#include<bits/stdc++.h>
using namespace std;
#define ll long long
#define int ll
#define pii pair<int, int>
#define ff first
#define ss second
#define ld long double
#define pb push_back
pair<ld, ld> a[300100];
ll b[300100];
ll us[300100];
ll n, m;
ld dp[600][600], ob[600][600];
bool cmp(int x, int y){
return a[x].ss < a[y].ss;
}
bool cmp2(pair<ld, ld> a, pair<ld, ld> b){
return a.ss < b.ss;
}
void solve(){
cin>>n>>m;
int cnt = 0;
vector<int> q;
for(int i=1; i<=n; i++){
cin>>a[i].ff>>a[i].ss;
if(a[i].ss == -1) a[i].ss = 1e9;
else cnt ++;
}
sort(a + 1, a + 1 + n, cmp2);
ld ans = 1e18;
for(int D=0; D<=n; D++){
for(int i=0; i<=n; i++){
for(int j=0; j<=n; j++){
dp[i][j] = ob[i][j] = 1e9;
}
}
dp[0][0] = 0;
for(int i=1; i<=n; i++){
for(int d=0; d<=n; d++){
for(int k=0; k<=n; k++){
ob[d][k] = min(ob[d][k], dp[d][k]);
ob[d][k + 1] = min(ob[d][k + 1], dp[d][k] + a[i].ff / (D + 1));
if(a[i].ss != 1e9) ob[d + 1][k + 1] = min(ob[d + 1][k + 1], dp[d][k] + a[i].ss / (d + 1));
}
}
for(int i=0; i<=n; i++){
for(int j=0; j<=n; j++){
dp[i][j] = ob[i][j];
ob[i][j] = 1e9;
}
}
}
ans = min(ans, dp[D][m]);
}
cout<<fixed<<setprecision(9)<<ans<<'\n';
}
signed main(){
solve();
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
6492 KB |
Output is correct |
2 |
Correct |
1 ms |
6596 KB |
Output is correct |
3 |
Correct |
1 ms |
6492 KB |
Output is correct |
4 |
Correct |
1 ms |
6492 KB |
Output is correct |
5 |
Execution timed out |
2592 ms |
14940 KB |
Time limit exceeded |
6 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
6492 KB |
Output is correct |
2 |
Correct |
1 ms |
6596 KB |
Output is correct |
3 |
Correct |
1 ms |
6492 KB |
Output is correct |
4 |
Correct |
1 ms |
6492 KB |
Output is correct |
5 |
Execution timed out |
2592 ms |
14940 KB |
Time limit exceeded |
6 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
6492 KB |
Output is correct |
2 |
Correct |
1 ms |
6492 KB |
Output is correct |
3 |
Correct |
1 ms |
6492 KB |
Output is correct |
4 |
Correct |
1 ms |
6492 KB |
Output is correct |
5 |
Correct |
1 ms |
6492 KB |
Output is correct |
6 |
Correct |
1 ms |
6492 KB |
Output is correct |
7 |
Correct |
1 ms |
6492 KB |
Output is correct |
8 |
Correct |
1 ms |
6492 KB |
Output is correct |
9 |
Correct |
1 ms |
6492 KB |
Output is correct |
10 |
Correct |
1 ms |
6492 KB |
Output is correct |
11 |
Correct |
1 ms |
6492 KB |
Output is correct |
12 |
Correct |
1 ms |
6744 KB |
Output is correct |
13 |
Correct |
1 ms |
6492 KB |
Output is correct |
14 |
Correct |
1 ms |
6492 KB |
Output is correct |
15 |
Correct |
1 ms |
6492 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
6492 KB |
Output is correct |
2 |
Correct |
1 ms |
6492 KB |
Output is correct |
3 |
Correct |
1 ms |
6492 KB |
Output is correct |
4 |
Correct |
1 ms |
6492 KB |
Output is correct |
5 |
Correct |
1 ms |
6492 KB |
Output is correct |
6 |
Correct |
1 ms |
6492 KB |
Output is correct |
7 |
Correct |
1 ms |
6492 KB |
Output is correct |
8 |
Correct |
1 ms |
6492 KB |
Output is correct |
9 |
Correct |
1 ms |
6492 KB |
Output is correct |
10 |
Correct |
1 ms |
6492 KB |
Output is correct |
11 |
Correct |
1 ms |
6492 KB |
Output is correct |
12 |
Correct |
1 ms |
6744 KB |
Output is correct |
13 |
Correct |
1 ms |
6492 KB |
Output is correct |
14 |
Correct |
1 ms |
6492 KB |
Output is correct |
15 |
Correct |
1 ms |
6492 KB |
Output is correct |
16 |
Correct |
5 ms |
8540 KB |
Output is correct |
17 |
Correct |
5 ms |
8540 KB |
Output is correct |
18 |
Correct |
4 ms |
8540 KB |
Output is correct |
19 |
Correct |
5 ms |
8656 KB |
Output is correct |
20 |
Correct |
4 ms |
8740 KB |
Output is correct |
21 |
Correct |
4 ms |
8540 KB |
Output is correct |
22 |
Correct |
5 ms |
8540 KB |
Output is correct |
23 |
Correct |
5 ms |
8612 KB |
Output is correct |
24 |
Correct |
4 ms |
8536 KB |
Output is correct |
25 |
Correct |
5 ms |
8540 KB |
Output is correct |
26 |
Correct |
6 ms |
8540 KB |
Output is correct |
27 |
Correct |
6 ms |
8540 KB |
Output is correct |
28 |
Correct |
6 ms |
8540 KB |
Output is correct |
29 |
Correct |
5 ms |
8540 KB |
Output is correct |
30 |
Correct |
4 ms |
8540 KB |
Output is correct |
