oj.uz

Submission #824358

# Submission time Handle Problem Language Result Execution time Memory
824358 2023-08-14T04:09:51 Z PoonYaPat Let's Win the Election (JOI22_ho_t3) C++14
100 / 100
 1400 ms 4428 KB 
#include <bits/stdc++.h>
using namespace std;
typedef long double ld;
typedef pair<ld,ld> pii;

int n,k;
ld ans=1e9,a[505],b[505],dp[505][505],ss[505];
vector<pii> v;

void check(ld want) {
    for (int i=0; i<=n; ++i) for (int j=0; j<=n; ++j) dp[i][j]=1e9;
    dp[0][0]=0;

    for (int i=0; i<=k; ++i) {
        if (i) {
            for (int j=0; j<=want; ++j) {
                if (j!=0 && b[i]!=1e9) dp[i][j]=min(dp[i][j],dp[i-1][j-1]+b[i]/j); //choose B
                if (j!=want) dp[i][j]=min(dp[i][j],dp[i-1][j]+a[i]/(want+1)); //choose A
            }
        }

        if (dp[i][(int)(want)]<1000000) ans=min(ans,dp[i][(int)(want)]+ss[i]/(want+1));
    }
}

int main() {
    ios_base::sync_with_stdio(0); cin.tie(0);
    cin>>n>>k;
    for (int i=0; i<n; ++i) {
        ld a,b; cin>>a>>b;
        if (b!=-1) v.push_back(pii(b,a));
        else v.push_back(pii(1e9,a));
    }
    sort(v.begin(),v.end());
    for (int i=1; i<=n; ++i) a[i]=v[i-1].second, b[i]=v[i-1].first;
    for (int i=0; i<=k; ++i) {
        ld sum=0;
        priority_queue<ld> q;
        for (int j=i+1; j<=n; ++j) {
            q.push(a[j]);
            sum+=a[j];
            if (q.size()>k-i) {
                sum-=q.top();
                q.pop();
            }
        }
        ss[i]=sum;
    }
    for (int i=0; i<=k; ++i) check(i);
    cout<<setprecision(15)<<ans;
}

Compilation message

Main.cpp: In function 'int main()':
Main.cpp:42:25: warning: comparison of integer expressions of different signedness: 'std::priority_queue<long double>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   42 |             if (q.size()>k-i) {
      |                 ~~~~~~~~^~~~

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 340 KB Output is correct
2 Correct 0 ms 340 KB Output is correct
3 Correct 0 ms 340 KB Output is correct
4 Correct 0 ms 340 KB Output is correct
5 Correct 55 ms 4328 KB Output is correct
6 Correct 139 ms 4324 KB Output is correct
7 Correct 327 ms 4328 KB Output is correct
8 Correct 630 ms 4340 KB Output is correct
9 Correct 1057 ms 4336 KB Output is correct
10 Correct 551 ms 4340 KB Output is correct

Subtask #2
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 340 KB Output is correct
2 Correct 0 ms 340 KB Output is correct
3 Correct 0 ms 340 KB Output is correct
4 Correct 0 ms 340 KB Output is correct
5 Correct 55 ms 4328 KB Output is correct
6 Correct 139 ms 4324 KB Output is correct
7 Correct 327 ms 4328 KB Output is correct
8 Correct 630 ms 4340 KB Output is correct
9 Correct 1057 ms 4336 KB Output is correct
10 Correct 551 ms 4340 KB Output is correct
11 Correct 0 ms 340 KB Output is correct
12 Correct 180 ms 4328 KB Output is correct
13 Correct 180 ms 4308 KB Output is correct
14 Correct 179 ms 4328 KB Output is correct
15 Correct 649 ms 4336 KB Output is correct
16 Correct 642 ms 4336 KB Output is correct
17 Correct 576 ms 4352 KB Output is correct
18 Correct 1367 ms 4336 KB Output is correct
19 Correct 1246 ms 4336 KB Output is correct
20 Correct 1137 ms 4428 KB Output is correct

