# |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
209819 |
2020-03-15T15:42:02 Z |
Alexa2001 |
Feast (NOI19_feast) |
C++17 |
|
307 ms |
10876 KB |
#include <bits/stdc++.h>
using namespace std;
/// 17:28
typedef long long ll;
const int Nmax = 3e5 + 5, lim = 1e9;
pair<ll, int> dp[Nmax][2];
int a[Nmax], n, k;
pair<ll,int> best(pair<ll, int> a, pair<ll, int> b)
{
if(a.first == b.first) return a.second < b.second ? a : b;
return a.first > b.first ? a : b;
}
pair<ll, int> operator - (pair<ll, int> a, ll x)
{
return {a.first - x, a.second + 1};
}
pair<ll, int> operator + (pair<ll, int> a, ll x)
{
return {a.first + x, a.second};
}
pair<ll, int> solve(ll cost)
{
int i;
dp[0][0] = dp[0][1] = {0, 0};
for(i=1; i<=n; ++i)
{
dp[i][0] = best(dp[i-1][0], dp[i-1][1] - cost);
dp[i][1] = best(dp[i-1][0], dp[i-1][1]) + a[i];
}
return best(dp[n][0], dp[n][1] - cost);
}
int main()
{
// freopen("input", "r", stdin);
cin.sync_with_stdio(false); cin.tie(0);
cin >> n >> k;
int i;
for(i=1; i<=n; ++i) cin >> a[i];
ll mid, st = 0, dr = (ll) n * lim;
while(st <= dr)
{
mid = (st + dr) / 2;
if(solve(mid).second > k) st = mid + 1;
else dr = mid - 1;
}
cout << solve(st).first + (ll) k * st << '\n';
return 0;
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
259 ms |
10616 KB |
Output is correct |
2 |
Correct |
260 ms |
10744 KB |
Output is correct |
3 |
Correct |
270 ms |
10856 KB |
Output is correct |
4 |
Correct |
266 ms |
10868 KB |
Output is correct |
5 |
Correct |
262 ms |
10744 KB |
Output is correct |
6 |
Correct |
254 ms |
10616 KB |
Output is correct |
7 |
Correct |
261 ms |
10616 KB |
Output is correct |
8 |
Correct |
264 ms |
10840 KB |
Output is correct |
9 |
Correct |
255 ms |
10616 KB |
Output is correct |
10 |
Correct |
266 ms |
10744 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
227 ms |
10616 KB |
Output is correct |
2 |
Correct |
233 ms |
10872 KB |
Output is correct |
3 |
Correct |
231 ms |
10616 KB |
Output is correct |
4 |
Correct |
235 ms |
10744 KB |
Output is correct |
5 |
Correct |
258 ms |
10616 KB |
Output is correct |
6 |
Correct |
248 ms |
10616 KB |
Output is correct |
7 |
Correct |
242 ms |
10872 KB |
Output is correct |
8 |
Correct |
265 ms |
10872 KB |
Output is correct |
9 |
Correct |
269 ms |
10488 KB |
Output is correct |
10 |
Correct |
234 ms |
10872 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
255 ms |
10744 KB |
Output is correct |
2 |
Correct |
242 ms |
10616 KB |
Output is correct |
3 |
Correct |
245 ms |
10740 KB |
Output is correct |
4 |
Correct |
242 ms |
10616 KB |
Output is correct |
5 |
Correct |
243 ms |
10744 KB |
Output is correct |
6 |
Correct |
246 ms |
10848 KB |
Output is correct |
7 |
Correct |
248 ms |
10872 KB |
Output is correct |
8 |
Correct |
243 ms |
10744 KB |
Output is correct |
9 |
Correct |
248 ms |
10872 KB |
Output is correct |
10 |
Correct |
247 ms |
10872 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
5 ms |
376 KB |
Output is correct |
2 |
Correct |
5 ms |
376 KB |
Output is correct |
3 |
Correct |
5 ms |
380 KB |
Output is correct |
4 |
Correct |
5 ms |
376 KB |
Output is correct |
5 |
Correct |
5 ms |
376 KB |
Output is correct |
6 |
Correct |
4 ms |
376 KB |
Output is correct |
7 |
Correct |
5 ms |
380 KB |
