oj.uz

Submission #891889

# Submission time Handle Problem Language Result Execution time Memory
891889 2023-12-24T11:24:24 Z 8pete8 Let's Win the Election (JOI22_ho_t3) C++17
100 / 100
 907 ms 8028 KB 
#include<iostream>
#include<stack>
#include<map>
#include<vector>
#include<string>
#include<unordered_map>
#include <queue>
#include<cstring>
#include<float.h>
#include<limits.h>
#include <cassert>
#include<cmath>
#include<set>
#include<algorithm>
#include <iomanip>
#include<numeric> //gcd(a,b)
#include<bitset>
using namespace std;
#define ll long long
#define f first
#define endl "\n"
#define s second
#define pii pair<int,int>
#define ppii pair<pii,int>
#define vi vector<int>
#define pb push_back
#define all(x) x.begin(),x.end()
#define rall(x) x.rbegin(),x.rend()
#define F(n) for(int i=0;i<n;i++)
#define lb lower_bound
#define ub upper_bound
#define fastio ios::sync_with_stdio(false);cin.tie(NULL);
#pragma GCC optimize ("03,unroll-loops")
using namespace std;
#define int long long
#define double long double
const int mod=998244353,mxn=2e5+5,lg=30,inf=1e9,minf=-1e9,Mxn=100000;
//bool use[mxn+10];
double dp[600][600];
int32_t main(){
    fastio
    int n,k;cin>>n>>k;
    double ans=inf;
    vector<pii>v(n);
    for(int i=0;i<n;i++){
        cin>>v[i].f>>v[i].s;
        v[i].s=(v[i].s==-1)?inf:v[i].s;
        swap(v[i].s,v[i].f);
    }
    sort(all(v));
    vector<vector<int>>sum(600,vector<int>(600,inf));
    for(int i=0;i<=n;i++)sum[i][0]=0;
    for(int i=n-1;i>=0;i--)for(int j=k;j>=1;j--)sum[i][j]=min(sum[i+1][j],sum[i+1][j-1]+v[i].s);
    ans=min(ans,(double)sum[0][k]);
    for(int use=1;use<=k;use++){
        for(int i=0;i<=n;i++)for(int j=0;j<=n;j++)dp[i][j]=inf;
        dp[0][0]=0;
        for(int j=0;j<k;j++){
            for(int g=0;g<use;g++){
                dp[j+1][g]=min(dp[j][g]+(v[j].s*1.0/use),dp[j+1][g]);
                if(v[j].f!=inf)dp[j+1][g+1]=min(dp[j+1][g+1],dp[j][g]+(v[j].f*1.0/(g+1)));
            }
            ans=min(ans,dp[j+1][use-1]+sum[j+1][k-j-1]*1.0/use);
        }
    }
    cout<<setprecision(12);
    cout<<ans;
}

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 3164 KB Output is correct
2 Correct 1 ms 3164 KB Output is correct
3 Correct 1 ms 3164 KB Output is correct
4 Correct 1 ms 3176 KB Output is correct
5 Correct 52 ms 7768 KB Output is correct
6 Correct 130 ms 7768 KB Output is correct
7 Correct 276 ms 7996 KB Output is correct
8 Correct 450 ms 7772 KB Output is correct
9 Correct 680 ms 8000 KB Output is correct
10 Correct 419 ms 8016 KB Output is correct

Subtask #2
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 3164 KB Output is correct
2 Correct 1 ms 3164 KB Output is correct
3 Correct 1 ms 3164 KB Output is correct
4 Correct 1 ms 3176 KB Output is correct
5 Correct 52 ms 7768 KB Output is correct
6 Correct 130 ms 7768 KB Output is correct
7 Correct 276 ms 7996 KB Output is correct
8 Correct 450 ms 7772 KB Output is correct
9 Correct 680 ms 8000 KB Output is correct
10 Correct 419 ms 8016 KB Output is correct
11 Correct 1 ms 3164 KB Output is correct
12 Correct 163 ms 7772 KB Output is correct
13 Correct 164 ms 7996 KB Output is correct
14 Correct 165 ms 8012 KB Output is correct
15 Correct 488 ms 7772 KB Output is correct
16 Correct 485 ms 8004 KB Output is correct
17 Correct 445 ms 8004 KB Output is correct
18 Correct 896 ms 8028 KB Output is correct
19 Correct 833 ms 7772 KB Output is correct
20 Correct 739 ms 8000 KB Output is correct

