oj.uz

Submission #859147

# Submission time Handle Problem Language Result Execution time Memory
859147 2023-10-09T20:20:44 Z Brek Let's Win the Election (JOI22_ho_t3) C++14
100 / 100
 107 ms 596 KB 
#include <bits/stdc++.h>
using namespace std;

double dp[509];
pair<double, double> t[509];
double w = 1000000000000000000;
int n, k;

bool cmp(pair<double, double> a, pair<double, double> b){
	return a.second < b.second;
}

double wynik(int x){
	for(int i = 0; i <= n; i++){
		dp[i] = 1000000000000000000;
	}
	//vector<double>dp(k - x + 1, 1e9);
	dp[0] = 0;
	for(int i = 0; i < n; i++) {
		for(int j = min(i + 1, k - x); j >= 0; j--) {
			double popdp = dp[j];
			if(j > 0) {
				dp[j] = dp[j - 1] + t[i].first / (double)(x + 1);
			}
			else {
				dp[j] = 1e9;
			}
			if(0 < (i + 1) - j && (i + 1) - j <= x) {
				dp[j] = min(dp[j], popdp + t[i].second / (double)((i + 1) - j));
			}
			else {
				dp[j] = min(dp[j], popdp);
			}
		}
	}
	return dp[k - x];
}

int main(){
	ios_base::sync_with_stdio(0); cout.tie(0); cin.tie(0);
	
	cin>>n>>k;
	for(int i = 0; i < n; i++){
		cin>>t[i].first>>t[i].second;
		if(t[i].second == -1) t[i].second = 1000000000000000120;
	}
	sort(t, t + n, cmp);
	for(int i = 0; i <= k; i++){
		w = min(w, wynik(i));
	}
	cout<<fixed<<setprecision(9)<<w<<endl;
}

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 1 ms 544 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 2 ms 348 KB Output is correct
6 Correct 7 ms 348 KB Output is correct
7 Correct 27 ms 348 KB Output is correct
8 Correct 55 ms 348 KB Output is correct
9 Correct 103 ms 344 KB Output is correct
10 Correct 50 ms 348 KB Output is correct

Subtask #2
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 1 ms 544 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 2 ms 348 KB Output is correct
6 Correct 7 ms 348 KB Output is correct
7 Correct 27 ms 348 KB Output is correct
8 Correct 55 ms 348 KB Output is correct
9 Correct 103 ms 344 KB Output is correct
10 Correct 50 ms 348 KB Output is correct
11 Correct 0 ms 344 KB Output is correct
12 Correct 12 ms 348 KB Output is correct
13 Correct 10 ms 348 KB Output is correct
14 Correct 10 ms 348 KB Output is correct
15 Correct 49 ms 344 KB Output is correct
16 Correct 49 ms 348 KB Output is correct
17 Correct 49 ms 348 KB Output is correct
18 Correct 97 ms 348 KB Output is correct
19 Correct 97 ms 344 KB Output is correct
20 Correct 105 ms 348 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 0 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 1 ms 356 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 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 0 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 1 ms 356 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 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 348 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 0 ms 344 KB Output is correct
20 Correct 1 ms 348 KB Output is correct
21 Correct 0 ms 344 KB Output is correct
22 Correct 0 ms 348 KB Output is correct
23 Correct 1 ms 348 KB Output is correct
24 Correct 0 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 348 KB Output is correct
31 Correct 0 ms 348 KB Output is correct
32 Correct 1 ms 344 KB Output is correct
33 Correct 1 ms 344 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 348 KB Output is correct
37 Correct 1 ms 348 KB Output is correct
38 Correct 0 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 0 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 1 ms 356 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 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 348 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 0 ms 344 KB Output is correct
20 Correct 1 ms 348 KB Output is correct
21 Correct 0 ms 344 KB Output is correct
22 Correct 0 ms 348 KB Output is correct
23 Correct 1 ms 348 KB Output is correct
24 Correct 0 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 348 KB Output is correct
31 Correct 0 ms 348 KB Output is correct
32 Correct 1 ms 344 KB Output is correct
33 Correct 1 ms 344 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 348 KB Output is correct
37 Correct 1 ms 348 KB Output is correct
38 Correct 0 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 0 ms 348 KB Output is correct
42 Correct 0 ms 348 KB Output is correct
43 Correct 1 ms 348 KB Output is correct
44 Correct 0 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 348 KB Output is correct
51 Correct 2 ms 348 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 348 KB Output is correct
58 Correct 1 ms 348 KB Output is correct
59 Correct 1 ms 348 KB Output is correct
60 Correct 1 ms 348 KB Output is correct

