#include<iostream>
#include<vector>
#warning we made it
using namespace std;
using ll = long long;
using pii = pair<int,long long>;
constexpr int NMAX = 3e5 + 1;
const ll oo = 1e16;
int a[NMAX];
inline pii best(pii a,pii b)
{
if(a.second != b.second) return (a.second > b.second ? a : b);
return (a.first < b.first ? a : b);
}
pii solve(int n,ll l)
{
pii dp[2][n + 1]; dp[0][0] = {0,0},dp[1][0] = {0,-oo};
for(int i = 0 ; i < n ; i++)
{
dp[0][i + 1] = best(dp[0][i],dp[1][i]);
dp[1][i + 1] = best({dp[0][i].first + 1,dp[0][i].second + a[i + 1] - l},
{dp[1][i].first,dp[1][i].second + a[i + 1]});
}
return best(dp[0][n],dp[1][n]);
}
int main()
{
int n,k; cin >> n >> k;
for(int i = 1; i <= n ; i++) cin >> a[i];
ll st = 0 , dr = 1LL << 62 , lambda(0);
while(st <= dr)
{
ll mid = st + (dr - st) / 2; pii now = solve(n,mid);
if(now.first <= k) dr = mid - 1,lambda = mid;
else st = mid + 1;
}
pii ans = solve(n,lambda);
ll out = ans.second + lambda * k;
cout << out;
//solve(n,1);
}
Compilation message
feast.cpp:3:2: warning: #warning we made it [-Wcpp]
3 | #warning we made it
| ^~~~~~~
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
218 ms |
10636 KB |
Output is correct |
2 |
Correct |
225 ms |
10840 KB |
Output is correct |
3 |
Correct |
227 ms |
10744 KB |
Output is correct |
4 |
Correct |
209 ms |
10816 KB |
Output is correct |
5 |
Correct |
221 ms |
10832 KB |
Output is correct |
6 |
Correct |
205 ms |
10408 KB |
Output is correct |
7 |
Correct |
207 ms |
10608 KB |
Output is correct |
8 |
Correct |
207 ms |
10860 KB |
Output is correct |
9 |
Correct |
209 ms |
10676 KB |
Output is correct |
10 |
Correct |
205 ms |
10580 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
174 ms |
10832 KB |
Output is correct |
2 |
Correct |
174 ms |
10832 KB |
Output is correct |
3 |
Correct |
171 ms |
10576 KB |
Output is correct |
4 |
Correct |
171 ms |
10796 KB |
Output is correct |
5 |
Correct |
209 ms |
10580 KB |
Output is correct |
6 |
Correct |
174 ms |
10592 KB |
Output is correct |
7 |
Correct |
176 ms |
10924 KB |
Output is correct |
8 |
Correct |
205 ms |
10900 KB |
Output is correct |
9 |
Correct |
203 ms |
10576 KB |
Output is correct |
10 |
Correct |
171 ms |
10900 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
213 ms |
10836 KB |
Output is correct |
2 |
Correct |
210 ms |
10576 KB |
Output is correct |
3 |
Correct |
210 ms |
10832 KB |
Output is correct |
4 |
Correct |
209 ms |
10684 KB |
Output is correct |
5 |
Correct |
236 ms |
10576 KB |
Output is correct |
6 |
Correct |
216 ms |
10868 KB |
Output is correct |
7 |
Correct |
246 ms |
10920 KB |
Output is correct |
8 |
Correct |
211 ms |
10828 KB |
Output is correct |
9 |
Correct |
219 ms |
11088 KB |
Output is correct |
10 |
Correct |
217 ms |
10836 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
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 |
# |
결과 |
실행 시간 |
메모리 |
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 |
1 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 |
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 |
440 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
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 |
1 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 |
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 |
440 KB |
Output is correct |
21 |
Correct |
2 ms |
348 KB |
Output is correct |
22 |
Correct |
2 ms |
348 KB |
Output is correct |
23 |
Correct |
2 ms |
348 KB |
Output is correct |
24 |
Correct |
2 ms |
428 KB |
Output is correct |
25 |
Correct |
2 ms |
504 KB |
Output is correct |
26 |
Correct |
2 ms |
344 KB |
Output is correct |
27 |
Correct |
2 ms |
344 KB |
Output is correct |
28 |
Correct |
2 ms |
348 KB |
Output is correct |
29 |
Correct |
