#include<bits/stdc++.h>
#define int long long
#define f first
#define s second
#define pii pair<int,int>
using namespace std;
const int N = 2e5 + 5, K = 105, inf = 1e18; // !
int t, n, k, dp[N][K], a[N];
stack<pii> st;
main(){
cin >> n >> k;
for(int i = 1; i <= n; i++) cin >> a[i], dp[i][0] = max(a[i], dp[i - 1][0]);
st.push({dp[n][0], 0});
for(int i = 1; i < k; i++) {
while(st.size()) st.pop();
for(int j = i + 1; j <= n; j++) {
int last = inf;
while(st.size() && st.top().f <= a[j]) {
last = min(last, st.top().s);
// x1 < x2
// x1 + y1 < x2 + y2
st.pop();
}
last = min(last, dp[j - 1][i - 1]);
if(!st.size() || st.top().f + st.top().s > last + a[j]) st.push({a[j], last});
dp[j][i] = st.top().f + st.top().s;
}
}
cout << st.top().f + st.top().s;
}
Compilation message
blocks.cpp:10:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
10 | main(){
| ^~~~
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
204 KB |
Output is correct |
2 |
Correct |
0 ms |
204 KB |
Output is correct |
3 |
Correct |
0 ms |
204 KB |
Output is correct |
4 |
Correct |
0 ms |
204 KB |
Output is correct |
5 |
Correct |
0 ms |
204 KB |
Output is correct |
6 |
Correct |
0 ms |
204 KB |
Output is correct |
7 |
Correct |
0 ms |
204 KB |
Output is correct |
8 |
Correct |
0 ms |
204 KB |
Output is correct |
9 |
Correct |
0 ms |
204 KB |
Output is correct |
10 |
Correct |
1 ms |
204 KB |
Output is correct |
11 |
Correct |
1 ms |
204 KB |
Output is correct |
12 |
Correct |
1 ms |
332 KB |
Output is correct |
13 |
Correct |
1 ms |
332 KB |
Output is correct |
14 |
Correct |
0 ms |
332 KB |
Output is correct |
15 |
Correct |
0 ms |
332 KB |
Output is correct |
16 |
Correct |
1 ms |
332 KB |
Output is correct |
17 |
Correct |
1 ms |
296 KB |
Output is correct |
18 |
Correct |
0 ms |
332 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
204 KB |
Output is correct |
2 |
Correct |
0 ms |
204 KB |
Output is correct |
3 |
Correct |
0 ms |
204 KB |
Output is correct |
4 |
Correct |
0 ms |
204 KB |
Output is correct |
5 |
Correct |
1 ms |
204 KB |
Output is correct |
6 |
Correct |
0 ms |
204 KB |
Output is correct |
7 |
Correct |
0 ms |
204 KB |
Output is correct |
8 |
Correct |
0 ms |
204 KB |
Output is correct |
9 |
Correct |
0 ms |
204 KB |
Output is correct |
10 |
Correct |
0 ms |
204 KB |
Output is correct |
11 |
Correct |
0 ms |
204 KB |
Output is correct |
12 |
Correct |
0 ms |
204 KB |
Output is correct |
13 |
Correct |
1 ms |
204 KB |
Output is correct |
14 |
Correct |
1 ms |
204 KB |
Output is correct |
15 |
Correct |
0 ms |
204 KB |
Output is correct |
16 |
Correct |
1 ms |
308 KB |
Output is correct |
17 |
Correct |
1 ms |
332 KB |
Output is correct |
18 |
Correct |
0 ms |
304 KB |
Output is correct |
19 |
Correct |
0 ms |
332 KB |
Output is correct |
20 |
Correct |
1 ms |
332 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
204 KB |
Output is correct |
2 |
Correct |
0 ms |
204 KB |
Output is correct |
3 |
Correct |
0 ms |
204 KB |
Output is correct |
4 |
Correct |
0 ms |
204 KB |
Output is correct |
5 |
Correct |
0 ms |
204 KB |
Output is correct |
6 |
Correct |
0 ms |
204 KB |
Output is correct |
7 |
Correct |
0 ms |
204 KB |
Output is correct |
8 |
Correct |
0 ms |
204 KB |
Output is correct |
9 |
Correct |
0 ms |
204 KB |
Output is correct |
10 |
Correct |
1 ms |
204 KB |
Output is correct |
11 |
Correct |
1 ms |
204 KB |
Output is correct |
12 |
Correct |
1 ms |
332 KB |
Output is correct |
13 |
Correct |
1 ms |
332 KB |
Output is correct |
14 |
Correct |
0 ms |
332 KB |
Output is correct |
15 |
Correct |
0 ms |
332 KB |
Output is correct |
16 |
Correct |
1 ms |
332 KB |
