oj.uz

Submission #825955

# Submission time Handle Problem Language Result Execution time Memory
825955 2023-08-15T09:31:26 Z vjudge1 Let's Win the Election (JOI22_ho_t3) C++17
100 / 100
 902 ms 396 KB 
#include<bits/stdc++.h>

using namespace std;

using ll = long long;
using ld = long double;

const ld INF = 1e18;

int main() {
    ios::sync_with_stdio(0);
    cin.tie(0);cout.tie(0);
    int n, k;
    cin >> n >> k;
    pair<ld, ld> c[n + 1];
    for(int i = 1; i <= n; i++) {
        cin >> c[i].first >> c[i].second;
        if(c[i].second == -1) c[i].second = INF;
    }
    sort(c + 1, c + n + 1, [](pair<ld, ld> x, pair<ld, ld> y){return x.second < y.second;});
    ld res = INF;
    for(int t = 0; t <= k; t++) {
        vector<ld> dp(k - t + 1, INF);
        dp[0] = 0;
        for(int i = 1; i <= n; i++) {
            vector<ld> newdp(k - t + 1, INF);
            for(int j = 0; j <= k - t; j++) {
                if(j) newdp[j] = min(newdp[j], dp[j - 1] + c[i].first / (t + 1));
                if(i - j <= t) newdp[j] = min(newdp[j], dp[j] + c[i].second / (i - j));
                else newdp[j] = min(newdp[j], dp[j]);
            }
            dp = newdp;
        }
        res = min(res, dp[k - t]);
    }
    cout << setprecision(9) << fixed << res;
}

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 316 KB Output is correct
5 Correct 9 ms 316 KB Output is correct
6 Correct 49 ms 340 KB Output is correct
7 Correct 194 ms 340 KB Output is correct
8 Correct 456 ms 348 KB Output is correct
9 Correct 825 ms 352 KB Output is correct
10 Correct 414 ms 340 KB Output is correct

Subtask #2
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 316 KB Output is correct
5 Correct 9 ms 316 KB Output is correct
6 Correct 49 ms 340 KB Output is correct
7 Correct 194 ms 340 KB Output is correct
8 Correct 456 ms 348 KB Output is correct
9 Correct 825 ms 352 KB Output is correct
10 Correct 414 ms 340 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 76 ms 328 KB Output is correct
13 Correct 71 ms 340 KB Output is correct
14 Correct 72 ms 340 KB Output is correct
15 Correct 385 ms 344 KB Output is correct
16 Correct 433 ms 344 KB Output is correct
17 Correct 398 ms 340 KB Output is correct
18 Correct 801 ms 344 KB Output is correct
19 Correct 848 ms 344 KB Output is correct
20 Correct 837 ms 344 KB Output is correct

Subtask #3
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 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 0 ms 212 KB Output is correct
6 Correct 1 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 1 ms 212 KB Output is correct
10 Correct 0 ms 212 KB Output is correct
11 Correct 1 ms 220 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 0 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 212 KB Output is correct
2 Correct 0 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 0 ms 212 KB Output is correct
6 Correct 1 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 1 ms 212 KB Output is correct
10 Correct 0 ms 212 KB Output is correct
11 Correct 1 ms 220 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 0 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 1 ms 212 KB Output is correct
18 Correct 1 ms 212 KB Output is correct
19 Correct 1 ms 212 KB Output is correct
20 Correct 0 ms 212 KB Output is correct
21 Correct 1 ms 212 KB Output is correct
22 Correct 0 ms 212 KB Output is correct
23 Correct 1 ms 212 KB Output is correct
24 Correct 1 ms 212 KB Output is correct
25 Correct 1 ms 340 KB Output is correct
26 Correct 1 ms 340 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 1 ms 212 KB Output is correct
31 Correct 1 ms 212 KB Output is correct
32 Correct 1 ms 340 KB Output is correct
33 Correct 1 ms 348 KB Output is correct
34 Correct 0 ms 212 KB Output is correct
35 Correct 1 ms 212 KB Output is correct
36 Correct 0 ms 212 KB Output is correct
37 Correct 0 ms 312 KB Output is correct
38 Correct 1 ms 320 KB Output is correct
39 Correct 1 ms 212 KB Output is correct
40 Correct 1 ms 212 KB Output is correct

