#include<bits/stdc++.h>
#define F first
#define S second
#define MAX 500
#define oo 1e9+7
#define mod 1000000007
#define fast_in ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0);cout.setf(ios::fixed);cout.precision(3);
using namespace std;
typedef long long ll;
typedef long double db;
#define pll pair<ll , ll>
#define vll vector<ll>
#define vvll vector<vll>
#define vpll vector<pll>
ll t,n,m;
db dp[MAX][MAX];
pair<db,db> a[MAX];
int main(){
fast_in
cin>>n>>m;t=n;
for(int i=0;i<n;i++){
cin>>a[i].S>>a[i].F;
if(a[i].F==-1){a[i].F=oo;t--;}
}
sort(a,a+n);
db r=oo;
for(int k=0;k<=min(t,m);k++){
for(int j=0;j<=k;j++){
for(int i=0;i+k<=m;i++){
dp[i][j]=oo;
if(i+j==0)dp[i][j]=0;
if(i>0 )dp[i][j]=min(dp[i][j],dp[i-1][j]+a[i+j-1].S/(k+1));
if(j>0)dp[i][j]=min(dp[i][j],dp[i][j-1]+a[i+j-1].F/j);
if(k==j){
// cout<<i<<" "<<j<<" "<<dp[i][j]<<" ";
priority_queue<db> q;
for(int h=i+k;h<n;h++){
q.push(-a[h].S);
}db ans=0;
for(int h=i+k;h<m;h++){
ans+=-q.top()/(k+1);q.pop();
}r=min(r,dp[i][k]+ans);//cout<<ans<<"\n";
}
}
}
}
cout<<r;
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
344 KB |
Output is correct |
2 |
Correct |
1 ms |
344 KB |
Output is correct |
3 |
Correct |
0 ms |
600 KB |
Output is correct |
4 |
Correct |
0 ms |
348 KB |
Output is correct |
5 |
Correct |
1 ms |
2396 KB |
Output is correct |
6 |
Correct |
2 ms |
2904 KB |
Output is correct |
7 |
Correct |
5 ms |
2396 KB |
Output is correct |
8 |
Correct |
9 ms |
2908 KB |
Output is correct |
9 |
Correct |
16 ms |
3776 KB |
Output is correct |
10 |
Correct |
7 ms |
2908 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
344 KB |
Output is correct |
2 |
Correct |
1 ms |
344 KB |
Output is correct |
3 |
Correct |
0 ms |
600 KB |
Output is correct |
4 |
Correct |
0 ms |
348 KB |
Output is correct |
5 |
Correct |
1 ms |
2396 KB |
Output is correct |
6 |
Correct |
2 ms |
2904 KB |
Output is correct |
7 |
Correct |
5 ms |
2396 KB |
Output is correct |
8 |
Correct |
9 ms |
2908 KB |
Output is correct |
9 |
Correct |
16 ms |
3776 KB |
Output is correct |
10 |
Correct |
7 ms |
2908 KB |
Output is correct |
11 |
Correct |
1 ms |
344 KB |
Output is correct |
12 |
Correct |
102 ms |
2644 KB |
Output is correct |
13 |
Correct |
101 ms |
2644 KB |
Output is correct |
14 |
Correct |
94 ms |
2644 KB |
Output is correct |
15 |
Correct |
898 ms |
2996 KB |
Output is correct |
16 |
Correct |
891 ms |
2976 KB |
Output is correct |
17 |
Correct |
490 ms |
2924 KB |
Output is correct |
18 |
Incorrect |
13 ms |
3804 KB |
Output isn't correct |
19 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
464 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 |
344 KB |
Output is correct |
5 |
Correct |
1 ms |
344 KB |
Output is correct |
6 |
Correct |
0 ms |
348 KB |
Output is correct |
7 |
Correct |
0 ms |
344 KB |
Output is correct |
8 |
Correct |
1 ms |
348 KB |
Output is correct |
9 |
Correct |
0 ms |
348 KB |
Output is correct |
10 |
Correct |
1 ms |
348 KB |
Output is correct |
11 |
Correct |
1 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 |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
464 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 |
344 KB |
Output is correct |
5 |
Correct |
1 ms |
344 KB |
Output is correct |
6 |
Correct |
0 ms |
348 KB |
Output is correct |
7 |
Correct |
0 ms |
344 KB |
Output is correct |
8 |
Correct |
1 ms |
348 KB |
Output is correct |
9 |
Correct |
0 ms |
348 KB |
Output is correct |
10 |
Correct |
1 ms |
348 KB |
Output is correct |
11 |
Correct |
1 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 |
344 KB |
Output is correct |
17 |
Correct |
1 ms |
344 KB |
Output is correct |
18 |
Correct |
1 ms |
344 KB |
Output is correct |
19 |
Correct |
0 ms |
344 KB |
Output is correct |
20 |
Correct |
1 ms |
348 KB |
Output is correct |
21 |
Correct |
1 ms |
348 KB |
Output is correct |
22 |
Correct |
0 ms |
348 KB |
Output is correct |
23 |
Correct |
2 ms |
348 KB |
Output is correct |
24 |
Correct |
1 ms |
348 KB |
Output is correct |
25 |
Correct |
0 ms |
348 KB |
Output is correct |
26 |
Correct |
1 ms |
348 KB |
Output is correct |
27 |
Correct |
1 ms |
348 KB |
Output is correct |
28 |
Correct |
1 ms |
348 KB |
Output is correct |
29 |
Correct |
0 ms |
