#include <bits/stdc++.h>
#define fr first
#define sc second
#define pb push_back
#define mk make_pair
#define all(s) s.begin(), s.end()
using namespace std;
const int N = 1e5 + 5;
int n, k, a[N];
long long dp[N][105];
vector <pair< pair<int, long long>, long long> > vec;
int main() {
cin >> n >> k;
for (int i = 1; i <= n; i++) {
scanf("%d", &a[i]);
}
memset(dp, 0x3f3f3f3f, sizeof(dp));
dp[0][0] = 0;
for (int j = 1; j <= k; j++) {
vec.clear();
for (int i = 1; i <= n; i++) {
long long mn = dp[i - 1][j - 1];
while (!vec.empty() && vec.back().fr.fr <= a[i]) {
mn = min(mn, vec.back().fr.sc);
vec.pop_back();
}
long long val = a[i] + mn;
if (!vec.empty())
val = min(val, vec.back().sc);
vec.pb({{a[i], mn}, val});
dp[i][j] = val;
}
}
cout << dp[n][k]<< endl;
}
Compilation message
blocks.cpp: In function 'int main()':
blocks.cpp:22:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
scanf("%d", &a[i]);
~~~~~^~~~~~~~~~~~~
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
45 ms |
82556 KB |
Output is correct |
2 |
Correct |
45 ms |
82552 KB |
Output is correct |
3 |
Correct |
47 ms |
82552 KB |
Output is correct |
4 |
Correct |
44 ms |
82552 KB |
Output is correct |
5 |
Correct |
47 ms |
82552 KB |
Output is correct |
6 |
Correct |
46 ms |
82552 KB |
Output is correct |
7 |
Correct |
45 ms |
82552 KB |
Output is correct |
8 |
Correct |
44 ms |
82552 KB |
Output is correct |
9 |
Correct |
44 ms |
82552 KB |
Output is correct |
10 |
Correct |
47 ms |
82552 KB |
Output is correct |
11 |
Correct |
46 ms |
82552 KB |
Output is correct |
12 |
Correct |
45 ms |
82552 KB |
Output is correct |
13 |
Correct |
45 ms |
82552 KB |
Output is correct |
14 |
Correct |
46 ms |
82552 KB |
Output is correct |
15 |
Correct |
47 ms |
82552 KB |
Output is correct |
16 |
Correct |
45 ms |
82552 KB |
Output is correct |
17 |
Correct |
46 ms |
82552 KB |
Output is correct |
18 |
Correct |
46 ms |
82560 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
45 ms |
82552 KB |
Output is correct |
2 |
Correct |
45 ms |
82552 KB |
Output is correct |
3 |
Correct |
45 ms |
82552 KB |
Output is correct |
4 |
Correct |
45 ms |
82552 KB |
Output is correct |
5 |
Correct |
47 ms |
82560 KB |
Output is correct |
6 |
Correct |
44 ms |
82552 KB |
Output is correct |
7 |
Correct |
46 ms |
82552 KB |
Output is correct |
8 |
Correct |
45 ms |
82552 KB |
Output is correct |
9 |
Correct |
45 ms |
82552 KB |
Output is correct |
10 |
Correct |
45 ms |
82552 KB |
Output is correct |
11 |
Correct |
44 ms |
82552 KB |
Output is correct |
12 |
Correct |
44 ms |
82552 KB |
Output is correct |
13 |
Correct |
45 ms |
82552 KB |
Output is correct |
14 |
Correct |
45 ms |
82556 KB |
Output is correct |
15 |
Correct |
46 ms |
82552 KB |
Output is correct |
16 |
Correct |
44 ms |
82556 KB |
Output is correct |
17 |
Correct |
47 ms |
82552 KB |
Output is correct |
18 |
Correct |
50 ms |
82552 KB |
Output is correct |
19 |
Correct |
46 ms |
82552 KB |
Output is correct |
20 |
Correct |
45 ms |
82560 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
44 ms |
82560 KB |
Output is correct |
2 |
Correct |
45 ms |
82552 KB |
Output is correct |
3 |
Correct |
44 ms |
82552 KB |