Output is correct |
8 |
Correct |
5 ms |
376 KB |
Output is correct |
9 |
Correct |
5 ms |
376 KB |
Output is correct |
10 |
Correct |
5 ms |
376 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
5 ms |
376 KB |
Output is correct |
2 |
Correct |
5 ms |
376 KB |
Output is correct |
3 |
Correct |
5 ms |
380 KB |
Output is correct |
4 |
Correct |
5 ms |
376 KB |
Output is correct |
5 |
Correct |
5 ms |
376 KB |
Output is correct |
6 |
Correct |
4 ms |
376 KB |
Output is correct |
7 |
Correct |
5 ms |
380 KB |
Output is correct |
8 |
Correct |
5 ms |
376 KB |
Output is correct |
9 |
Correct |
5 ms |
376 KB |
Output is correct |
10 |
Correct |
5 ms |
376 KB |
Output is correct |
11 |
Correct |
5 ms |
376 KB |
Output is correct |
12 |
Correct |
5 ms |
376 KB |
Output is correct |
13 |
Correct |
5 ms |
376 KB |
Output is correct |
14 |
Correct |
5 ms |
376 KB |
Output is correct |
15 |
Correct |
5 ms |
376 KB |
Output is correct |
16 |
Correct |
6 ms |
376 KB |
Output is correct |
17 |
Correct |
5 ms |
376 KB |
Output is correct |
18 |
Correct |
5 ms |
376 KB |
Output is correct |
19 |
Correct |
5 ms |
376 KB |
Output is correct |
20 |
Correct |
5 ms |
380 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
5 ms |
376 KB |
Output is correct |
2 |
Correct |
5 ms |
376 KB |
Output is correct |
3 |
Correct |
5 ms |
380 KB |
Output is correct |
4 |
Correct |
5 ms |
376 KB |
Output is correct |
5 |
Correct |
5 ms |
376 KB |
Output is correct |
6 |
Correct |
4 ms |
376 KB |
Output is correct |
7 |
Correct |
5 ms |
380 KB |
Output is correct |
8 |
Correct |
5 ms |
376 KB |
Output is correct |
9 |
Correct |
5 ms |
376 KB |
Output is correct |
10 |
Correct |
5 ms |
376 KB |
Output is correct |
11 |
Correct |
5 ms |
376 KB |
Output is correct |
12 |
Correct |
5 ms |
376 KB |
Output is correct |
13 |
Correct |
5 ms |
376 KB |
Output is correct |
14 |
Correct |
5 ms |
376 KB |
Output is correct |
15 |
Correct |
5 ms |
376 KB |
Output is correct |
16 |
Correct |
6 ms |
376 KB |
Output is correct |
17 |
Correct |
5 ms |
376 KB |
Output is correct |
18 |
Correct |
5 ms |
376 KB |
Output is correct |
19 |
Correct |
5 ms |
376 KB |
Output is correct |
20 |
Correct |
5 ms |
380 KB |
Output is correct |
21 |
Correct |
6 ms |
376 KB |
Output is correct |
22 |
Correct |
7 ms |
376 KB |
Output is correct |
23 |
Correct |
6 ms |
376 KB |
Output is correct |
24 |
Correct |
6 ms |
248 KB |
Output is correct |
25 |
Correct |
6 ms |
376 KB |
Output is correct |
26 |
Correct |
6 ms |
376 KB |
Output is correct |
27 |
Correct |
6 ms |
376 KB |
Output is correct |
28 |
Correct |
6 ms |
376 KB |
Output is correct |
29 |
Correct |
6 ms |
376 KB |
Output is correct |
30 |
Correct |
6 ms |
376 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
259 ms |
10616 KB |
Output is correct |
2 |
Correct |
260 ms |
10744 KB |
Output is correct |
3 |
Correct |
270 ms |
10856 KB |
Output is correct |
4 |
Correct |
266 ms |
10868 KB |
Output is correct |
5 |
Correct |
262 ms |
10744 KB |
Output is correct |
6 |
Correct |
254 ms |
10616 KB |
Output is correct |
7 |
Correct |
261 ms |
10616 KB |
Output is correct |
8 |
Correct |
264 ms |
10840 KB |
Output is correct |
9 |
Correct |
255 ms |
10616 KB |
Output is correct |