2 ms |
600 KB |
Output is correct |
30 |
Correct |
2 ms |
440 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
218 ms |
10636 KB |
Output is correct |
2 |
Correct |
225 ms |
10840 KB |
Output is correct |
3 |
Correct |
227 ms |
10744 KB |
Output is correct |
4 |
Correct |
209 ms |
10816 KB |
Output is correct |
5 |
Correct |
221 ms |
10832 KB |
Output is correct |
6 |
Correct |
205 ms |
10408 KB |
Output is correct |
7 |
Correct |
207 ms |
10608 KB |
Output is correct |
8 |
Correct |
207 ms |
10860 KB |
Output is correct |
9 |
Correct |
209 ms |
10676 KB |
Output is correct |
10 |
Correct |
205 ms |
10580 KB |
Output is correct |
11 |
Correct |
174 ms |
10832 KB |
Output is correct |
12 |
Correct |
174 ms |
10832 KB |
Output is correct |
13 |
Correct |
171 ms |
10576 KB |
Output is correct |
14 |
Correct |
171 ms |
10796 KB |
Output is correct |
15 |
Correct |
209 ms |
10580 KB |
Output is correct |
16 |
Correct |
174 ms |
10592 KB |
Output is correct |
17 |
Correct |
176 ms |
10924 KB |
Output is correct |
18 |
Correct |
205 ms |
10900 KB |
Output is correct |
19 |
Correct |
203 ms |
10576 KB |
Output is correct |
20 |
Correct |
171 ms |
10900 KB |
Output is correct |
21 |
Correct |
213 ms |
10836 KB |
Output is correct |
22 |
Correct |
210 ms |
10576 KB |
Output is correct |
23 |
Correct |
210 ms |
10832 KB |
Output is correct |
24 |
Correct |
209 ms |
10684 KB |
Output is correct |
25 |
Correct |
236 ms |
10576 KB |
Output is correct |
26 |
Correct |
216 ms |
10868 KB |
Output is correct |
27 |
Correct |
246 ms |
10920 KB |
Output is correct |
28 |
Correct |
211 ms |
10828 KB |
Output is correct |
29 |
Correct |
219 ms |
11088 KB |
Output is correct |
30 |
Correct |
217 ms |
10836 KB |
Output is correct |
31 |
Correct |
0 ms |
348 KB |
Output is correct |
32 |
Correct |
0 ms |
348 KB |
Output is correct |
33 |
Correct |
0 ms |
348 KB |
Output is correct |
34 |
Correct |
0 ms |
348 KB |
Output is correct |
35 |
Correct |
0 ms |
348 KB |
Output is correct |
36 |
Correct |
0 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 |
0 ms |
348 KB |
Output is correct |
40 |
Correct |
0 ms |
348 KB |
Output is correct |
41 |
Correct |
0 ms |
348 KB |
Output is correct |
42 |
Correct |
1 ms |
348 KB |
Output is correct |
43 |
Correct |
0 ms |
348 KB |
Output is correct |
44 |
Correct |
0 ms |
348 KB |
Output is correct |
45 |
Correct |
0 ms |
348 KB |
Output is correct |
46 |
Correct |
0 ms |
344 KB |
Output is correct |
47 |
Correct |
1 ms |
348 KB |
Output is correct |
48 |
Correct |
1 ms |
348 KB |
Output is correct |
49 |
Correct |
1 ms |
348 KB |
Output is correct |
50 |
Correct |
1 ms |
440 KB |
Output is correct |
51 |
Correct |
2 ms |
348 KB |
Output is correct |
52 |
Correct |
2 ms |
348 KB |
Output is correct |
53 |
Correct |
2 ms |
348 KB |
Output is correct |
54 |
Correct |
2 ms |
428 KB |
Output is correct |
55 |
Correct |
2 ms |
504 KB |
Output is correct |
56 |
Correct |
2 ms |
344 KB |
Output is correct |
57 |
Correct |
2 ms |
344 KB |
Output is correct |
58 |
Correct |
2 ms |
348 KB |
Output is correct |
59 |
Correct |
2 ms |
600 KB |
Output is correct |
60 |
Correct |
2 ms |
440 KB |
Output is correct |
61 |
Correct |
215 ms |
10580 KB |
Output is correct |
62 |
Correct |
215 ms |
10836 KB |
Output is correct |
63 |
Correct |
215 ms |
10684 KB |
Output is correct |
64 |
Correct |
212 ms |
10888 KB |
Output is correct |
65 |
Correct |
213 ms |
10880 KB |
Output is correct |
66 |
Correct |
212 ms |
10940 KB |
Output is correct |
67 |
Correct |
208 ms |
10580 KB |
Output is correct |
68 |
Correct |
213 ms |
10680 KB |
Output is correct |
69 |
Correct |
208 ms |
10580 KB |
Output is correct |
70 |
Correct |
207 ms |
10580 KB |
Output is correct |