Output is correct |
4 |
Correct |
45 ms |
82552 KB |
Output is correct |
5 |
Correct |
45 ms |
82560 KB |
Output is correct |
6 |
Correct |
44 ms |
82552 KB |
Output is correct |
7 |
Correct |
45 ms |
82552 KB |
Output is correct |
8 |
Correct |
45 ms |
82552 KB |
Output is correct |
9 |
Correct |
46 ms |
82552 KB |
Output is correct |
10 |
Correct |
44 ms |
82552 KB |
Output is correct |
11 |
Correct |
46 ms |
82552 KB |
Output is correct |
12 |
Correct |
45 ms |
82552 KB |
Output is correct |
13 |
Correct |
45 ms |
82552 KB |
Output is correct |
14 |
Correct |
46 ms |
82484 KB |
Output is correct |
15 |
Correct |
46 ms |
82552 KB |
Output is correct |
16 |
Correct |
46 ms |
82552 KB |
Output is correct |
17 |
Correct |
46 ms |
82552 KB |
Output is correct |
18 |
Correct |
45 ms |
82560 KB |
Output is correct |
19 |
Correct |
46 ms |
82572 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
51 ms |
82552 KB |
Output is correct |
2 |
Correct |
52 ms |
82940 KB |
Output is correct |
3 |
Correct |
56 ms |
82944 KB |
Output is correct |
4 |
Correct |
126 ms |
83192 KB |
Output is correct |
5 |
Correct |
295 ms |
83576 KB |
Output is correct |
6 |
Correct |
65 ms |
83576 KB |
Output is correct |
7 |
Correct |
166 ms |
83576 KB |
Output is correct |
8 |
Correct |
45 ms |
82552 KB |
Output is correct |
9 |
Correct |
45 ms |
82556 KB |
Output is correct |
10 |
Correct |
47 ms |
82552 KB |
Output is correct |
11 |
Correct |
46 ms |
82552 KB |
Output is correct |
12 |
Correct |
46 ms |
82552 KB |
Output is correct |
13 |
Correct |
47 ms |
82552 KB |
Output is correct |
14 |
Correct |
66 ms |
82552 KB |
Output is correct |
15 |
Correct |
47 ms |
82552 KB |
Output is correct |
16 |
Correct |
53 ms |
82552 KB |
Output is correct |
17 |
Correct |
54 ms |
82936 KB |
Output is correct |
18 |
Correct |
59 ms |
83064 KB |
Output is correct |
19 |
Correct |
128 ms |
83064 KB |
Output is correct |
20 |
Correct |
333 ms |
83704 KB |
Output is correct |
21 |
Correct |
68 ms |
83576 KB |
Output is correct |
22 |
Correct |
191 ms |
83576 KB |
Output is correct |
23 |
Correct |
61 ms |
83576 KB |
Output is correct |
24 |
Correct |
86 ms |
83576 KB |
Output is correct |
25 |
Correct |
326 ms |
83704 KB |
Output is correct |
26 |
Correct |
46 ms |
82552 KB |
Output is correct |
27 |
Correct |
44 ms |
82552 KB |
Output is correct |
28 |
Correct |
67 ms |
82812 KB |
Output is correct |
29 |
Correct |
47 ms |
82808 KB |
Output is correct |
30 |
Correct |
51 ms |
82808 KB |
Output is correct |
31 |
Correct |
52 ms |
83564 KB |
Output is correct |
32 |
Correct |
58 ms |
83512 KB |
Output is correct |
33 |
Correct |
124 ms |
83560 KB |
Output is correct |
34 |
Correct |
322 ms |
85232 KB |
Output is correct |
35 |
Correct |
68 ms |
85232 KB |
Output is correct |
36 |
Correct |
180 ms |
85232 KB |
Output is correct |
37 |
Correct |
49 ms |
82680 KB |
Output is correct |
38 |
Correct |
64 ms |
82676 KB |
Output is correct |
39 |
Correct |
45 ms |
82552 KB |
Output is correct |
40 |
Correct |
45 ms |
82556 KB |
Output is correct |
41 |
Correct |
45 ms |
82552 KB |
Output is correct |
42 |
Correct |
45 ms |
82552 KB |
Output is correct |