31 |
Correct |
5 ms |
8536 KB |
Output is correct |
32 |
Correct |
5 ms |
8624 KB |
Output is correct |
33 |
Correct |
4 ms |
8540 KB |
Output is correct |
34 |
Correct |
5 ms |
8536 KB |
Output is correct |
35 |
Correct |
5 ms |
8540 KB |
Output is correct |
36 |
Correct |
4 ms |
8540 KB |
Output is correct |
37 |
Correct |
4 ms |
8540 KB |
Output is correct |
38 |
Correct |
5 ms |
8736 KB |
Output is correct |
39 |
Correct |
5 ms |
8644 KB |
Output is correct |
40 |
Correct |
5 ms |
8744 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
6492 KB |
Output is correct |
2 |
Correct |
1 ms |
6492 KB |
Output is correct |
3 |
Correct |
1 ms |
6492 KB |
Output is correct |
4 |
Correct |
1 ms |
6492 KB |
Output is correct |
5 |
Correct |
1 ms |
6492 KB |
Output is correct |
6 |
Correct |
1 ms |
6492 KB |
Output is correct |
7 |
Correct |
1 ms |
6492 KB |
Output is correct |
8 |
Correct |
1 ms |
6492 KB |
Output is correct |
9 |
Correct |
1 ms |
6492 KB |
Output is correct |
10 |
Correct |
1 ms |
6492 KB |
Output is correct |
11 |
Correct |
1 ms |
6492 KB |
Output is correct |
12 |
Correct |
1 ms |
6744 KB |
Output is correct |
13 |
Correct |
1 ms |
6492 KB |
Output is correct |
14 |
Correct |
1 ms |
6492 KB |
Output is correct |
15 |
Correct |
1 ms |
6492 KB |
Output is correct |
16 |
Correct |
5 ms |
8540 KB |
Output is correct |
17 |
Correct |
5 ms |
8540 KB |
Output is correct |
18 |
Correct |
4 ms |
8540 KB |
Output is correct |
19 |
Correct |
5 ms |
8656 KB |
Output is correct |
20 |
Correct |
4 ms |
8740 KB |
Output is correct |
21 |
Correct |
4 ms |
8540 KB |
Output is correct |
22 |
Correct |
5 ms |
8540 KB |
Output is correct |
23 |
Correct |
5 ms |
8612 KB |
Output is correct |
24 |
Correct |
4 ms |
8536 KB |
Output is correct |
25 |
Correct |
5 ms |
8540 KB |
Output is correct |
26 |
Correct |
6 ms |
8540 KB |
Output is correct |
27 |
Correct |
6 ms |
8540 KB |
Output is correct |
28 |
Correct |
6 ms |
8540 KB |
Output is correct |
29 |
Correct |
5 ms |
8540 KB |
Output is correct |
30 |
Correct |
4 ms |
8540 KB |
Output is correct |
31 |
Correct |
5 ms |
8536 KB |
Output is correct |
32 |
Correct |
5 ms |
8624 KB |
Output is correct |
33 |
Correct |
4 ms |
8540 KB |
Output is correct |
34 |
Correct |
5 ms |
8536 KB |
Output is correct |
35 |
Correct |
5 ms |
8540 KB |
Output is correct |
36 |
Correct |
4 ms |
8540 KB |
Output is correct |
37 |
Correct |
4 ms |
8540 KB |
Output is correct |
38 |
Correct |
5 ms |
8736 KB |
Output is correct |
39 |
Correct |
5 ms |
8644 KB |
Output is correct |
40 |
Correct |
5 ms |
8744 KB |
Output is correct |
41 |
Correct |
2105 ms |
10792 KB |
Output is correct |
42 |
Correct |
1970 ms |
10588 KB |
Output is correct |
43 |
Correct |
2041 ms |
10792 KB |
Output is correct |
44 |
Correct |
1986 ms |
10788 KB |
Output is correct |
45 |
Correct |
2020 ms |
10792 KB |
Output is correct |
46 |
Correct |
1978 ms |
10588 KB |
Output is correct |
47 |
Correct |
1999 ms |
10792 KB |
Output is correct |
48 |
Correct |
1947 ms |
10588 KB |
Output is correct |
49 |
Correct |
2013 ms |
10796 KB |
Output is correct |
50 |
Correct |
1940 ms |
10796 KB |
Output is correct |
51 |
Correct |
2065 ms |
10588 KB |
Output is correct |
52 |
Correct |
1955 ms |
10796 KB |
Output is correct |
53 |
Correct |
2055 ms |
10588 KB |
Output is correct |
54 |
Correct |
2033 ms |
10588 KB |
Output is correct |
55 |
Correct |
2037 ms |
10844 KB |
Output is correct |
56 |
Correct |
2024 ms |
10800 KB |
Output is correct |
57 |
Correct |
2072 ms |
10792 KB |
Output is correct |
58 |
Correct |
2033 ms |
10792 KB |
Output is correct |
59 |
Correct |
2021 ms |
10588 KB |
Output is correct |
60 |
Correct |
2062 ms |
10792 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Execution timed out |
2529 ms |
15192 KB |
Time limit exceeded |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
6492 KB |
Output is correct |
2 |
Correct |
1 ms |
6596 KB |
Output is correct |
3 |
Correct |
1 ms |
6492 KB |
Output is correct |
4 |
Correct |
1 ms |
6492 KB |
Output is correct |
5 |
Execution timed out |
2592 ms |
14940 KB |
Time limit exceeded |
6 |
Halted |
0 ms |
0 KB |
- |