#include <bits/stdc++.h>
using namespace std;
#define ll long long
const int nx=3e5+5;
ll n, k, qs[nx];
pair<ll, ll> sol(ll c)
{
pair<ll, int> mx(0, 0), dp(0, 0);
for (int i=1; i<=n; i++)
{
dp=max(dp, {mx.first+qs[i]-c, mx.second-1});
mx=max(mx, {dp.first-qs[i], dp.second});
//cout<<i<<' '<<dp[i].first<<' '<<-dp[i].second<<'\n';
}
return dp;
}
int main()
{
cin.tie(NULL)->sync_with_stdio(false);
cin>>n>>k;
for (int i=1; i<=n; i++) cin>>qs[i], qs[i]+=qs[i-1];
ll l=0, r=3e14+5;
while (l<r)
{
ll md=(l+r)/2;
if (-sol(md).second<=k) r=md;
else l=md+1;
}
cout<<sol(l).first+k*l;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
36 ms |
2576 KB |
Output is correct |
2 |
Correct |
38 ms |
5460 KB |
Output is correct |
3 |
Correct |
39 ms |
5468 KB |
Output is correct |
4 |
Correct |
37 ms |
5504 KB |
Output is correct |
5 |
Correct |
38 ms |
5484 KB |
Output is correct |
6 |
Correct |
43 ms |
5404 KB |
Output is correct |
7 |
Correct |
39 ms |
5312 KB |
Output is correct |
8 |
Correct |
38 ms |
5496 KB |
Output is correct |
9 |
Correct |
36 ms |
5356 KB |
Output is correct |
10 |
Correct |
38 ms |
5356 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
39 ms |
2496 KB |
Output is correct |
2 |
Correct |
36 ms |
3724 KB |
Output is correct |
3 |
Correct |
33 ms |
3668 KB |
Output is correct |
4 |
Correct |
33 ms |
3668 KB |
Output is correct |
5 |
Correct |
37 ms |
5276 KB |
Output is correct |
6 |
Correct |
41 ms |
3704 KB |
Output is correct |
7 |
Correct |
33 ms |
3812 KB |
Output is correct |
8 |
Correct |
37 ms |
5512 KB |
Output is correct |
9 |
Correct |
37 ms |
5324 KB |
Output is correct |
10 |
Correct |
33 ms |
3664 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
63 ms |
2644 KB |
Output is correct |
2 |
Correct |
71 ms |
5644 KB |
Output is correct |
3 |
Correct |
64 ms |
5640 KB |
Output is correct |
4 |
Correct |
63 ms |
5588 KB |
Output is correct |
5 |
Correct |
76 ms |
5576 KB |
Output is correct |
6 |
Correct |
64 ms |
5584 KB |
Output is correct |
7 |
Correct |
66 ms |
5692 KB |
Output is correct |
8 |
Correct |
70 ms |
5708 KB |
Output is correct |
9 |
Correct |
66 ms |
5712 KB |
Output is correct |
10 |
Correct |
64 ms |
5696 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
212 KB |
Output is correct |
2 |
Correct |
0 ms |
212 KB |
Output is correct |
3 |
Correct |
0 ms |
212 KB |
Output is correct |
4 |
Correct |
1 ms |
212 KB |
Output is correct |
5 |
Correct |
1 ms |
212 KB |
Output is correct |
6 |
Correct |
0 ms |
212 KB |
Output is correct |
7 |
Correct |
0 ms |
212 KB |
Output is correct |
8 |
Correct |
0 ms |
212 KB |
Output is correct |
9 |
Correct |
0 ms |
212 KB |
Output is correct |
10 |
Correct |
0 ms |
212 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
212 KB |
Output is correct |
2 |
Correct |
0 ms |
212 KB |
Output is correct |
3 |
Correct |
0 ms |
212 KB |
Output is correct |
4 |
Correct |
1 ms |
212 KB |
Output is correct |
5 |
Correct |
1 ms |
212 KB |
Output is correct |
