oj.uz

Submission #937349

# Submission time Handle Problem Language Result Execution time Memory
937349 2024-03-04T00:00:04 Z Marco_Escandon Let's Win the Election (JOI22_ho_t3) C++11
61 / 100
 2500 ms 5240 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>>(l+2,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 < 15; ++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 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 22 ms 344 KB Output is correct
6 Correct 123 ms 604 KB Output is correct
7 Correct 549 ms 1404 KB Output is correct
8 Correct 1209 ms 2760 KB Output is correct
9 Correct 2248 ms 4248 KB Output is correct
10 Correct 1085 ms 2416 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 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 22 ms 344 KB Output is correct
6 Correct 123 ms 604 KB Output is correct
7 Correct 549 ms 1404 KB Output is correct
8 Correct 1209 ms 2760 KB Output is correct
9 Correct 2248 ms 4248 KB Output is correct
10 Correct 1085 ms 2416 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 2126 ms 1224 KB Output is correct
13 Correct 1317 ms 852 KB Output is correct
14 Correct 739 ms 676 KB Output is correct
15 Execution timed out 2538 ms 3240 KB Time limit exceeded
16 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 1 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 1 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 1 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 1 ms 344 KB Output is correct
12 Correct 1 ms 348 KB Output is correct
13 Correct 1 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 1 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 1 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 1 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 1 ms 344 KB Output is correct
12 Correct 1 ms 348 KB Output is correct
13 Correct 1 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 1 ms 348 KB Output is correct
17 Correct 1 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 1 ms 348 KB Output is correct
20 Correct 1 ms 344 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 1 ms 468 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 344 KB Output is correct
30 Correct 1 ms 348 KB Output is correct
31 Correct 1 ms 348 KB Output is correct
32 Correct 1 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 348 KB Output is correct
36 Correct 1 ms 348 KB Output is correct
37 Correct 2 ms 348 KB Output is correct
38 Correct 1 ms 460 KB Output is correct
39 Correct 1 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 1 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 1 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 1 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 1 ms 344 KB Output is correct
12 Correct 1 ms 348 KB Output is correct
13 Correct 1 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 1 ms 348 KB Output is correct
17 Correct 1 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 1 ms 348 KB Output is correct
20 Correct 1 ms 344 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 1 ms 468 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 344 KB Output is correct
30 Correct 1 ms 348 KB Output is correct
31 Correct 1 ms 348 KB Output is correct
32 Correct 1 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 348 KB Output is correct
36 Correct 1 ms 348 KB Output is correct
37 Correct 2 ms 348 KB Output is correct
38 Correct 1 ms 460 KB Output is correct
39 Correct 1 ms 348 KB Output is correct
40 Correct 1 ms 348 KB Output is correct
41 Correct 2 ms 348 KB Output is correct
42 Correct 5 ms 464 KB Output is correct
43 Correct 7 ms 344 KB Output is correct
44 Correct 14 ms 348 KB Output is correct
45 Correct 50 ms 508 KB Output is correct
46 Correct 20 ms 348 KB Output is correct
47 Correct 34 ms 536 KB Output is correct
48 Correct 58 ms 544 KB Output is correct
49 Correct 97 ms 600 KB Output is correct
50 Correct 59 ms 348 KB Output is correct
51 Correct 118 ms 620 KB Output is correct
52 Correct 145 ms 604 KB Output is correct
53 Correct 19 ms 348 KB Output is correct
54 Correct 41 ms 348 KB Output is correct
55 Correct 64 ms 348 KB Output is correct
56 Correct 24 ms 348 KB Output is correct
57 Correct 56 ms 596 KB Output is correct
58 Correct 72 ms 544 KB Output is correct
59 Correct 64 ms 344 KB Output is correct
60 Correct 54 ms 348 KB Output is correct

Subtask #6
0 / 11.0

# Verdict Execution time Memory Grader output
1 Execution timed out 2534 ms 5240 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 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 22 ms 344 KB Output is correct
6 Correct 123 ms 604 KB Output is correct
7 Correct 549 ms 1404 KB Output is correct
8 Correct 1209 ms 2760 KB Output is correct
9 Correct 2248 ms 4248 KB Output is correct
10 Correct 1085 ms 2416 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 2126 ms 1224 KB Output is correct
13 Correct 1317 ms 852 KB Output is correct
14 Correct 739 ms 676 KB Output is correct
15 Execution timed out 2538 ms 3240 KB Time limit exceeded
16 Halted 0 ms 0 KB -