oj.uz

Submission #937346

# Submission time Handle Problem Language Result Execution time Memory
937346 2024-03-03T23:56:42 Z Marco_Escandon Let's Win the Election (JOI22_ho_t3) C++11
61 / 100
 2500 ms 6884 KB 
#include<bits/stdc++.h>
#define optimizar_io ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0);cout.setf(ios::fixed);cout.precision(15);
#pragma GCC optimize("Ofast")
using namespace std;
typedef long long ll;
#define x first
#define y second
pair<double,double> cad[501];
double sol(ll l,ll n,ll m)
{
    vector<vector<vector<double>>> dp(2,vector<vector<double>>(m+3,vector<double>(m+3,1e9)));
    dp[0][1][1]=0;
    double bs=1e9;
    for(int i=1; i<=n; i++)
    {
        for(int j=1; j<=l; j++)
        {
            for(int k=1; k<=m+1; k++)
            {
                double temp=1e9;
                temp=min(temp,dp[0][j][k]);
                temp=min(temp,dp[0][j][k-1]+cad[i].y/l);
                if(cad[i].first!=-1&&j!=1)
                    temp=min(temp,dp[0][j-1][k-1]+cad[i].x/(j-1));
                dp[1][j][k]=temp;
                if(k==m+1&&j==l) bs=min(bs,dp[1][j][k]);
            }
            //cout<<"\n";
        }
        swap(dp[0],dp[1]);
        //cout<<"\n\n";
    }
    return bs;
}
int main()
{
    optimizar_io
    ll n,m;
    cin>>n>>m;
    cad[0]={-1,-1};
    for(int i=1; i<=n; i++)
        cin>>cad[i].second>>cad[i].first;
    sort(cad,cad+n+1);

    double bs=1e9;
    double lo = 0, hi = m+1;
    for (int i = 0; i < 23; ++i) {
      double delta = (hi-lo)/3.0;
      double m1 = lo+delta;
      double m2 = hi-delta;
      double f1=sol(m1,n,m);
      double f2=sol(m2,n,m);
      bs=min(bs,f1);
      bs=min(bs,f2);
      (f1 > f2) ? lo = m1 : hi = m2;
    }
    cout<<bs;
}

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 344 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 25 ms 532 KB Output is correct
6 Correct 142 ms 864 KB Output is correct
7 Correct 599 ms 2136 KB Output is correct
8 Correct 1349 ms 4012 KB Output is correct
9 Correct 2260 ms 6772 KB Output is correct
10 Correct 1079 ms 3440 KB Output is correct

Subtask #2
0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 344 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 25 ms 532 KB Output is correct
6 Correct 142 ms 864 KB Output is correct
7 Correct 599 ms 2136 KB Output is correct
8 Correct 1349 ms 4012 KB Output is correct
9 Correct 2260 ms 6772 KB Output is correct
10 Correct 1079 ms 3440 KB Output is correct
11 Correct 0 ms 344 KB Output is correct
12 Execution timed out 2529 ms 1040 KB Time limit exceeded
13 Halted 0 ms 0 KB -

Subtask #3
11.0 / 11.0

# 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 348 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 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 348 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 1 ms 348 KB Output is correct
18 Correct 1 ms 348 KB Output is correct
19 Correct 1 ms 348 KB Output is correct
20 Correct 1 ms 348 KB Output is correct
21 Correct 1 ms 348 KB Output is correct
22 Correct 1 ms 348 KB Output is correct
23 Correct 1 ms 348 KB Output is correct
24 Correct 1 ms 348 KB Output is correct
25 Correct 2 ms 348 KB Output is correct
26 Correct 2 ms 348 KB Output is correct
27 Correct 0 ms 348 KB Output is correct
28 Correct 1 ms 348 KB Output is correct
29 Correct 1 ms 348 KB Output is correct
30 Correct 1 ms 348 KB Output is correct
31 Correct 1 ms 348 KB Output is correct
32 Correct 2 ms 348 KB Output is correct
33 Correct 1 ms 348 KB Output is correct
34 Correct 1 ms 348 KB Output is correct
35 Correct 1 ms 472 KB Output is correct
36 Correct 2 ms 348 KB Output is correct
37 Correct 2 ms 348 KB Output is correct
38 Correct 1 ms 348 KB Output is correct
39 Correct 2 ms 348 KB Output is correct
40 Correct 1 ms 348 KB Output is correct

Subtask #5
33.0 / 33.0

# 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 348 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 1 ms 348 KB Output is correct
18 Correct 1 ms 348 KB Output is correct
19 Correct 1 ms 348 KB Output is correct
20 Correct 1 ms 348 KB Output is correct
21 Correct 1 ms 348 KB Output is correct
22 Correct 1 ms 348 KB Output is correct
23 Correct 1 ms 348 KB Output is correct
24 Correct 1 ms 348 KB Output is correct
25 Correct 2 ms 348 KB Output is correct
26 Correct 2 ms 348 KB Output is correct
27 Correct 0 ms 348 KB Output is correct
28 Correct 1 ms 348 KB Output is correct
29 Correct 1 ms 348 KB Output is correct
30 Correct 1 ms 348 KB Output is correct
31 Correct 1 ms 348 KB Output is correct
32 Correct 2 ms 348 KB Output is correct
33 Correct 1 ms 348 KB Output is correct
34 Correct 1 ms 348 KB Output is correct
35 Correct 1 ms 472 KB Output is correct
36 Correct 2 ms 348 KB Output is correct
37 Correct 2 ms 348 KB Output is correct
38 Correct 1 ms 348 KB Output is correct
39 Correct 2 ms 348 KB Output is correct
40 Correct 1 ms 348 KB Output is correct
41 Correct 2 ms 344 KB Output is correct
42 Correct 7 ms 348 KB Output is correct
43 Correct 11 ms 348 KB Output is correct
44 Correct 21 ms 348 KB Output is correct
45 Correct 65 ms 508 KB Output is correct
46 Correct 32 ms 528 KB Output is correct
47 Correct 47 ms 348 KB Output is correct
48 Correct 87 ms 548 KB Output is correct
49 Correct 145 ms 604 KB Output is correct
50 Correct 89 ms 608 KB Output is correct
51 Correct 157 ms 684 KB Output is correct
52 Correct 216 ms 684 KB Output is correct
53 Correct 27 ms 344 KB Output is correct
54 Correct 60 ms 348 KB Output is correct
55 Correct 96 ms 348 KB Output is correct
56 Correct 35 ms 348 KB Output is correct
57 Correct 82 ms 344 KB Output is correct
58 Correct 102 ms 348 KB Output is correct
59 Correct 100 ms 348 KB Output is correct
60 Correct 81 ms 552 KB Output is correct

Subtask #6
0 / 11.0

# Verdict Execution time Memory Grader output
1 Execution timed out 2532 ms 6884 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #7
0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 344 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 25 ms 532 KB Output is correct
6 Correct 142 ms 864 KB Output is correct
7 Correct 599 ms 2136 KB Output is correct
8 Correct 1349 ms 4012 KB Output is correct
9 Correct 2260 ms 6772 KB Output is correct
10 Correct 1079 ms 3440 KB Output is correct
11 Correct 0 ms 344 KB Output is correct
12 Execution timed out 2529 ms 1040 KB Time limit exceeded
13 Halted 0 ms 0 KB -