oj.uz

Submission #658851

# Submission time Handle Problem Language Result Execution time Memory
658851 2022-11-15T04:52:51 Z Darren0724 Let's Win the Election (JOI22_ho_t3) C++17
100 / 100
 424 ms 2500 KB 
#include<bits/stdc++.h>
using namespace std;
#define all(x) x.begin(),x.end()
#define int long long
int INF=1e9;

signed main(){
    ios_base::sync_with_stdio(false);
    cin.tie(0);
    int n;cin>>n;
    int k;cin>>k;
    vector<pair<int,int>> v(n+1);
    for(int i=1;i<=n;i++){
        cin>>v[i].first>>v[i].second;
        if(v[i].second==-1){
            v[i].second=INF;
        }
    }
    sort(all(v),[&](pair<int,int> a,pair<int,int> b){
        return a.second<b.second;
    });
    double ans=INF;
    for(int t=0;t<k;t++){
        vector<vector<double>> dp(t+1,vector<double>(n+1,INF));
        dp[0][0]=0;
        for(int i=1;i<=n;i++){
            dp[0][i]=dp[0][i-1]+(double)v[i].first/(t+1);
        }
        for(int i=1;i<=t;i++){
            for(int j=1;j<=n;j++){
                dp[i][j]=min(dp[i][j],dp[i-1][j-1]+(double)v[j].second/i);
                dp[i][j]=min(dp[i][j],dp[i][j-1]+(double)v[j].first/(t+1));
            }
        }
        double total=0;
        double mn=INF;
        priority_queue<double,vector<double>,greater<double>> pq;
        for(int i=n;i>k;i--){
            pq.push((double)v[i].first/(t+1));
        }
        for(int i=k;i>=t;i--){
            mn=min(mn,dp[t][i]+total);
            pq.push((double)v[i].first/(t+1));
            while(pq.size()>n-k){
                total+=pq.top();
                pq.pop();
            }
        }
        ans=min(ans,mn);
    }
    cout<<setprecision(9)<<ans<<endl;
    return 0;
}

Compilation message

Main.cpp: In function 'int main()':
Main.cpp:44:28: warning: comparison of integer expressions of different signedness: 'std::priority_queue<double, std::vector<double>, std::greater<double> >::size_type' {aka 'long unsigned int'} and 'long long int' [-Wsign-compare]
   44 |             while(pq.size()>n-k){
      |                   ~~~~~~~~~^~~~