Subtask #3
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 3164 KB Output is correct
2 Correct 1 ms 3164 KB Output is correct
3 Correct 1 ms 3160 KB Output is correct
4 Correct 1 ms 3164 KB Output is correct
5 Correct 2 ms 3164 KB Output is correct
6 Correct 1 ms 3164 KB Output is correct
7 Correct 1 ms 3164 KB Output is correct
8 Correct 1 ms 3164 KB Output is correct
9 Correct 1 ms 3120 KB Output is correct
10 Correct 1 ms 3164 KB Output is correct
11 Correct 1 ms 3164 KB Output is correct
12 Correct 1 ms 3164 KB Output is correct
13 Correct 1 ms 3164 KB Output is correct
14 Correct 1 ms 3160 KB Output is correct
15 Correct 1 ms 3164 KB Output is correct

Subtask #4
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 3164 KB Output is correct
2 Correct 1 ms 3164 KB Output is correct
3 Correct 1 ms 3160 KB Output is correct
4 Correct 1 ms 3164 KB Output is correct
5 Correct 2 ms 3164 KB Output is correct
6 Correct 1 ms 3164 KB Output is correct
7 Correct 1 ms 3164 KB Output is correct
8 Correct 1 ms 3164 KB Output is correct
9 Correct 1 ms 3120 KB Output is correct
10 Correct 1 ms 3164 KB Output is correct
11 Correct 1 ms 3164 KB Output is correct
12 Correct 1 ms 3164 KB Output is correct
13 Correct 1 ms 3164 KB Output is correct
14 Correct 1 ms 3160 KB Output is correct
15 Correct 1 ms 3164 KB Output is correct
16 Correct 2 ms 5212 KB Output is correct
17 Correct 2 ms 5212 KB Output is correct
18 Correct 2 ms 5212 KB Output is correct
19 Correct 2 ms 5212 KB Output is correct
20 Correct 2 ms 5212 KB Output is correct
21 Correct 2 ms 5212 KB Output is correct
22 Correct 2 ms 5212 KB Output is correct
23 Correct 2 ms 5212 KB Output is correct
24 Correct 2 ms 5212 KB Output is correct
25 Correct 2 ms 5212 KB Output is correct
26 Correct 2 ms 5212 KB Output is correct
27 Correct 1 ms 5328 KB Output is correct
28 Correct 2 ms 5464 KB Output is correct
29 Correct 2 ms 5208 KB Output is correct
30 Correct 2 ms 5316 KB Output is correct
31 Correct 2 ms 5208 KB Output is correct
32 Correct 2 ms 5212 KB Output is correct
33 Correct 2 ms 5212 KB Output is correct
34 Correct 2 ms 5212 KB Output is correct
35 Correct 2 ms 5212 KB Output is correct
36 Correct 2 ms 5212 KB Output is correct
37 Correct 2 ms 5212 KB Output is correct
38 Correct 2 ms 5212 KB Output is correct
39 Correct 2 ms 5212 KB Output is correct
40 Correct 2 ms 5212 KB Output is correct

