oj.uz

Submission #865375

# Submission time Handle Problem Language Result Execution time Memory
865375 2023-10-24T07:46:31 Z prairie2022 Let's Win the Election (JOI22_ho_t3) C++17
100 / 100
 444 ms 600 KB 
#include<bits/stdc++.h>
typedef long double ld;
#define fastio cin.tie(0), cout.tie(0), ios::sync_with_stdio(0);
using namespace std;

#define pii pair<int, int>
#define F first 
#define S second

int main(){
    fastio
    const int big = 5e5+1;
    int n, k, T = 0;
    cin >> n >> k;
    vector<pii> ba(n);
    for(int i=0; i<n; i++){
        cin >> ba[i].S >> ba[i].F;
        if(ba[i].F==-1){
            ba[i].F = big;
            T++;
        }
    }
    sort(ba.begin(), ba.end());
    //s[i] = min sum of k-i elements from [i, n)
    T = min(k, n-T);
    priority_queue<int, vector<int>, greater<int>> pq;
    vector<int> s(T+1);
    for(int i=T; i<n; i++) pq.push(ba[i].S);
    s[T] = 0;
    for(int i=0; i<k-T; i++){
        s[T] += pq.top();
        pq.pop();
    }
    for(int i=T-1; i>-1; i--){
        pq.push(ba[i].S);
        s[i] = s[i+1]+pq.top();
        pq.pop();
    }
    //dp by #collaborator
    ld ans = s[0];
    for(int t=1; t<=T; t++){
        vector<ld> dp(t+1, big);
        dp[0] = 0;
        for(int i=0; i<T; i++){
            if(dp[t]<big) dp[t] += ((ld)ba[i].S)/(t+1);
            for(int j=t-1; j>-1; j--){
                if(dp[j]==big) continue;
                dp[j+1] = min(dp[j+1], dp[j]+((ld)ba[i].F)/(j+1));
                dp[j] += ((ld)ba[i].S)/(t+1);
            }
            if(dp[t]<ans) ans = min(ans, dp[t]+((ld)s[i+1])/(t+1));
        }
    }
    cout << fixed << setprecision(6) << ans << '\n';
    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 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 344 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 1 ms 500 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 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 344 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 1 ms 500 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 11 ms 600 KB Output is correct
13 Correct 11 ms 484 KB Output is correct
14 Correct 4 ms 344 KB Output is correct
15 Correct 133 ms 480 KB Output is correct
16 Correct 80 ms 348 KB Output is correct
17 Correct 3 ms 348 KB Output is correct
18 Correct 389 ms 496 KB Output is correct
19 Correct 86 ms 348 KB Output is correct
20 Correct 3 ms 344 KB Output is correct