348 KB |
Output is correct |
30 |
Correct |
1 ms |
344 KB |
Output is correct |
31 |
Correct |
1 ms |
344 KB |
Output is correct |
32 |
Correct |
1 ms |
344 KB |
Output is correct |
33 |
Correct |
0 ms |
344 KB |
Output is correct |
34 |
Correct |
0 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 |
0 ms |
348 KB |
Output is correct |
38 |
Correct |
0 ms |
348 KB |
Output is correct |
39 |
Correct |
1 ms |
348 KB |
Output is correct |
40 |
Correct |
1 ms |
348 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
464 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 |
344 KB |
Output is correct |
5 |
Correct |
1 ms |
344 KB |
Output is correct |
6 |
Correct |
0 ms |
348 KB |
Output is correct |
7 |
Correct |
0 ms |
344 KB |
Output is correct |
8 |
Correct |
1 ms |
348 KB |
Output is correct |
9 |
Correct |
0 ms |
348 KB |
Output is correct |
10 |
Correct |
1 ms |
348 KB |
Output is correct |
11 |
Correct |
1 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 |
344 KB |
Output is correct |
17 |
Correct |
1 ms |
344 KB |
Output is correct |
18 |
Correct |
1 ms |
344 KB |
Output is correct |
19 |
Correct |
0 ms |
344 KB |
Output is correct |
20 |
Correct |
1 ms |
348 KB |
Output is correct |
21 |
Correct |
1 ms |
348 KB |
Output is correct |
22 |
Correct |
0 ms |
348 KB |
Output is correct |
23 |
Correct |
2 ms |
348 KB |
Output is correct |
24 |
Correct |
1 ms |
348 KB |
Output is correct |
25 |
Correct |
0 ms |
348 KB |
Output is correct |
26 |
Correct |
1 ms |
348 KB |
Output is correct |
27 |
Correct |
1 ms |
348 KB |
Output is correct |
28 |
Correct |
1 ms |
348 KB |
Output is correct |
29 |
Correct |
0 ms |
348 KB |
Output is correct |
30 |
Correct |
1 ms |
344 KB |
Output is correct |
31 |
Correct |
1 ms |
344 KB |
Output is correct |
32 |
Correct |
1 ms |
344 KB |
Output is correct |
33 |
Correct |
0 ms |
344 KB |
Output is correct |
34 |
Correct |
0 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 |
0 ms |
348 KB |
Output is correct |
38 |
Correct |
0 ms |
348 KB |
Output is correct |
39 |
Correct |
1 ms |
348 KB |
Output is correct |
40 |
Correct |
1 ms |
348 KB |
Output is correct |
41 |
Correct |
1 ms |
344 KB |
Output is correct |
42 |
Correct |
1 ms |
352 KB |
Output is correct |
43 |
Correct |
2 ms |
2392 KB |
Output is correct |
44 |
Correct |
2 ms |
2392 KB |
Output is correct |
45 |
Correct |
4 ms |
2392 KB |
Output is correct |
46 |
Correct |
4 ms |
2392 KB |
Output is correct |
47 |
Correct |
8 ms |
2392 KB |
Output is correct |
48 |
Correct |
7 ms |
2396 KB |
Output is correct |
49 |
Correct |
10 ms |
2396 KB |
Output is correct |
50 |
Correct |
10 ms |
2392 KB |
Output is correct |
51 |
Correct |
16 ms |
2652 KB |
Output is correct |
52 |
Correct |
16 ms |
2652 KB |
Output is correct |
53 |
Correct |
7 ms |
2396 KB |
Output is correct |
54 |
Correct |
7 ms |
2396 KB |
Output is correct |
55 |
Correct |
7 ms |
2396 KB |
Output is correct |
56 |
Correct |
8 ms |
2628 KB |
Output is correct |
57 |
Correct |
6 ms |
2392 KB |
Output is correct |
58 |
Correct |
6 ms |
2392 KB |
Output is correct |
59 |
Correct |
6 ms |
2396 KB |
Output is correct |
60 |
Correct |
5 ms |
2396 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
16 ms |
3804 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
344 KB |
Output is correct |
2 |
Correct |
1 ms |
344 KB |
Output is correct |
3 |
Correct |
0 ms |
600 KB |
Output is correct |
4 |
Correct |
0 ms |
348 KB |
Output is correct |
5 |
Correct |
1 ms |
2396 KB |
Output is correct |
6 |
Correct |
2 ms |
2904 KB |
Output is correct |
7 |
Correct |
5 ms |
2396 KB |
Output is correct |
8 |
Correct |
9 ms |
2908 KB |
Output is correct |
9 |
Correct |
16 ms |
3776 KB |
Output is correct |
10 |
Correct |
7 ms |
2908 KB |
Output is correct |
11 |
Correct |
1 ms |
344 KB |
Output is correct |
12 |
Correct |
102 ms |
2644 KB |
Output is correct |
13 |
Correct |
101 ms |
2644 KB |
Output is correct |
14 |
Correct |
94 ms |
2644 KB |
Output is correct |
15 |
Correct |
898 ms |
2996 KB |
Output is correct |
16 |
Correct |
891 ms |
2976 KB |
Output is correct |
17 |
Correct |
490 ms |
2924 KB |
Output is correct |
18 |
Incorrect |
13 ms |
3804 KB |
Output isn't correct |
19 |
Halted |
0 ms |
0 KB |
- |