10 |
Correct |
266 ms |
10744 KB |
Output is correct |
11 |
Correct |
227 ms |
10616 KB |
Output is correct |
12 |
Correct |
233 ms |
10872 KB |
Output is correct |
13 |
Correct |
231 ms |
10616 KB |
Output is correct |
14 |
Correct |
235 ms |
10744 KB |
Output is correct |
15 |
Correct |
258 ms |
10616 KB |
Output is correct |
16 |
Correct |
248 ms |
10616 KB |
Output is correct |
17 |
Correct |
242 ms |
10872 KB |
Output is correct |
18 |
Correct |
265 ms |
10872 KB |
Output is correct |
19 |
Correct |
269 ms |
10488 KB |
Output is correct |
20 |
Correct |
234 ms |
10872 KB |
Output is correct |
21 |
Correct |
255 ms |
10744 KB |
Output is correct |
22 |
Correct |
242 ms |
10616 KB |
Output is correct |
23 |
Correct |
245 ms |
10740 KB |
Output is correct |
24 |
Correct |
242 ms |
10616 KB |
Output is correct |
25 |
Correct |
243 ms |
10744 KB |
Output is correct |
26 |
Correct |
246 ms |
10848 KB |
Output is correct |
27 |
Correct |
248 ms |
10872 KB |
Output is correct |
28 |
Correct |
243 ms |
10744 KB |
Output is correct |
29 |
Correct |
248 ms |
10872 KB |
Output is correct |
30 |
Correct |
247 ms |
10872 KB |
Output is correct |
31 |
Correct |
5 ms |
376 KB |
Output is correct |
32 |
Correct |
5 ms |
376 KB |
Output is correct |
33 |
Correct |
5 ms |
380 KB |
Output is correct |
34 |
Correct |
5 ms |
376 KB |
Output is correct |
35 |
Correct |
5 ms |
376 KB |
Output is correct |
36 |
Correct |
4 ms |
376 KB |
Output is correct |
37 |
Correct |
5 ms |
380 KB |
Output is correct |
38 |
Correct |
5 ms |
376 KB |
Output is correct |
39 |
Correct |
5 ms |
376 KB |
Output is correct |
40 |
Correct |
5 ms |
376 KB |
Output is correct |
41 |
Correct |
5 ms |
376 KB |
Output is correct |
42 |
Correct |
5 ms |
376 KB |
Output is correct |
43 |
Correct |
5 ms |
376 KB |
Output is correct |
44 |
Correct |
5 ms |
376 KB |
Output is correct |
45 |
Correct |
5 ms |
376 KB |
Output is correct |
46 |
Correct |
6 ms |
376 KB |
Output is correct |
47 |
Correct |
5 ms |
376 KB |
Output is correct |
48 |
Correct |
5 ms |
376 KB |
Output is correct |
49 |
Correct |
5 ms |
376 KB |
Output is correct |
50 |
Correct |
5 ms |
380 KB |
Output is correct |
51 |
Correct |
6 ms |
376 KB |
Output is correct |
52 |
Correct |
7 ms |
376 KB |
Output is correct |
53 |
Correct |
6 ms |
376 KB |
Output is correct |
54 |
Correct |
6 ms |
248 KB |
Output is correct |
55 |
Correct |
6 ms |
376 KB |
Output is correct |
56 |
Correct |
6 ms |
376 KB |
Output is correct |
57 |
Correct |
6 ms |
376 KB |
Output is correct |
58 |
Correct |
6 ms |
376 KB |
Output is correct |
59 |
Correct |
6 ms |
376 KB |
Output is correct |
60 |
Correct |
6 ms |
376 KB |
Output is correct |
61 |
Correct |
284 ms |
10616 KB |
Output is correct |
62 |
Correct |
307 ms |
10872 KB |
Output is correct |
63 |
Correct |
247 ms |
10616 KB |
Output is correct |
64 |
Correct |
283 ms |
10872 KB |
Output is correct |
65 |
Correct |
285 ms |
10872 KB |
Output is correct |
66 |
Correct |
272 ms |
10744 KB |
Output is correct |
67 |
Correct |
274 ms |
10620 KB |
Output is correct |
68 |
Correct |
246 ms |
10876 KB |
Output is correct |
69 |
Correct |
242 ms |
10616 KB |
Output is correct |
70 |
Correct |
237 ms |
10488 KB |
Output is correct |