Subtask #3
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 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 344 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 344 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 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 344 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 344 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 344 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 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 452 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 0 ms 344 KB Output is correct
21 Correct 0 ms 344 KB Output is correct
22 Correct 1 ms 348 KB Output is correct
23 Correct 0 ms 348 KB Output is correct
24 Correct 0 ms 344 KB Output is correct
25 Correct 0 ms 344 KB Output is correct
26 Correct 0 ms 348 KB Output is correct
27 Correct 1 ms 348 KB Output is correct
28 Correct 0 ms 348 KB Output is correct
29 Correct 0 ms 352 KB Output is correct
30 Correct 0 ms 348 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 456 KB Output is correct
34 Correct 0 ms 352 KB Output is correct
35 Correct 0 ms 352 KB Output is correct
36 Correct 1 ms 352 KB Output is correct
37 Correct 0 ms 352 KB Output is correct
38 Correct 0 ms 352 KB Output is correct
39 Correct 0 ms 452 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 344 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 344 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 344 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 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 452 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 0 ms 344 KB Output is correct
21 Correct 0 ms 344 KB Output is correct
22 Correct 1 ms 348 KB Output is correct
23 Correct 0 ms 348 KB Output is correct
24 Correct 0 ms 344 KB Output is correct
25 Correct 0 ms 344 KB Output is correct
26 Correct 0 ms 348 KB Output is correct
27 Correct 1 ms 348 KB Output is correct
28 Correct 0 ms 348 KB Output is correct
29 Correct 0 ms 352 KB Output is correct
30 Correct 0 ms 348 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 456 KB Output is correct
34 Correct 0 ms 352 KB Output is correct
35 Correct 0 ms 352 KB Output is correct
36 Correct 1 ms 352 KB Output is correct
37 Correct 0 ms 352 KB Output is correct
38 Correct 0 ms 352 KB Output is correct
39 Correct 0 ms 452 KB Output is correct
40 Correct 0 ms 348 KB Output is correct
41 Correct 0 ms 456 KB Output is correct
42 Correct 1 ms 344 KB Output is correct
43 Correct 1 ms 348 KB Output is correct
44 Correct 0 ms 344 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 2 ms 344 KB Output is correct
50 Correct 2 ms 344 KB Output is correct
51 Correct 4 ms 348 KB Output is correct
52 Correct 2 ms 456 KB Output is correct
53 Correct 2 ms 348 KB Output is correct
54 Correct 2 ms 348 KB Output is correct
55 Correct 2 ms 484 KB Output is correct
56 Correct 1 ms 348 KB Output is correct
57 Correct 1 ms 348 KB Output is correct
58 Correct 2 ms 348 KB Output is correct
59 Correct 1 ms 600 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 393 ms 484 KB Output is correct
2 Correct 399 ms 592 KB Output is correct
3 Correct 418 ms 476 KB Output is correct
4 Correct 444 ms 596 KB Output is correct
5 Correct 414 ms 476 KB Output is correct
6 Correct 398 ms 476 KB Output is correct
7 Correct 392 ms 348 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 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 344 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 1 ms 500 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 11 ms 600 KB Output is correct
13 Correct 11 ms 484 KB Output is correct
14 Correct 4 ms 344 KB Output is correct
15 Correct 133 ms 480 KB Output is correct
16 Correct 80 ms 348 KB Output is correct
17 Correct 3 ms 348 KB Output is correct
18 Correct 389 ms 496 KB Output is correct
19 Correct 86 ms 348 KB Output is correct
20 Correct 3 ms 344 KB Output is correct
21 Correct 0 ms 344 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 344 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 344 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 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 452 KB Output is correct
39 Correct 0 ms 348 KB Output is correct
40 Correct 0 ms 344 KB Output is correct
41 Correct 0 ms 344 KB Output is correct
42 Correct 1 ms 348 KB Output is correct
43 Correct 0 ms 348 KB Output is correct
44 Correct 0 ms 344 KB Output is correct
45 Correct 0 ms 344 KB Output is correct
46 Correct 0 ms 348 KB Output is correct
47 Correct 1 ms 348 KB Output is correct
48 Correct 0 ms 348 KB Output is correct
49 Correct 0 ms 352 KB Output is correct
50 Correct 0 ms 348 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 456 KB Output is correct
54 Correct 0 ms 352 KB Output is correct
55 Correct 0 ms 352 KB Output is correct
56 Correct 1 ms 352 KB Output is correct
57 Correct 0 ms 352 KB Output is correct
58 Correct 0 ms 352 KB Output is correct
59 Correct 0 ms 452 KB Output is correct
60 Correct 0 ms 348 KB Output is correct
61 Correct 0 ms 456 KB Output is correct
62 Correct 1 ms 344 KB Output is correct
63 Correct 1 ms 348 KB Output is correct
64 Correct 0 ms 344 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 2 ms 344 KB Output is correct
70 Correct 2 ms 344 KB Output is correct
71 Correct 4 ms 348 KB Output is correct
72 Correct 2 ms 456 KB Output is correct
73 Correct 2 ms 348 KB Output is correct
74 Correct 2 ms 348 KB Output is correct
75 Correct 2 ms 484 KB Output is correct
76 Correct 1 ms 348 KB Output is correct
77 Correct 1 ms 348 KB Output is correct
78 Correct 2 ms 348 KB Output is correct
79 Correct 1 ms 600 KB Output is correct
80 Correct 1 ms 348 KB Output is correct
81 Correct 393 ms 484 KB Output is correct
82 Correct 399 ms 592 KB Output is correct
83 Correct 418 ms 476 KB Output is correct
84 Correct 444 ms 596 KB Output is correct
85 Correct 414 ms 476 KB Output is correct
86 Correct 398 ms 476 KB Output is correct
87 Correct 392 ms 348 KB Output is correct
88 Correct 2 ms 348 KB Output is correct
89 Correct 1 ms 348 KB Output is correct
90 Correct 11 ms 348 KB Output is correct
91 Correct 9 ms 536 KB Output is correct
92 Correct 51 ms 504 KB Output is correct
93 Correct 51 ms 468 KB Output is correct
94 Correct 181 ms 344 KB Output is correct
95 Correct 166 ms 492 KB Output is correct
96 Correct 321 ms 484 KB Output is correct
97 Correct 283 ms 476 KB Output is correct
98 Correct 145 ms 476 KB Output is correct
99 Correct 133 ms 344 KB Output is correct
100 Correct 132 ms 480 KB Output is correct
101 Correct 133 ms 472 KB Output is correct
102 Correct 139 ms 596 KB Output is correct
103 Correct 132 ms 484 KB Output is correct
104 Correct 134 ms 480 KB Output is correct
105 Correct 132 ms 348 KB Output is correct