Subtask #6
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 97 ms 348 KB Output is correct
2 Correct 98 ms 448 KB Output is correct
3 Correct 107 ms 440 KB Output is correct
4 Correct 97 ms 348 KB Output is correct
5 Correct 97 ms 344 KB Output is correct
6 Correct 97 ms 348 KB Output is correct
7 Correct 105 ms 444 KB Output is correct

Subtask #7
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 1 ms 544 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 2 ms 348 KB Output is correct
6 Correct 7 ms 348 KB Output is correct
7 Correct 27 ms 348 KB Output is correct
8 Correct 55 ms 348 KB Output is correct
9 Correct 103 ms 344 KB Output is correct
10 Correct 50 ms 348 KB Output is correct
11 Correct 0 ms 344 KB Output is correct
12 Correct 12 ms 348 KB Output is correct
13 Correct 10 ms 348 KB Output is correct
14 Correct 10 ms 348 KB Output is correct
15 Correct 49 ms 344 KB Output is correct
16 Correct 49 ms 348 KB Output is correct
17 Correct 49 ms 348 KB Output is correct
18 Correct 97 ms 348 KB Output is correct
19 Correct 97 ms 344 KB Output is correct
20 Correct 105 ms 348 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 0 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 1 ms 356 KB Output is correct
31 Correct 0 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 348 KB Output is correct
35 Correct 0 ms 348 KB Output is correct
36 Correct 0 ms 348 KB Output is correct
37 Correct 0 ms 348 KB Output is correct
38 Correct 0 ms 348 KB Output is correct
39 Correct 0 ms 344 KB Output is correct
40 Correct 1 ms 348 KB Output is correct
41 Correct 0 ms 344 KB Output is correct
42 Correct 0 ms 348 KB Output is correct
43 Correct 1 ms 348 KB Output is correct
44 Correct 0 ms 348 KB Output is correct
45 Correct 0 ms 348 KB Output is correct
46 Correct 0 ms 348 KB Output is correct
47 Correct 0 ms 348 KB Output is correct
48 Correct 0 ms 348 KB Output is correct
49 Correct 0 ms 348 KB Output is correct
50 Correct 0 ms 348 KB Output is correct
51 Correct 0 ms 348 KB Output is correct
52 Correct 1 ms 344 KB Output is correct
53 Correct 1 ms 344 KB Output is correct
54 Correct 0 ms 348 KB Output is correct
55 Correct 0 ms 348 KB Output is correct
56 Correct 0 ms 348 KB Output is correct
57 Correct 1 ms 348 KB Output is correct
58 Correct 0 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 0 ms 348 KB Output is correct
62 Correct 0 ms 348 KB Output is correct
63 Correct 1 ms 348 KB Output is correct
64 Correct 0 ms 348 KB Output is correct
65 Correct 1 ms 348 KB Output is correct
66 Correct 1 ms 348 KB Output is correct
67 Correct 1 ms 348 KB Output is correct
68 Correct 1 ms 348 KB Output is correct
69 Correct 1 ms 348 KB Output is correct
70 Correct 1 ms 348 KB Output is correct
71 Correct 2 ms 348 KB Output is correct
72 Correct 1 ms 348 KB Output is correct
73 Correct 1 ms 348 KB Output is correct
74 Correct 1 ms 348 KB Output is correct
75 Correct 1 ms 348 KB Output is correct
76 Correct 1 ms 348 KB Output is correct
77 Correct 1 ms 348 KB Output is correct
78 Correct 1 ms 348 KB Output is correct
79 Correct 1 ms 348 KB Output is correct
80 Correct 1 ms 348 KB Output is correct
81 Correct 97 ms 348 KB Output is correct
82 Correct 98 ms 448 KB Output is correct
83 Correct 107 ms 440 KB Output is correct
84 Correct 97 ms 348 KB Output is correct
85 Correct 97 ms 344 KB Output is correct
86 Correct 97 ms 348 KB Output is correct
87 Correct 105 ms 444 KB Output is correct
88 Correct 2 ms 348 KB Output is correct
89 Correct 2 ms 348 KB Output is correct
90 Correct 7 ms 348 KB Output is correct
91 Correct 7 ms 348 KB Output is correct
92 Correct 26 ms 468 KB Output is correct
93 Correct 25 ms 468 KB Output is correct
94 Correct 56 ms 348 KB Output is correct
95 Correct 58 ms 348 KB Output is correct
96 Correct 81 ms 596 KB Output is correct
97 Correct 79 ms 348 KB Output is correct
98 Correct 49 ms 348 KB Output is correct
99 Correct 49 ms 348 KB Output is correct
100 Correct 50 ms 348 KB Output is correct
101 Correct 49 ms 344 KB Output is correct
102 Correct 49 ms 344 KB Output is correct
103 Correct 49 ms 348 KB Output is correct
104 Correct 48 ms 348 KB Output is correct
105 Correct 49 ms 344 KB Output is correct