6 |
Correct |
0 ms |
212 KB |
Output is correct |
7 |
Correct |
0 ms |
212 KB |
Output is correct |
8 |
Correct |
0 ms |
212 KB |
Output is correct |
9 |
Correct |
0 ms |
212 KB |
Output is correct |
10 |
Correct |
0 ms |
212 KB |
Output is correct |
11 |
Correct |
0 ms |
212 KB |
Output is correct |
12 |
Correct |
0 ms |
212 KB |
Output is correct |
13 |
Correct |
1 ms |
232 KB |
Output is correct |
14 |
Correct |
0 ms |
212 KB |
Output is correct |
15 |
Correct |
0 ms |
212 KB |
Output is correct |
16 |
Correct |
0 ms |
212 KB |
Output is correct |
17 |
Correct |
0 ms |
212 KB |
Output is correct |
18 |
Correct |
0 ms |
212 KB |
Output is correct |
19 |
Correct |
0 ms |
212 KB |
Output is correct |
20 |
Correct |
0 ms |
212 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
212 KB |
Output is correct |
2 |
Correct |
0 ms |
212 KB |
Output is correct |
3 |
Correct |
0 ms |
212 KB |
Output is correct |
4 |
Correct |
1 ms |
212 KB |
Output is correct |
5 |
Correct |
1 ms |
212 KB |
Output is correct |
6 |
Correct |
0 ms |
212 KB |
Output is correct |
7 |
Correct |
0 ms |
212 KB |
Output is correct |
8 |
Correct |
0 ms |
212 KB |
Output is correct |
9 |
Correct |
0 ms |
212 KB |
Output is correct |
10 |
Correct |
0 ms |
212 KB |
Output is correct |
11 |
Correct |
0 ms |
212 KB |
Output is correct |
12 |
Correct |
0 ms |
212 KB |
Output is correct |
13 |
Correct |
1 ms |
232 KB |
Output is correct |
14 |
Correct |
0 ms |
212 KB |
Output is correct |
15 |
Correct |
0 ms |
212 KB |
Output is correct |
16 |
Correct |
0 ms |
212 KB |
Output is correct |
17 |
Correct |
0 ms |
212 KB |
Output is correct |
18 |
Correct |
0 ms |
212 KB |
Output is correct |
19 |
Correct |
0 ms |
212 KB |
Output is correct |
20 |
Correct |
0 ms |
212 KB |
Output is correct |
21 |
Correct |
1 ms |
340 KB |
Output is correct |
22 |
Correct |
1 ms |
340 KB |
Output is correct |
23 |
Correct |
1 ms |
340 KB |
Output is correct |
24 |
Correct |
1 ms |
340 KB |
Output is correct |
25 |
Correct |
1 ms |
340 KB |
Output is correct |
26 |
Correct |
1 ms |
340 KB |
Output is correct |
27 |
Correct |
1 ms |
332 KB |
Output is correct |
28 |
Correct |
1 ms |
212 KB |
Output is correct |
29 |
Correct |
1 ms |
340 KB |
Output is correct |
30 |
Correct |
1 ms |
340 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
36 ms |
2576 KB |
Output is correct |
2 |
Correct |
38 ms |
5460 KB |
Output is correct |
3 |
Correct |
39 ms |
5468 KB |
Output is correct |
4 |
Correct |
37 ms |
5504 KB |
Output is correct |
5 |
Correct |
38 ms |
5484 KB |
Output is correct |
6 |
Correct |
43 ms |
5404 KB |
Output is correct |
7 |
Correct |
39 ms |
5312 KB |
Output is correct |
8 |
Correct |
38 ms |
5496 KB |
Output is correct |
9 |
Correct |
36 ms |
5356 KB |
Output is correct |
10 |
Correct |
38 ms |
5356 KB |
Output is correct |
11 |
Correct |
39 ms |
2496 KB |
Output is correct |
12 |
Correct |
36 ms |
3724 KB |
Output is correct |
13 |
Correct |
33 ms |
3668 KB |