Subtask #5
33.0 / 33.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 3164 KB Output is correct
2 Correct 1 ms 3164 KB Output is correct
3 Correct 1 ms 3160 KB Output is correct
4 Correct 1 ms 3164 KB Output is correct
5 Correct 2 ms 3164 KB Output is correct
6 Correct 1 ms 3164 KB Output is correct
7 Correct 1 ms 3164 KB Output is correct
8 Correct 1 ms 3164 KB Output is correct
9 Correct 1 ms 3120 KB Output is correct
10 Correct 1 ms 3164 KB Output is correct
11 Correct 1 ms 3164 KB Output is correct
12 Correct 1 ms 3164 KB Output is correct
13 Correct 1 ms 3164 KB Output is correct
14 Correct 1 ms 3160 KB Output is correct
15 Correct 1 ms 3164 KB Output is correct
16 Correct 2 ms 5212 KB Output is correct
17 Correct 2 ms 5212 KB Output is correct
18 Correct 2 ms 5212 KB Output is correct
19 Correct 2 ms 5212 KB Output is correct
20 Correct 2 ms 5212 KB Output is correct
21 Correct 2 ms 5212 KB Output is correct
22 Correct 2 ms 5212 KB Output is correct
23 Correct 2 ms 5212 KB Output is correct
24 Correct 2 ms 5212 KB Output is correct
25 Correct 2 ms 5212 KB Output is correct
26 Correct 2 ms 5212 KB Output is correct
27 Correct 1 ms 5328 KB Output is correct
28 Correct 2 ms 5464 KB Output is correct
29 Correct 2 ms 5208 KB Output is correct
30 Correct 2 ms 5316 KB Output is correct
31 Correct 2 ms 5208 KB Output is correct
32 Correct 2 ms 5212 KB Output is correct
33 Correct 2 ms 5212 KB Output is correct
34 Correct 2 ms 5212 KB Output is correct
35 Correct 2 ms 5212 KB Output is correct
36 Correct 2 ms 5212 KB Output is correct
37 Correct 2 ms 5212 KB Output is correct
38 Correct 2 ms 5212 KB Output is correct
39 Correct 2 ms 5212 KB Output is correct
40 Correct 2 ms 5212 KB Output is correct
41 Correct 3 ms 5212 KB Output is correct
42 Correct 2 ms 5212 KB Output is correct
43 Correct 3 ms 5212 KB Output is correct
44 Correct 3 ms 5212 KB Output is correct
45 Correct 4 ms 5212 KB Output is correct
46 Correct 4 ms 5212 KB Output is correct
47 Correct 5 ms 5212 KB Output is correct
48 Correct 5 ms 5216 KB Output is correct
49 Correct 7 ms 5464 KB Output is correct
50 Correct 7 ms 5208 KB Output is correct
51 Correct 9 ms 5212 KB Output is correct
52 Correct 9 ms 5212 KB Output is correct
53 Correct 5 ms 5212 KB Output is correct
54 Correct 5 ms 5328 KB Output is correct
55 Correct 5 ms 5208 KB Output is correct
56 Correct 5 ms 5212 KB Output is correct
57 Correct 5 ms 5212 KB Output is correct
58 Correct 5 ms 5328 KB Output is correct
59 Correct 5 ms 5468 KB Output is correct
60 Correct 5 ms 5208 KB Output is correct

Subtask #6
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 904 ms 7996 KB Output is correct
2 Correct 907 ms 8000 KB Output is correct
3 Correct 903 ms 8000 KB Output is correct
4 Correct 901 ms 8020 KB Output is correct
5 Correct 902 ms 8020 KB Output is correct
6 Correct 899 ms 8016 KB Output is correct
7 Correct 899 ms 8000 KB Output is correct