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 1 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 5 ms 540 KB Output is correct
6 Correct 24 ms 1024 KB Output is correct
7 Correct 101 ms 1728 KB Output is correct
8 Correct 223 ms 1880 KB Output is correct
9 Correct 398 ms 2300 KB Output is correct
10 Correct 199 ms 1884 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 1 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 5 ms 540 KB Output is correct
6 Correct 24 ms 1024 KB Output is correct
7 Correct 101 ms 1728 KB Output is correct
8 Correct 223 ms 1880 KB Output is correct
9 Correct 398 ms 2300 KB Output is correct
10 Correct 199 ms 1884 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 36 ms 912 KB Output is correct
13 Correct 36 ms 892 KB Output is correct
14 Correct 35 ms 916 KB Output is correct
15 Correct 199 ms 1760 KB Output is correct
16 Correct 226 ms 1848 KB Output is correct
17 Correct 202 ms 1752 KB Output is correct
18 Correct 417 ms 2340 KB Output is correct
19 Correct 414 ms 2432 KB Output is correct
20 Correct 401 ms 2392 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 0 ms 212 KB Output is correct
7 Correct 1 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 212 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 0 ms 212 KB Output is correct
15 Correct 1 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 0 ms 212 KB Output is correct
7 Correct 1 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 212 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 0 ms 212 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 1 ms 212 KB Output is correct
17 Correct 0 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 1 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 212 KB Output is correct
26 Correct 1 ms 320 KB Output is correct
27 Correct 1 ms 212 KB Output is correct
28 Correct 1 ms 316 KB Output is correct
29 Correct 1 ms 212 KB Output is correct
30 Correct 1 ms 212 KB Output is correct
31 Correct 0 ms 324 KB Output is correct
32 Correct 1 ms 316 KB Output is correct
33 Correct 1 ms 324 KB Output is correct
34 Correct 1 ms 212 KB Output is correct
35 Correct 1 ms 316 KB Output is correct
36 Correct 1 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 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 0 ms 212 KB Output is correct
7 Correct 1 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 212 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 0 ms 212 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 1 ms 212 KB Output is correct
17 Correct 0 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 1 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 212 KB Output is correct
26 Correct 1 ms 320 KB Output is correct
27 Correct 1 ms 212 KB Output is correct
28 Correct 1 ms 316 KB Output is correct
29 Correct 1 ms 212 KB Output is correct
30 Correct 1 ms 212 KB Output is correct
31 Correct 0 ms 324 KB Output is correct
32 Correct 1 ms 316 KB Output is correct
33 Correct 1 ms 324 KB Output is correct
34 Correct 1 ms 212 KB Output is correct
35 Correct 1 ms 316 KB Output is correct
36 Correct 1 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 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 340 KB Output is correct
43 Correct 1 ms 340 KB Output is correct
44 Correct 1 ms 340 KB Output is correct
45 Correct 1 ms 340 KB Output is correct
46 Correct 1 ms 320 KB Output is correct
47 Correct 2 ms 340 KB Output is correct
48 Correct 2 ms 340 KB Output is correct
49 Correct 2 ms 320 KB Output is correct
50 Correct 3 ms 320 KB Output is correct
51 Correct 3 ms 340 KB Output is correct
52 Correct 3 ms 340 KB Output is correct
53 Correct 2 ms 340 KB Output is correct
54 Correct 1 ms 340 KB Output is correct
55 Correct 2 ms 324 KB Output is correct
56 Correct 2 ms 340 KB Output is correct
57 Correct 2 ms 340 KB Output is correct
58 Correct 2 ms 340 KB Output is correct
59 Correct 2 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 424 ms 2500 KB Output is correct
2 Correct 416 ms 2332 KB Output is correct
3 Correct 419 ms 2344 KB Output is correct
4 Correct 405 ms 2368 KB Output is correct
5 Correct 422 ms 2440 KB Output is correct
6 Correct 412 ms 2344 KB Output is correct
7 Correct 409 ms 2348 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 1 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 5 ms 540 KB Output is correct
6 Correct 24 ms 1024 KB Output is correct
7 Correct 101 ms 1728 KB Output is correct
8 Correct 223 ms 1880 KB Output is correct
9 Correct 398 ms 2300 KB Output is correct
10 Correct 199 ms 1884 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 36 ms 912 KB Output is correct
13 Correct 36 ms 892 KB Output is correct
14 Correct 35 ms 916 KB Output is correct
15 Correct 199 ms 1760 KB Output is correct
16 Correct 226 ms 1848 KB Output is correct
17 Correct 202 ms 1752 KB Output is correct
18 Correct 417 ms 2340 KB Output is correct
19 Correct 414 ms 2432 KB Output is correct
20 Correct 401 ms 2392 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 0 ms 212 KB Output is correct
27 Correct 1 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 212 KB Output is correct
32 Correct 1 ms 212 KB Output is correct
33 Correct 0 ms 212 KB Output is correct
34 Correct 0 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 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 1 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 212 KB Output is correct
46 Correct 1 ms 320 KB Output is correct
47 Correct 1 ms 212 KB Output is correct
48 Correct 1 ms 316 KB Output is correct
49 Correct 1 ms 212 KB Output is correct
50 Correct 1 ms 212 KB Output is correct
51 Correct 0 ms 324 KB Output is correct
52 Correct 1 ms 316 KB Output is correct
53 Correct 1 ms 324 KB Output is correct
54 Correct 1 ms 212 KB Output is correct
55 Correct 1 ms 316 KB Output is correct
56 Correct 1 ms 212 KB Output is correct
57 Correct 0 ms 212 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 340 KB Output is correct
63 Correct 1 ms 340 KB Output is correct
64 Correct 1 ms 340 KB Output is correct
65 Correct 1 ms 340 KB Output is correct
66 Correct 1 ms 320 KB Output is correct
67 Correct 2 ms 340 KB Output is correct
68 Correct 2 ms 340 KB Output is correct
69 Correct 2 ms 320 KB Output is correct
70 Correct 3 ms 320 KB Output is correct
71 Correct 3 ms 340 KB Output is correct
72 Correct 3 ms 340 KB Output is correct
73 Correct 2 ms 340 KB Output is correct
74 Correct 1 ms 340 KB Output is correct
75 Correct 2 ms 324 KB Output is correct
76 Correct 2 ms 340 KB Output is correct
77 Correct 2 ms 340 KB Output is correct
78 Correct 2 ms 340 KB Output is correct
79 Correct 2 ms 340 KB Output is correct
80 Correct 2 ms 340 KB Output is correct
81 Correct 424 ms 2500 KB Output is correct
82 Correct 416 ms 2332 KB Output is correct
83 Correct 419 ms 2344 KB Output is correct
84 Correct 405 ms 2368 KB Output is correct
85 Correct 422 ms 2440 KB Output is correct
86 Correct 412 ms 2344 KB Output is correct
87 Correct 409 ms 2348 KB Output is correct
88 Correct 4 ms 516 KB Output is correct
89 Correct 4 ms 544 KB Output is correct
90 Correct 24 ms 832 KB Output is correct
91 Correct 26 ms 948 KB Output is correct
92 Correct 100 ms 1300 KB Output is correct
93 Correct 99 ms 1328 KB Output is correct
94 Correct 247 ms 1880 KB Output is correct
95 Correct 225 ms 1796 KB Output is correct
96 Correct 325 ms 2248 KB Output is correct
97 Correct 323 ms 2168 KB Output is correct
98 Correct 195 ms 1816 KB Output is correct
99 Correct 198 ms 1812 KB Output is correct
100 Correct 200 ms 1800 KB Output is correct
101 Correct 195 ms 1732 KB Output is correct
102 Correct 198 ms 1792 KB Output is correct
103 Correct 195 ms 1848 KB Output is correct
104 Correct 207 ms 1684 KB Output is correct
105 Correct 201 ms 1812 KB Output is correct