Output is correct |
17 |
Correct |
1 ms |
296 KB |
Output is correct |
18 |
Correct |
0 ms |
332 KB |
Output is correct |
19 |
Correct |
0 ms |
204 KB |
Output is correct |
20 |
Correct |
0 ms |
204 KB |
Output is correct |
21 |
Correct |
0 ms |
204 KB |
Output is correct |
22 |
Correct |
0 ms |
204 KB |
Output is correct |
23 |
Correct |
1 ms |
204 KB |
Output is correct |
24 |
Correct |
0 ms |
204 KB |
Output is correct |
25 |
Correct |
0 ms |
204 KB |
Output is correct |
26 |
Correct |
0 ms |
204 KB |
Output is correct |
27 |
Correct |
0 ms |
204 KB |
Output is correct |
28 |
Correct |
0 ms |
204 KB |
Output is correct |
29 |
Correct |
0 ms |
204 KB |
Output is correct |
30 |
Correct |
0 ms |
204 KB |
Output is correct |
31 |
Correct |
1 ms |
204 KB |
Output is correct |
32 |
Correct |
1 ms |
204 KB |
Output is correct |
33 |
Correct |
0 ms |
204 KB |
Output is correct |
34 |
Correct |
1 ms |
308 KB |
Output is correct |
35 |
Correct |
1 ms |
332 KB |
Output is correct |
36 |
Correct |
0 ms |
304 KB |
Output is correct |
37 |
Correct |
0 ms |
332 KB |
Output is correct |
38 |
Correct |
1 ms |
332 KB |
Output is correct |
39 |
Correct |
1 ms |
332 KB |
Output is correct |
40 |
Correct |
0 ms |
204 KB |
Output is correct |
41 |
Correct |
0 ms |
300 KB |
Output is correct |
42 |
Correct |
1 ms |
204 KB |
Output is correct |
43 |
Correct |
1 ms |
204 KB |
Output is correct |
44 |
Correct |
1 ms |
204 KB |
Output is correct |
45 |
Correct |
0 ms |
204 KB |
Output is correct |
46 |
Correct |
0 ms |
204 KB |
Output is correct |
47 |
Correct |
0 ms |
204 KB |
Output is correct |
48 |
Correct |
0 ms |
304 KB |
Output is correct |
49 |
Correct |
0 ms |
296 KB |
Output is correct |
50 |
Correct |
0 ms |
204 KB |
Output is correct |
51 |
Correct |
0 ms |
292 KB |
Output is correct |
52 |
Correct |
0 ms |
332 KB |
Output is correct |
53 |
Correct |
1 ms |
304 KB |
Output is correct |
54 |
Correct |
1 ms |
308 KB |
Output is correct |
55 |
Correct |
0 ms |
332 KB |
Output is correct |
56 |
Correct |
0 ms |
332 KB |
Output is correct |
57 |
Correct |
1 ms |
332 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
204 KB |
Output is correct |
2 |
Correct |
0 ms |
204 KB |
Output is correct |
3 |
Correct |
0 ms |
204 KB |
Output is correct |
4 |
Correct |
0 ms |
204 KB |
Output is correct |
5 |
Correct |
0 ms |
204 KB |
Output is correct |
6 |
Correct |
0 ms |
204 KB |
Output is correct |
7 |
Correct |
0 ms |
204 KB |
Output is correct |
8 |
Correct |
0 ms |
204 KB |
Output is correct |
9 |
Correct |
0 ms |
204 KB |
Output is correct |
10 |
Correct |
1 ms |
204 KB |
Output is correct |
11 |
Correct |
1 ms |
204 KB |
Output is correct |
12 |
Correct |
1 ms |
332 KB |
Output is correct |
13 |
Correct |
1 ms |
332 KB |
Output is correct |
14 |
Correct |
0 ms |
332 KB |
Output is correct |
15 |
Correct |
0 ms |
332 KB |
Output is correct |
16 |
Correct |
1 ms |
332 KB |
Output is correct |
17 |
Correct |
1 ms |
296 KB |
Output is correct |
18 |
Correct |
0 ms |
332 KB |
Output is correct |
19 |
Correct |
0 ms |
204 KB |
Output is correct |
20 |
Correct |
0 ms |
204 KB |
Output is correct |
21 |
Correct |
0 ms |
204 KB |
Output is correct |
22 |
Correct |
0 ms |
204 KB |
Output is correct |
23 |
Correct |
1 ms |
204 KB |
Output is correct |
24 |
Correct |
0 ms |
204 KB |
Output is correct |
25 |
Correct |
0 ms |
204 KB |
Output is correct |
26 |
Correct |
0 ms |
204 KB |
Output is correct |
27 |
Correct |
0 ms |
204 KB |
Output is correct |
28 |
Correct |
0 ms |
204 KB |
Output is correct |
29 |
Correct |
0 ms |
204 KB |
Output is correct |
30 |
Correct |
0 ms |
204 KB |
