct
55 Correct 1 ms 340 KB Output is correct
56 Correct 2 ms 340 KB Output is correct
57 Correct 1 ms 324 KB Output is correct
58 Correct 1 ms 324 KB Output is correct
59 Correct 1 ms 340 KB Output is correct
60 Correct 2 ms 340 KB Output is correct

Subtask #6
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 272 ms 2296 KB Output is correct
2 Correct 278 ms 2316 KB Output is correct
3 Correct 273 ms 2316 KB Output is correct
4 Correct 272 ms 2308 KB Output is correct
5 Correct 271 ms 2308 KB Output is correct
6 Correct 304 ms 2308 KB Output is correct
7 Correct 279 ms 2296 KB Output is correct

Subtask #7
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 3 ms 524 KB Output is correct
6 Correct 15 ms 832 KB Output is correct
7 Correct 61 ms 1316 KB Output is correct
8 Correct 152 ms 2008 KB Output is correct
9 Correct 271 ms 2300 KB Output is correct
10 Correct 124 ms 1676 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 22 ms 892 KB Output is correct
13 Correct 25 ms 1036 KB Output is correct
14 Correct 23 ms 916 KB Output is correct
15 Correct 125 ms 1700 KB Output is correct
16 Correct 128 ms 1704 KB Output is correct
17 Correct 126 ms 1716 KB Output is correct
18 Correct 293 ms 2308 KB Output is correct
19 Correct 272 ms 2312 KB Output is correct
20 Correct 278 ms 2308 KB Output is correct
21 Correct 0 ms 316 KB Output is correct
22 Correct 1 ms 212 KB Output is correct
23 Correct 1 ms 212 KB Output is correct
24 Correct 0 ms 212 KB Output is correct
25 Correct 0 ms 316 KB Output is correct
26 Correct 0 ms 212 KB Output is correct
27 Correct 0 ms 212 KB Output is correct
28 Correct 0 ms 212 KB Output is correct
29 Correct 0 ms 212 KB Output is correct
30 Correct 0 ms 212 KB Output is correct
31 Correct 0 ms 212 KB Output is correct
32 Correct 0 ms 212 KB Output is correct
33 Correct 0 ms 212 KB Output is correct
34 Correct 1 ms 212 KB Output is correct
35 Correct 0 ms 212 KB Output is correct
36 Correct 0 ms 212 KB Output is correct
37 Correct 0 ms 212 KB Output is correct
38 Correct 1 ms 320 KB Output is correct
39 Correct 0 ms 212 KB Output is correct
40 Correct 0 ms 316 KB Output is correct
41 Correct 1 ms 320 KB Output is correct
42 Correct 1 ms 212 KB Output is correct
43 Correct 1 ms 212 KB Output is correct
44 Correct 0 ms 212 KB Output is correct
45 Correct 0 ms 212 KB Output is correct
46 Correct 1 ms 212 KB Output is correct
47 Correct 1 ms 212 KB Output is correct
48 Correct 1 ms 212 KB Output is correct
49 Correct 1 ms 212 KB Output is correct
50 Correct 0 ms 320 KB Output is correct
51 Correct 0 ms 212 KB Output is correct
52 Correct 1 ms 316 KB Output is correct
53 Correct 1 ms 316 KB Output is correct
54 Correct 1 ms 212 KB Output is correct
55 Correct 1 ms 212 KB Output is correct
56 Correct 1 ms 212 KB Output is correct
57 Correct 0 ms 212 KB Output is correct
58 Correct 0 ms 212 KB Output is correct
59 Correct 1 ms 216 KB Output is correct
60 Correct 1 ms 316 KB Output is correct
61 Correct 1 ms 212 KB Output is correct
62 Correct 1 ms 324 KB Output is correct
63 Correct 1 ms 340 KB Output is correct
64 Correct 1 ms 340 KB Output is correct
65 Correct 2 ms 340 KB Output is correct
66 Correct 1 ms 320 KB Output is correct
67 Correct 1 ms 340 KB Output is correct
68 Correct 1 ms 340 KB Output is correct
69 Correct 2 ms 340 KB Output is correct
70 Correct 2 ms 340 KB Output is correct
71 Correct 2 ms 468 KB Output is correct
72 Correct 2 ms 468 KB Output is correct
73 Correct 1 ms 340 KB Output is correct
74 Correct 1 ms 340 KB Output is correct
75 Correct 1 ms 340 KB Output is correct
76 Correct 2 ms 340 KB Output is correct
77 Correct 1 ms 324 KB Output is correct
78 Correct 1 ms 324 KB Output is correct
79 Correct 1 ms 340 KB Output is correct
80 Correct 2 ms 340 KB Output is correct
81 Correct 272 ms 2296 KB Output is correct
82 Correct 278 ms 2316 KB Output is correct
83 Correct 273 ms 2316 KB Output is correct
84 Correct 272 ms 2308 KB Output is correct
85 Correct 271 ms 2308 KB Output is correct
86 Correct 304 ms 2308 KB Output is correct
87 Correct 279 ms 2296 KB Output is correct
88 Correct 5 ms 524 KB Output is correct
89 Correct 3 ms 544 KB Output is correct
90 Correct 17 ms 1012 KB Output is correct
91 Correct 15 ms 840 KB Output is correct
92 Correct 62 ms 1316 KB Output is correct
93 Correct 61 ms 1324 KB Output is correct
94 Correct 153 ms 1792 KB Output is correct
95 Correct 146 ms 1816 KB Output is correct
96 Correct 214 ms 2112 KB Output is correct
97 Correct 254 ms 2100 KB Output is correct
98 Correct 128 ms 1700 KB Output is correct
99 Correct 125 ms 1732 KB Output is correct
100 Correct 125 ms 1716 KB Output is correct
101 Correct 127 ms 1732 KB Output is correct
102 Correct 129 ms 1720 KB Output is correct
103 Correct 124 ms 1716 KB Output is correct
104 Correct 131 ms 1700 KB Output is correct
105 Correct 125 ms 1728 KB Output is correct