#include <bits/stdc++.h>
#define file ""
#define all(x) x.begin(), x.end()
#define sc second
#define fr first
#define pb push_back
#define mp make_pair
using namespace std;
typedef long long ll;
typedef pair<int, int> pii;
const ll inf = 1e18 + 5;
const ll mod = 1e9 + 7;
const int N = 1e5 + 5;
int dx[] = {+1, 0, -1, 0};
int dy[] = {0, +1, 0, -1};
int n, k;
int dp[N][105], a[N];
int main() {
ios_base :: sync_with_stdio(false);
cin.tie(nullptr);
srand(time(nullptr));
cin >> n >> k;
memset(dp, 0x3f, sizeof(dp));
int mx = 0;
for (int i = 1; i <= n; i++) cin >> a[i], mx = max(mx, a[i]), dp[i][1] = mx;
for (int block = 2; block <= k; block++) {
stack<pii> s;
for (int i = 1; i <= n; i++) {
int opt = dp[i - 1][block - 1];
while (!s.empty() && s.top().fr < a[i]) {
opt = min(opt, s.top().sc);
s.pop();
}
if (s.empty() || a[i] + opt < s.top().fr + s.top().sc)
s.push({a[i], opt});
if (i >= block) dp[i][block] = s.top().fr + s.top().sc;
}
}
cout << dp[n][k];
return 0;
}
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
20 ms |
41452 KB |
Output is correct |
| 2 |
Correct |
20 ms |
41452 KB |
Output is correct |
| 3 |
Correct |
19 ms |
41452 KB |
Output is correct |
| 4 |
Correct |
20 ms |
41452 KB |
Output is correct |
| 5 |
Correct |
19 ms |
41452 KB |
Output is correct |
| 6 |
Correct |
20 ms |
41452 KB |
Output is correct |
| 7 |
Correct |
20 ms |
41452 KB |
Output is correct |
| 8 |
Correct |
19 ms |
41452 KB |
Output is correct |
| 9 |
Correct |
20 ms |
41388 KB |
Output is correct |
| 10 |
Correct |
20 ms |
41452 KB |
Output is correct |
| 11 |
Correct |
20 ms |
41452 KB |
Output is correct |
| 12 |
Correct |
20 ms |
41452 KB |
Output is correct |
| 13 |
Correct |
20 ms |
41452 KB |
Output is correct |
| 14 |
Correct |
20 ms |
41452 KB |
Output is correct |
| 15 |
Correct |
20 ms |
41452 KB |
Output is correct |
| 16 |
Correct |
20 ms |
41452 KB |
Output is correct |
| 17 |
Correct |
19 ms |
41452 KB |
Output is correct |
| 18 |
Correct |
20 ms |
41452 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
20 ms |
41452 KB |
Output is correct |
| 2 |
Correct |
20 ms |
41452 KB |
Output is correct |
| 3 |
Correct |
21 ms |
41580 KB |
Output is correct |
| 4 |
Correct |
21 ms |
41452 KB |
Output is correct |
| 5 |
Correct |
20 ms |
41452 KB |
Output is correct |
| 6 |
Correct |
19 ms |
41452 KB |
Output is correct |
| 7 |
Correct |
20 ms |
41452 KB |
Output is correct |
| 8 |
Correct |
20 ms |
41452 KB |
Output is correct |
| 9 |
Correct |
21 ms |
41580 KB |
Output is correct |
| 10 |
Correct |
19 ms |
41452 KB |
Output is correct |
| 11 |
Correct |
20 ms |
41452 KB |
Output is correct |
| 12 |
Correct |
20 ms |
41452 KB |
Output is correct |
| 13 |
Correct |
19 ms |
41452 KB |
Output is correct |
| 14 |
Correct |
20 ms |
41452 KB |
Output is correct |
| 15 |
Correct |
20 ms |
41452 KB |
Output is correct |
| 16 |
Correct |
20 ms |
41580 KB |
Output is correct |
| 17 |
Correct |
19 ms |
41452 KB |
Output is correct |
| 18 |