Output is correct |
31 |
Correct |
1 ms |
204 KB |
Output is correct |
32 |
Correct |
1 ms |
204 KB |
Output is correct |
33 |
Correct |
0 ms |
204 KB |
Output is correct |
34 |
Correct |
1 ms |
308 KB |
Output is correct |
35 |
Correct |
1 ms |
332 KB |
Output is correct |
36 |
Correct |
0 ms |
304 KB |
Output is correct |
37 |
Correct |
0 ms |
332 KB |
Output is correct |
38 |
Correct |
1 ms |
332 KB |
Output is correct |
39 |
Correct |
1 ms |
332 KB |
Output is correct |
40 |
Correct |
0 ms |
204 KB |
Output is correct |
41 |
Correct |
0 ms |
300 KB |
Output is correct |
42 |
Correct |
1 ms |
204 KB |
Output is correct |
43 |
Correct |
1 ms |
204 KB |
Output is correct |
44 |
Correct |
1 ms |
204 KB |
Output is correct |
45 |
Correct |
0 ms |
204 KB |
Output is correct |
46 |
Correct |
0 ms |
204 KB |
Output is correct |
47 |
Correct |
0 ms |
204 KB |
Output is correct |
48 |
Correct |
0 ms |
304 KB |
Output is correct |
49 |
Correct |
0 ms |
296 KB |
Output is correct |
50 |
Correct |
0 ms |
204 KB |
Output is correct |
51 |
Correct |
0 ms |
292 KB |
Output is correct |
52 |
Correct |
0 ms |
332 KB |
Output is correct |
53 |
Correct |
1 ms |
304 KB |
Output is correct |
54 |
Correct |
1 ms |
308 KB |
Output is correct |
55 |
Correct |
0 ms |
332 KB |
Output is correct |
56 |
Correct |
0 ms |
332 KB |
Output is correct |
57 |
Correct |
1 ms |
332 KB |
Output is correct |
58 |
Correct |
12 ms |
8616 KB |
Output is correct |
59 |
Correct |
37 ms |
37380 KB |
Output is correct |
60 |
Correct |
32 ms |
37352 KB |
Output is correct |
61 |
Correct |
84 ms |
37464 KB |
Output is correct |
62 |
Correct |
244 ms |
84008 KB |
Output is correct |
63 |
Correct |
78 ms |
83908 KB |
Output is correct |
64 |
Correct |
161 ms |
84024 KB |
Output is correct |
65 |
Correct |
1 ms |
332 KB |
Output is correct |
66 |
Correct |
1 ms |
332 KB |
Output is correct |
67 |
Correct |
1 ms |
296 KB |
Output is correct |
68 |
Correct |
1 ms |
332 KB |
Output is correct |
69 |
Correct |
1 ms |
1100 KB |
Output is correct |
70 |
Correct |
1 ms |
1076 KB |
Output is correct |
71 |
Correct |
18 ms |
8652 KB |
Output is correct |
72 |
Correct |
7 ms |
8652 KB |
Output is correct |
73 |
Correct |
9 ms |
8556 KB |
Output is correct |
74 |
Correct |
29 ms |
37372 KB |
Output is correct |
75 |
Correct |
32 ms |
37444 KB |
Output is correct |
76 |
Correct |
64 ms |
37460 KB |
Output is correct |
77 |
Correct |
215 ms |
83860 KB |
Output is correct |
78 |
Correct |
61 ms |
83940 KB |
Output is correct |
79 |
Correct |
138 ms |
83892 KB |
Output is correct |
80 |
Correct |
56 ms |
83888 KB |
Output is correct |
81 |
Correct |
71 ms |
83936 KB |
Output is correct |
82 |
Correct |
272 ms |
83844 KB |
Output is correct |
83 |
Correct |
1 ms |
1080 KB |
Output is correct |
84 |
Correct |
1 ms |
1100 KB |
Output is correct |
85 |
Correct |
25 ms |
8712 KB |
Output is correct |
86 |
Correct |
6 ms |
8628 KB |
Output is correct |
87 |
Correct |
10 ms |
8652 KB |
Output is correct |
88 |
Correct |
26 ms |
37440 KB |
Output is correct |
89 |
Correct |
35 ms |
37676 KB |
Output is correct |
90 |
Correct |
101 ms |
37636 KB |
Output is correct |
91 |
Correct |
296 ms |
84524 KB |
Output is correct |
92 |
Correct |
60 ms |
84472 KB |
Output is correct |
93 |
Correct |
186 ms |
84644 KB |
Output is correct |
94 |
Correct |
7 ms |
8652 KB |
Output is correct |
95 |
Correct |
18 ms |
8636 KB |
Output is correct |
96 |
Correct |
1 ms |
1072 KB |
Output is correct |
97 |
Correct |
1 ms |
1100 KB |
Output is correct |
98 |
Correct |
0 ms |
204 KB |
Output is correct |
99 |
Correct |
0 ms |
204 KB |
Output is correct |