Subtask #3
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 340 KB Output is correct
2 Correct 0 ms 340 KB Output is correct
3 Correct 0 ms 340 KB Output is correct
4 Correct 0 ms 340 KB Output is correct
5 Correct 0 ms 340 KB Output is correct
6 Correct 0 ms 340 KB Output is correct
7 Correct 0 ms 340 KB Output is correct
8 Correct 0 ms 340 KB Output is correct
9 Correct 0 ms 340 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 0 ms 340 KB Output is correct
12 Correct 1 ms 340 KB Output is correct
13 Correct 0 ms 340 KB Output is correct
14 Correct 0 ms 340 KB Output is correct
15 Correct 0 ms 340 KB Output is correct

Subtask #4
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 340 KB Output is correct
2 Correct 0 ms 340 KB Output is correct
3 Correct 0 ms 340 KB Output is correct
4 Correct 0 ms 340 KB Output is correct
5 Correct 0 ms 340 KB Output is correct
6 Correct 0 ms 340 KB Output is correct
7 Correct 0 ms 340 KB Output is correct
8 Correct 0 ms 340 KB Output is correct
9 Correct 0 ms 340 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 0 ms 340 KB Output is correct
12 Correct 1 ms 340 KB Output is correct
13 Correct 0 ms 340 KB Output is correct
14 Correct 0 ms 340 KB Output is correct
15 Correct 0 ms 340 KB Output is correct
16 Correct 0 ms 340 KB Output is correct
17 Correct 0 ms 340 KB Output is correct
18 Correct 0 ms 340 KB Output is correct
19 Correct 0 ms 340 KB Output is correct
20 Correct 0 ms 340 KB Output is correct
21 Correct 0 ms 340 KB Output is correct
22 Correct 0 ms 340 KB Output is correct
23 Correct 0 ms 340 KB Output is correct
24 Correct 0 ms 340 KB Output is correct
25 Correct 0 ms 340 KB Output is correct
26 Correct 1 ms 340 KB Output is correct
27 Correct 0 ms 340 KB Output is correct
28 Correct 0 ms 340 KB Output is correct
29 Correct 1 ms 340 KB Output is correct
30 Correct 0 ms 340 KB Output is correct
31 Correct 0 ms 340 KB Output is correct
32 Correct 0 ms 340 KB Output is correct
33 Correct 0 ms 340 KB Output is correct
34 Correct 0 ms 340 KB Output is correct
35 Correct 0 ms 340 KB Output is correct
36 Correct 0 ms 340 KB Output is correct
37 Correct 0 ms 340 KB Output is correct
38 Correct 0 ms 340 KB Output is correct
39 Correct 0 ms 340 KB Output is correct
40 Correct 0 ms 340 KB Output is correct