Subtask #5
33.0 / 33.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 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 0 ms 212 KB Output is correct
6 Correct 1 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 1 ms 212 KB Output is correct
10 Correct 0 ms 212 KB Output is correct
11 Correct 1 ms 220 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 0 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 1 ms 212 KB Output is correct
18 Correct 1 ms 212 KB Output is correct
19 Correct 1 ms 212 KB Output is correct
20 Correct 0 ms 212 KB Output is correct
21 Correct 1 ms 212 KB Output is correct
22 Correct 0 ms 212 KB Output is correct
23 Correct 1 ms 212 KB Output is correct
24 Correct 1 ms 212 KB Output is correct
25 Correct 1 ms 340 KB Output is correct
26 Correct 1 ms 340 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 1 ms 212 KB Output is correct
31 Correct 1 ms 212 KB Output is correct
32 Correct 1 ms 340 KB Output is correct
33 Correct 1 ms 348 KB Output is correct
34 Correct 0 ms 212 KB Output is correct
35 Correct 1 ms 212 KB Output is correct
36 Correct 0 ms 212 KB Output is correct
37 Correct 0 ms 312 KB Output is correct
38 Correct 1 ms 320 KB Output is correct
39 Correct 1 ms 212 KB Output is correct
40 Correct 1 ms 212 KB Output is correct
41 Correct 1 ms 320 KB Output is correct
42 Correct 1 ms 212 KB Output is correct
43 Correct 2 ms 316 KB Output is correct
44 Correct 1 ms 316 KB Output is correct
45 Correct 3 ms 340 KB Output is correct
46 Correct 3 ms 340 KB Output is correct
47 Correct 4 ms 340 KB Output is correct
48 Correct 4 ms 340 KB Output is correct
49 Correct 5 ms 324 KB Output is correct
50 Correct 6 ms 320 KB Output is correct
51 Correct 9 ms 316 KB Output is correct
52 Correct 9 ms 340 KB Output is correct
53 Correct 3 ms 320 KB Output is correct
54 Correct 4 ms 340 KB Output is correct
55 Correct 5 ms 340 KB Output is correct
56 Correct 4 ms 340 KB Output is correct
57 Correct 3 ms 340 KB Output is correct
58 Correct 5 ms 340 KB Output is correct
59 Correct 4 ms 316 KB Output is correct
60 Correct 4 ms 312 KB Output is correct

Subtask #6
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 902 ms 344 KB Output is correct
2 Correct 898 ms 356 KB Output is correct
3 Correct 835 ms 396 KB Output is correct
4 Correct 884 ms 388 KB Output is correct
5 Correct 849 ms 344 KB Output is correct
6 Correct 870 ms 348 KB Output is correct
7 Correct 852 ms 348 KB Output is correct