Correct |
20 ms |
41452 KB |
Output is correct |
| 19 |
Correct |
21 ms |
41452 KB |
Output is correct |
| 20 |
Correct |
20 ms |
41452 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
20 ms |
41452 KB |
Output is correct |
| 2 |
Correct |
20 ms |
41452 KB |
Output is correct |
| 3 |
Correct |
19 ms |
41452 KB |
Output is correct |
| 4 |
Correct |
20 ms |
41452 KB |
Output is correct |
| 5 |
Correct |
19 ms |
41452 KB |
Output is correct |
| 6 |
Correct |
20 ms |
41452 KB |
Output is correct |
| 7 |
Correct |
20 ms |
41452 KB |
Output is correct |
| 8 |
Correct |
19 ms |
41452 KB |
Output is correct |
| 9 |
Correct |
20 ms |
41388 KB |
Output is correct |
| 10 |
Correct |
20 ms |
41452 KB |
Output is correct |
| 11 |
Correct |
20 ms |
41452 KB |
Output is correct |
| 12 |
Correct |
20 ms |
41452 KB |
Output is correct |
| 13 |
Correct |
20 ms |
41452 KB |
Output is correct |
| 14 |
Correct |
20 ms |
41452 KB |
Output is correct |
| 15 |
Correct |
20 ms |
41452 KB |
Output is correct |
| 16 |
Correct |
20 ms |
41452 KB |
Output is correct |
| 17 |
Correct |
19 ms |
41452 KB |
Output is correct |
| 18 |
Correct |
20 ms |
41452 KB |
Output is correct |
| 19 |
Correct |
20 ms |
41452 KB |
Output is correct |
| 20 |
Correct |
20 ms |
41452 KB |
Output is correct |
| 21 |
Correct |
21 ms |
41580 KB |
Output is correct |
| 22 |
Correct |
21 ms |
41452 KB |
Output is correct |
| 23 |
Correct |
20 ms |
41452 KB |
Output is correct |
| 24 |
Correct |
19 ms |
41452 KB |
Output is correct |
| 25 |
Correct |
20 ms |
41452 KB |
Output is correct |
| 26 |
Correct |
20 ms |
41452 KB |
Output is correct |
| 27 |
Correct |
21 ms |
41580 KB |
Output is correct |
| 28 |
Correct |
19 ms |
41452 KB |
Output is correct |
| 29 |
Correct |
20 ms |
41452 KB |
Output is correct |
| 30 |
Correct |
20 ms |
41452 KB |
Output is correct |
| 31 |
Correct |
19 ms |
41452 KB |
Output is correct |
| 32 |
Correct |
20 ms |
41452 KB |
Output is correct |
| 33 |
Correct |
20 ms |
41452 KB |
Output is correct |
| 34 |
Correct |
20 ms |
41580 KB |
Output is correct |
| 35 |
Correct |
19 ms |
41452 KB |
Output is correct |
| 36 |
Correct |
20 ms |
41452 KB |
Output is correct |
| 37 |
Correct |
21 ms |
41452 KB |
Output is correct |
| 38 |
Correct |
20 ms |
41452 KB |
Output is correct |
| 39 |
Correct |
22 ms |
41452 KB |
Output is correct |
| 40 |
Correct |
22 ms |
41452 KB |
Output is correct |
| 41 |
Correct |
21 ms |
41452 KB |
Output is correct |
| 42 |
Correct |
20 ms |
41452 KB |
Output is correct |
| 43 |
Correct |
20 ms |
41452 KB |
Output is correct |
| 44 |
Correct |
19 ms |
41472 KB |
Output is correct |
| 45 |
Correct |
21 ms |
41452 KB |
Output is correct |
| 46 |
Correct |
20 ms |
41452 KB |
Output is correct |
| 47 |
Correct |
20 ms |
41452 KB |
Output is correct |
| 48 |
Correct |
20 ms |
41452 KB |
Output is correct |
| 49 |
Correct |
20 ms |
41452 KB |
Output is correct |
| 50 |
Correct |
20 ms |
41452 KB |
Output is correct |
| 51 |