Subtask #5
33.0 / 33.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 340 KB Output is correct
2 Correct 0 ms 340 KB Output is correct
3 Correct 0 ms 340 KB Output is correct
4 Correct 0 ms 340 KB Output is correct
5 Correct 0 ms 340 KB Output is correct
6 Correct 0 ms 340 KB Output is correct
7 Correct 0 ms 340 KB Output is correct
8 Correct 0 ms 340 KB Output is correct
9 Correct 0 ms 340 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 0 ms 340 KB Output is correct
12 Correct 1 ms 340 KB Output is correct
13 Correct 0 ms 340 KB Output is correct
14 Correct 0 ms 340 KB Output is correct
15 Correct 0 ms 340 KB Output is correct
16 Correct 0 ms 340 KB Output is correct
17 Correct 0 ms 340 KB Output is correct
18 Correct 0 ms 340 KB Output is correct
19 Correct 0 ms 340 KB Output is correct
20 Correct 0 ms 340 KB Output is correct
21 Correct 0 ms 340 KB Output is correct
22 Correct 0 ms 340 KB Output is correct
23 Correct 0 ms 340 KB Output is correct
24 Correct 0 ms 340 KB Output is correct
25 Correct 0 ms 340 KB Output is correct
26 Correct 1 ms 340 KB Output is correct
27 Correct 0 ms 340 KB Output is correct
28 Correct 0 ms 340 KB Output is correct
29 Correct 1 ms 340 KB Output is correct
30 Correct 0 ms 340 KB Output is correct
31 Correct 0 ms 340 KB Output is correct
32 Correct 0 ms 340 KB Output is correct
33 Correct 0 ms 340 KB Output is correct
34 Correct 0 ms 340 KB Output is correct
35 Correct 0 ms 340 KB Output is correct
36 Correct 0 ms 340 KB Output is correct
37 Correct 0 ms 340 KB Output is correct
38 Correct 0 ms 340 KB Output is correct
39 Correct 0 ms 340 KB Output is correct
40 Correct 0 ms 340 KB Output is correct
41 Correct 1 ms 852 KB Output is correct
42 Correct 1 ms 852 KB Output is correct
43 Correct 2 ms 852 KB Output is correct
44 Correct 2 ms 852 KB Output is correct
45 Correct 4 ms 852 KB Output is correct
46 Correct 4 ms 928 KB Output is correct
47 Correct 5 ms 852 KB Output is correct
48 Correct 5 ms 852 KB Output is correct
49 Correct 8 ms 852 KB Output is correct
50 Correct 8 ms 932 KB Output is correct
51 Correct 12 ms 936 KB Output is correct
52 Correct 11 ms 936 KB Output is correct
53 Correct 6 ms 928 KB Output is correct
54 Correct 5 ms 936 KB Output is correct
55 Correct 5 ms 852 KB Output is correct
56 Correct 5 ms 864 KB Output is correct
57 Correct 5 ms 852 KB Output is correct
58 Correct 5 ms 852 KB Output is correct
59 Correct 5 ms 852 KB Output is correct
60 Correct 5 ms 852 KB Output is correct

Subtask #6
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 1370 ms 4336 KB Output is correct
2 Correct 1370 ms 4344 KB Output is correct
3 Correct 1370 ms 4344 KB Output is correct
4 Correct 1373 ms 4340 KB Output is correct
5 Correct 1361 ms 4348 KB Output is correct
6 Correct 1356 ms 4340 KB Output is correct
7 Correct 1400 ms 4340 KB Output is correct