Subtask #7
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 316 KB Output is correct
5 Correct 9 ms 316 KB Output is correct
6 Correct 49 ms 340 KB Output is correct
7 Correct 194 ms 340 KB Output is correct
8 Correct 456 ms 348 KB Output is correct
9 Correct 825 ms 352 KB Output is correct
10 Correct 414 ms 340 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 76 ms 328 KB Output is correct
13 Correct 71 ms 340 KB Output is correct
14 Correct 72 ms 340 KB Output is correct
15 Correct 385 ms 344 KB Output is correct
16 Correct 433 ms 344 KB Output is correct
17 Correct 398 ms 340 KB Output is correct
18 Correct 801 ms 344 KB Output is correct
19 Correct 848 ms 344 KB Output is correct
20 Correct 837 ms 344 KB Output is correct
21 Correct 0 ms 212 KB Output is correct
22 Correct 0 ms 212 KB Output is correct
23 Correct 0 ms 212 KB Output is correct
24 Correct 1 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 0 ms 212 KB Output is correct
28 Correct 0 ms 212 KB Output is correct
29 Correct 1 ms 212 KB Output is correct
30 Correct 0 ms 212 KB Output is correct
31 Correct 1 ms 220 KB Output is correct
32 Correct 1 ms 212 KB Output is correct
33 Correct 1 ms 212 KB Output is correct
34 Correct 0 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 1 ms 212 KB Output is correct
38 Correct 1 ms 212 KB Output is correct
39 Correct 1 ms 212 KB Output is correct
40 Correct 0 ms 212 KB Output is correct
41 Correct 1 ms 212 KB Output is correct
42 Correct 0 ms 212 KB Output is correct
43 Correct 1 ms 212 KB Output is correct
44 Correct 1 ms 212 KB Output is correct
45 Correct 1 ms 340 KB Output is correct
46 Correct 1 ms 340 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 1 ms 212 KB Output is correct
51 Correct 1 ms 212 KB Output is correct
52 Correct 1 ms 340 KB Output is correct
53 Correct 1 ms 348 KB Output is correct
54 Correct 0 ms 212 KB Output is correct
55 Correct 1 ms 212 KB Output is correct
56 Correct 0 ms 212 KB Output is correct
57 Correct 0 ms 312 KB Output is correct
58 Correct 1 ms 320 KB Output is correct
59 Correct 1 ms 212 KB Output is correct
60 Correct 1 ms 212 KB Output is correct
61 Correct 1 ms 320 KB Output is correct
62 Correct 1 ms 212 KB Output is correct
63 Correct 2 ms 316 KB Output is correct
64 Correct 1 ms 316 KB Output is correct
65 Correct 3 ms 340 KB Output is correct
66 Correct 3 ms 340 KB Output is correct
67 Correct 4 ms 340 KB Output is correct
68 Correct 4 ms 340 KB Output is correct
69 Correct 5 ms 324 KB Output is correct
70 Correct 6 ms 320 KB Output is correct
71 Correct 9 ms 316 KB Output is correct
72 Correct 9 ms 340 KB Output is correct
73 Correct 3 ms 320 KB Output is correct
74 Correct 4 ms 340 KB Output is correct
75 Correct 5 ms 340 KB Output is correct
76 Correct 4 ms 340 KB Output is correct
77 Correct 3 ms 340 KB Output is correct
78 Correct 5 ms 340 KB Output is correct
79 Correct 4 ms 316 KB Output is correct
80 Correct 4 ms 312 KB Output is correct
81 Correct 902 ms 344 KB Output is correct
82 Correct 898 ms 356 KB Output is correct
83 Correct 835 ms 396 KB Output is correct
84 Correct 884 ms 388 KB Output is correct
85 Correct 849 ms 344 KB Output is correct
86 Correct 870 ms 348 KB Output is correct
87 Correct 852 ms 348 KB Output is correct
88 Correct 11 ms 340 KB Output is correct
89 Correct 9 ms 340 KB Output is correct
90 Correct 52 ms 344 KB Output is correct
91 Correct 49 ms 372 KB Output is correct
92 Correct 196 ms 340 KB Output is correct
93 Correct 204 ms 340 KB Output is correct
94 Correct 456 ms 340 KB Output is correct
95 Correct 485 ms 340 KB Output is correct
96 Correct 645 ms 360 KB Output is correct
97 Correct 654 ms 344 KB Output is correct
98 Correct 414 ms 344 KB Output is correct
99 Correct 403 ms 344 KB Output is correct
100 Correct 399 ms 340 KB Output is correct
101 Correct 390 ms 364 KB Output is correct
102 Correct 398 ms 344 KB Output is correct
103 Correct 408 ms 340 KB Output is correct
104 Correct 407 ms 340 KB Output is correct
105 Correct 426 ms 340 KB Output is correct