Output is correct |
14 |
Correct |
33 ms |
3668 KB |
Output is correct |
15 |
Correct |
37 ms |
5276 KB |
Output is correct |
16 |
Correct |
41 ms |
3704 KB |
Output is correct |
17 |
Correct |
33 ms |
3812 KB |
Output is correct |
18 |
Correct |
37 ms |
5512 KB |
Output is correct |
19 |
Correct |
37 ms |
5324 KB |
Output is correct |
20 |
Correct |
33 ms |
3664 KB |
Output is correct |
21 |
Correct |
63 ms |
2644 KB |
Output is correct |
22 |
Correct |
71 ms |
5644 KB |
Output is correct |
23 |
Correct |
64 ms |
5640 KB |
Output is correct |
24 |
Correct |
63 ms |
5588 KB |
Output is correct |
25 |
Correct |
76 ms |
5576 KB |
Output is correct |
26 |
Correct |
64 ms |
5584 KB |
Output is correct |
27 |
Correct |
66 ms |
5692 KB |
Output is correct |
28 |
Correct |
70 ms |
5708 KB |
Output is correct |
29 |
Correct |
66 ms |
5712 KB |
Output is correct |
30 |
Correct |
64 ms |
5696 KB |
Output is correct |
31 |
Correct |
0 ms |
212 KB |
Output is correct |
32 |
Correct |
0 ms |
212 KB |
Output is correct |
33 |
Correct |
0 ms |
212 KB |
Output is correct |
34 |
Correct |
1 ms |
212 KB |
Output is correct |
35 |
Correct |
1 ms |
212 KB |
Output is correct |
36 |
Correct |
0 ms |
212 KB |
Output is correct |
37 |
Correct |
0 ms |
212 KB |
Output is correct |
38 |
Correct |
0 ms |
212 KB |
Output is correct |
39 |
Correct |
0 ms |
212 KB |
Output is correct |
40 |
Correct |
0 ms |
212 KB |
Output is correct |
41 |
Correct |
0 ms |
212 KB |
Output is correct |
42 |
Correct |
0 ms |
212 KB |
Output is correct |
43 |
Correct |
1 ms |
232 KB |
Output is correct |
44 |
Correct |
0 ms |
212 KB |
Output is correct |
45 |
Correct |
0 ms |
212 KB |
Output is correct |
46 |
Correct |
0 ms |
212 KB |
Output is correct |
47 |
Correct |
0 ms |
212 KB |
Output is correct |
48 |
Correct |
0 ms |
212 KB |
Output is correct |
49 |
Correct |
0 ms |
212 KB |
Output is correct |
50 |
Correct |
0 ms |
212 KB |
Output is correct |
51 |
Correct |
1 ms |
340 KB |
Output is correct |
52 |
Correct |
1 ms |
340 KB |
Output is correct |
53 |
Correct |
1 ms |
340 KB |
Output is correct |
54 |
Correct |
1 ms |
340 KB |
Output is correct |
55 |
Correct |
1 ms |
340 KB |
Output is correct |
56 |
Correct |
1 ms |
340 KB |
Output is correct |
57 |
Correct |
1 ms |
332 KB |
Output is correct |
58 |
Correct |
1 ms |
212 KB |
Output is correct |
59 |
Correct |
1 ms |
340 KB |
Output is correct |
60 |
Correct |
1 ms |
340 KB |
Output is correct |
61 |
Correct |
90 ms |
5580 KB |
Output is correct |
62 |
Correct |
91 ms |
5684 KB |
Output is correct |
63 |
Correct |
75 ms |
5564 KB |
Output is correct |
64 |
Correct |
90 ms |
5656 KB |
Output is correct |
65 |
Correct |
112 ms |
5676 KB |
Output is correct |
66 |
Correct |
94 ms |
5660 KB |
Output is correct |
67 |
Correct |
92 ms |
5468 KB |
Output is correct |
68 |
Correct |
65 ms |
5672 KB |
Output is correct |
69 |
Correct |
63 ms |
5548 KB |
Output is correct |
70 |
Correct |
62 ms |
5452 KB |
Output is correct |