Subtask #7
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 340 KB Output is correct
2 Correct 0 ms 340 KB Output is correct
3 Correct 0 ms 340 KB Output is correct
4 Correct 0 ms 340 KB Output is correct
5 Correct 55 ms 4328 KB Output is correct
6 Correct 139 ms 4324 KB Output is correct
7 Correct 327 ms 4328 KB Output is correct
8 Correct 630 ms 4340 KB Output is correct
9 Correct 1057 ms 4336 KB Output is correct
10 Correct 551 ms 4340 KB Output is correct
11 Correct 0 ms 340 KB Output is correct
12 Correct 180 ms 4328 KB Output is correct
13 Correct 180 ms 4308 KB Output is correct
14 Correct 179 ms 4328 KB Output is correct
15 Correct 649 ms 4336 KB Output is correct
16 Correct 642 ms 4336 KB Output is correct
17 Correct 576 ms 4352 KB Output is correct
18 Correct 1367 ms 4336 KB Output is correct
19 Correct 1246 ms 4336 KB Output is correct
20 Correct 1137 ms 4428 KB Output is correct
21 Correct 0 ms 340 KB Output is correct
22 Correct 0 ms 340 KB Output is correct
23 Correct 0 ms 340 KB Output is correct
24 Correct 0 ms 340 KB Output is correct
25 Correct 0 ms 340 KB Output is correct
26 Correct 0 ms 340 KB Output is correct
27 Correct 0 ms 340 KB Output is correct
28 Correct 0 ms 340 KB Output is correct
29 Correct 0 ms 340 KB Output is correct
30 Correct 1 ms 340 KB Output is correct
31 Correct 0 ms 340 KB Output is correct
32 Correct 1 ms 340 KB Output is correct
33 Correct 0 ms 340 KB Output is correct
34 Correct 0 ms 340 KB Output is correct
35 Correct 0 ms 340 KB Output is correct
36 Correct 0 ms 340 KB Output is correct
37 Correct 0 ms 340 KB Output is correct
38 Correct 0 ms 340 KB Output is correct
39 Correct 0 ms 340 KB Output is correct
40 Correct 0 ms 340 KB Output is correct
41 Correct 0 ms 340 KB Output is correct
42 Correct 0 ms 340 KB Output is correct
43 Correct 0 ms 340 KB Output is correct
44 Correct 0 ms 340 KB Output is correct
45 Correct 0 ms 340 KB Output is correct
46 Correct 1 ms 340 KB Output is correct
47 Correct 0 ms 340 KB Output is correct
48 Correct 0 ms 340 KB Output is correct
49 Correct 1 ms 340 KB Output is correct
50 Correct 0 ms 340 KB Output is correct
51 Correct 0 ms 340 KB Output is correct
52 Correct 0 ms 340 KB Output is correct
53 Correct 0 ms 340 KB Output is correct
54 Correct 0 ms 340 KB Output is correct
55 Correct 0 ms 340 KB Output is correct
56 Correct 0 ms 340 KB Output is correct
57 Correct 0 ms 340 KB Output is correct
58 Correct 0 ms 340 KB Output is correct
59 Correct 0 ms 340 KB Output is correct
60 Correct 0 ms 340 KB Output is correct
61 Correct 1 ms 852 KB Output is correct
62 Correct 1 ms 852 KB Output is correct
63 Correct 2 ms 852 KB Output is correct
64 Correct 2 ms 852 KB Output is correct
65 Correct 4 ms 852 KB Output is correct
66 Correct 4 ms 928 KB Output is correct
67 Correct 5 ms 852 KB Output is correct
68 Correct 5 ms 852 KB Output is correct
69 Correct 8 ms 852 KB Output is correct
70 Correct 8 ms 932 KB Output is correct
71 Correct 12 ms 936 KB Output is correct
72 Correct 11 ms 936 KB Output is correct
73 Correct 6 ms 928 KB Output is correct
74 Correct 5 ms 936 KB Output is correct
75 Correct 5 ms 852 KB Output is correct
76 Correct 5 ms 864 KB Output is correct
77 Correct 5 ms 852 KB Output is correct
78 Correct 5 ms 852 KB Output is correct
79 Correct 5 ms 852 KB Output is correct
80 Correct 5 ms 852 KB Output is correct
81 Correct 1370 ms 4336 KB Output is correct
82 Correct 1370 ms 4344 KB Output is correct
83 Correct 1370 ms 4344 KB Output is correct
84 Correct 1373 ms 4340 KB Output is correct
85 Correct 1361 ms 4348 KB Output is correct
86 Correct 1356 ms 4340 KB Output is correct
87 Correct 1400 ms 4340 KB Output is correct
88 Correct 55 ms 4308 KB Output is correct
89 Correct 56 ms 4292 KB Output is correct
90 Correct 144 ms 4332 KB Output is correct
91 Correct 145 ms 4328 KB Output is correct
92 Correct 381 ms 4332 KB Output is correct
93 Correct 375 ms 4332 KB Output is correct
94 Correct 749 ms 4340 KB Output is correct
95 Correct 757 ms 4340 KB Output is correct
96 Correct 1088 ms 4428 KB Output is correct
97 Correct 1085 ms 4340 KB Output is correct
98 Correct 651 ms 4308 KB Output is correct
99 Correct 688 ms 4344 KB Output is correct
100 Correct 679 ms 4340 KB Output is correct
101 Correct 656 ms 4336 KB Output is correct
102 Correct 674 ms 4336 KB Output is correct
103 Correct 650 ms 4344 KB Output is correct
104 Correct 659 ms 4340 KB Output is correct
105 Correct 655 ms 4340 KB Output is correct