Correct |
20 ms |
41452 KB |
Output is correct |
| 52 |
Correct |
19 ms |
41472 KB |
Output is correct |
| 53 |
Correct |
20 ms |
41464 KB |
Output is correct |
| 54 |
Correct |
20 ms |
41452 KB |
Output is correct |
| 55 |
Correct |
20 ms |
41452 KB |
Output is correct |
| 56 |
Correct |
20 ms |
41452 KB |
Output is correct |
| 57 |
Correct |
20 ms |
41452 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
20 ms |
41452 KB |
Output is correct |
| 2 |
Correct |
20 ms |
41452 KB |
Output is correct |
| 3 |
Correct |
19 ms |
41452 KB |
Output is correct |
| 4 |
Correct |
20 ms |
41452 KB |
Output is correct |
| 5 |
Correct |
19 ms |
41452 KB |
Output is correct |
| 6 |
Correct |
20 ms |
41452 KB |
Output is correct |
| 7 |
Correct |
20 ms |
41452 KB |
Output is correct |
| 8 |
Correct |
19 ms |
41452 KB |
Output is correct |
| 9 |
Correct |
20 ms |
41388 KB |
Output is correct |
| 10 |
Correct |
20 ms |
41452 KB |
Output is correct |
| 11 |
Correct |
20 ms |
41452 KB |
Output is correct |
| 12 |
Correct |
20 ms |
41452 KB |
Output is correct |
| 13 |
Correct |
20 ms |
41452 KB |
Output is correct |
| 14 |
Correct |
20 ms |
41452 KB |
Output is correct |
| 15 |
Correct |
20 ms |
41452 KB |
Output is correct |
| 16 |
Correct |
20 ms |
41452 KB |
Output is correct |
| 17 |
Correct |
19 ms |
41452 KB |
Output is correct |
| 18 |
Correct |
20 ms |
41452 KB |
Output is correct |
| 19 |
Correct |
20 ms |
41452 KB |
Output is correct |
| 20 |
Correct |
20 ms |
41452 KB |
Output is correct |
| 21 |
Correct |
21 ms |
41580 KB |
Output is correct |
| 22 |
Correct |
21 ms |
41452 KB |
Output is correct |
| 23 |
Correct |
20 ms |
41452 KB |
Output is correct |
| 24 |
Correct |
19 ms |
41452 KB |
Output is correct |
| 25 |
Correct |
20 ms |
41452 KB |
Output is correct |
| 26 |
Correct |
20 ms |
41452 KB |
Output is correct |
| 27 |
Correct |
21 ms |
41580 KB |
Output is correct |
| 28 |
Correct |
19 ms |
41452 KB |
Output is correct |
| 29 |
Correct |
20 ms |
41452 KB |
Output is correct |
| 30 |
Correct |
20 ms |
41452 KB |
Output is correct |
| 31 |
Correct |
19 ms |
41452 KB |
Output is correct |
| 32 |
Correct |
20 ms |
41452 KB |
Output is correct |
| 33 |
Correct |
20 ms |
41452 KB |
Output is correct |
| 34 |
Correct |
20 ms |
41580 KB |
Output is correct |
| 35 |
Correct |
19 ms |
41452 KB |
Output is correct |
| 36 |
Correct |
20 ms |
41452 KB |
Output is correct |
| 37 |
Correct |
21 ms |
41452 KB |
Output is correct |
| 38 |
Correct |
20 ms |
41452 KB |
Output is correct |
| 39 |
Correct |
22 ms |
41452 KB |
Output is correct |
| 40 |
Correct |
22 ms |
41452 KB |
Output is correct |
| 41 |
Correct |
21 ms |
41452 KB |
Output is correct |
| 42 |
Correct |
20 ms |
41452 KB |
Output is correct |
| 43 |
Correct |
20 ms |
41452 KB |
Output is correct |
| 44 |
Correct |
19 ms |
41472 KB |
Output is correct |
| 45 |
Correct |
21 ms |
41452 KB |
Output is correct |
| 46 |
Correct |
20 ms |
41452 KB |
Output is correct |
| 47 |