Subtask #7
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 3164 KB Output is correct
2 Correct 1 ms 3164 KB Output is correct
3 Correct 1 ms 3164 KB Output is correct
4 Correct 1 ms 3176 KB Output is correct
5 Correct 52 ms 7768 KB Output is correct
6 Correct 130 ms 7768 KB Output is correct
7 Correct 276 ms 7996 KB Output is correct
8 Correct 450 ms 7772 KB Output is correct
9 Correct 680 ms 8000 KB Output is correct
10 Correct 419 ms 8016 KB Output is correct
11 Correct 1 ms 3164 KB Output is correct
12 Correct 163 ms 7772 KB Output is correct
13 Correct 164 ms 7996 KB Output is correct
14 Correct 165 ms 8012 KB Output is correct
15 Correct 488 ms 7772 KB Output is correct
16 Correct 485 ms 8004 KB Output is correct
17 Correct 445 ms 8004 KB Output is correct
18 Correct 896 ms 8028 KB Output is correct
19 Correct 833 ms 7772 KB Output is correct
20 Correct 739 ms 8000 KB Output is correct
21 Correct 1 ms 3164 KB Output is correct
22 Correct 1 ms 3164 KB Output is correct
23 Correct 1 ms 3160 KB Output is correct
24 Correct 1 ms 3164 KB Output is correct
25 Correct 2 ms 3164 KB Output is correct
26 Correct 1 ms 3164 KB Output is correct
27 Correct 1 ms 3164 KB Output is correct
28 Correct 1 ms 3164 KB Output is correct
29 Correct 1 ms 3120 KB Output is correct
30 Correct 1 ms 3164 KB Output is correct
31 Correct 1 ms 3164 KB Output is correct
32 Correct 1 ms 3164 KB Output is correct
33 Correct 1 ms 3164 KB Output is correct
34 Correct 1 ms 3160 KB Output is correct
35 Correct 1 ms 3164 KB Output is correct
36 Correct 2 ms 5212 KB Output is correct
37 Correct 2 ms 5212 KB Output is correct
38 Correct 2 ms 5212 KB Output is correct
39 Correct 2 ms 5212 KB Output is correct
40 Correct 2 ms 5212 KB Output is correct
41 Correct 2 ms 5212 KB Output is correct
42 Correct 2 ms 5212 KB Output is correct
43 Correct 2 ms 5212 KB Output is correct
44 Correct 2 ms 5212 KB Output is correct
45 Correct 2 ms 5212 KB Output is correct
46 Correct 2 ms 5212 KB Output is correct
47 Correct 1 ms 5328 KB Output is correct
48 Correct 2 ms 5464 KB Output is correct
49 Correct 2 ms 5208 KB Output is correct
50 Correct 2 ms 5316 KB Output is correct
51 Correct 2 ms 5208 KB Output is correct
52 Correct 2 ms 5212 KB Output is correct
53 Correct 2 ms 5212 KB Output is correct
54 Correct 2 ms 5212 KB Output is correct
55 Correct 2 ms 5212 KB Output is correct
56 Correct 2 ms 5212 KB Output is correct
57 Correct 2 ms 5212 KB Output is correct
58 Correct 2 ms 5212 KB Output is correct
59 Correct 2 ms 5212 KB Output is correct
60 Correct 2 ms 5212 KB Output is correct
61 Correct 3 ms 5212 KB Output is correct
62 Correct 2 ms 5212 KB Output is correct
63 Correct 3 ms 5212 KB Output is correct
64 Correct 3 ms 5212 KB Output is correct
65 Correct 4 ms 5212 KB Output is correct
66 Correct 4 ms 5212 KB Output is correct
67 Correct 5 ms 5212 KB Output is correct
68 Correct 5 ms 5216 KB Output is correct
69 Correct 7 ms 5464 KB Output is correct
70 Correct 7 ms 5208 KB Output is correct
71 Correct 9 ms 5212 KB Output is correct
72 Correct 9 ms 5212 KB Output is correct
73 Correct 5 ms 5212 KB Output is correct
74 Correct 5 ms 5328 KB Output is correct
75 Correct 5 ms 5208 KB Output is correct
76 Correct 5 ms 5212 KB Output is correct
77 Correct 5 ms 5212 KB Output is correct
78 Correct 5 ms 5328 KB Output is correct
79 Correct 5 ms 5468 KB Output is correct
80 Correct 5 ms 5208 KB Output is correct
81 Correct 904 ms 7996 KB Output is correct
82 Correct 907 ms 8000 KB Output is correct
83 Correct 903 ms 8000 KB Output is correct
84 Correct 901 ms 8020 KB Output is correct
85 Correct 902 ms 8020 KB Output is correct
86 Correct 899 ms 8016 KB Output is correct
87 Correct 899 ms 8000 KB Output is correct
88 Correct 53 ms 7772 KB Output is correct
89 Correct 54 ms 8028 KB Output is correct
90 Correct 134 ms 7772 KB Output is correct
91 Correct 134 ms 8000 KB Output is correct
92 Correct 306 ms 8000 KB Output is correct
93 Correct 302 ms 7772 KB Output is correct
94 Correct 549 ms 8016 KB Output is correct
95 Correct 543 ms 7772 KB Output is correct
96 Correct 742 ms 8016 KB Output is correct
97 Correct 747 ms 8012 KB Output is correct
98 Correct 493 ms 8000 KB Output is correct
99 Correct 488 ms 8000 KB Output is correct
100 Correct 493 ms 8004 KB Output is correct
101 Correct 500 ms 8020 KB Output is correct
102 Correct 488 ms 7768 KB Output is correct
103 Correct 488 ms 8004 KB Output is correct
104 Correct 493 ms 8004 KB Output is correct
105 Correct 496 ms 7768 KB Output is correct