Correct |
20 ms |
41452 KB |
Output is correct |
| 48 |
Correct |
20 ms |
41452 KB |
Output is correct |
| 49 |
Correct |
20 ms |
41452 KB |
Output is correct |
| 50 |
Correct |
20 ms |
41452 KB |
Output is correct |
| 51 |
Correct |
20 ms |
41452 KB |
Output is correct |
| 52 |
Correct |
19 ms |
41472 KB |
Output is correct |
| 53 |
Correct |
20 ms |
41464 KB |
Output is correct |
| 54 |
Correct |
20 ms |
41452 KB |
Output is correct |
| 55 |
Correct |
20 ms |
41452 KB |
Output is correct |
| 56 |
Correct |
20 ms |
41452 KB |
Output is correct |
| 57 |
Correct |
20 ms |
41452 KB |
Output is correct |
| 58 |
Correct |
24 ms |
41580 KB |
Output is correct |
| 59 |
Correct |
26 ms |
41964 KB |
Output is correct |
| 60 |
Correct |
30 ms |
41964 KB |
Output is correct |
| 61 |
Correct |
68 ms |
41984 KB |
Output is correct |
| 62 |
Correct |
210 ms |
42476 KB |
Output is correct |
| 63 |
Correct |
38 ms |
42476 KB |
Output is correct |
| 64 |
Correct |
110 ms |
42568 KB |
Output is correct |
| 65 |
Correct |
20 ms |
41452 KB |
Output is correct |
| 66 |
Correct |
20 ms |
41452 KB |
Output is correct |
| 67 |
Correct |
20 ms |
41452 KB |
Output is correct |
| 68 |
Correct |
20 ms |
41452 KB |
Output is correct |
| 69 |
Correct |
20 ms |
41324 KB |
Output is correct |
| 70 |
Correct |
20 ms |
41452 KB |
Output is correct |
| 71 |
Correct |
32 ms |
41580 KB |
Output is correct |
| 72 |
Correct |
21 ms |
41580 KB |
Output is correct |
| 73 |
Correct |
24 ms |
41580 KB |
Output is correct |
| 74 |
Correct |
26 ms |
41964 KB |
Output is correct |
| 75 |
Correct |
30 ms |
41964 KB |
Output is correct |
| 76 |
Correct |
73 ms |
41968 KB |
Output is correct |
| 77 |
Correct |
232 ms |
42560 KB |
Output is correct |
| 78 |
Correct |
39 ms |
42604 KB |
Output is correct |
| 79 |
Correct |
132 ms |
42476 KB |
Output is correct |
| 80 |
Correct |
35 ms |
42476 KB |
Output is correct |
| 81 |
Correct |
53 ms |
42476 KB |
Output is correct |
| 82 |
Correct |
231 ms |
42604 KB |
Output is correct |
| 83 |
Correct |
20 ms |
41580 KB |
Output is correct |
| 84 |
Correct |
20 ms |
41452 KB |
Output is correct |
| 85 |
Correct |
37 ms |
41580 KB |
Output is correct |
| 86 |
Correct |
22 ms |
41580 KB |
Output is correct |
| 87 |
Correct |
25 ms |
41580 KB |
Output is correct |
| 88 |
Correct |
28 ms |
41964 KB |
Output is correct |
| 89 |
Correct |
31 ms |
42092 KB |
Output is correct |
| 90 |
Correct |
84 ms |
42132 KB |
Output is correct |
| 91 |
Correct |
268 ms |
42932 KB |
Output is correct |
| 92 |
Correct |
39 ms |
42860 KB |
Output is correct |
| 93 |
Correct |
141 ms |
42928 KB |
Output is correct |
| 94 |
Correct |
22 ms |
41580 KB |
Output is correct |
| 95 |
Correct |
32 ms |
41580 KB |
Output is correct |
| 96 |
Correct |
20 ms |
41452 KB |
Output is correct |
| 97 |
Correct |
21 ms |
41452 KB |
Output is correct |
| 98 |
Correct |
20 ms |
41452 KB |
Output is correct |
| 99 |
Correct |
20 ms |
41452 KB |
Output is correct |
