Submission #344205

# Submission time Handle Problem Language Result Execution time Memory
344205 2021-01-05T09:16:57 Z SeDunion K blocks (IZhO14_blocks) C++17
100 / 100
140 ms 3564 KB
#include<bits/stdc++.h>
using namespace std;
using ll = long long;
const int N = 1e5 + 6;
const ll INF = 1e15;

ll Old[N], New[N];
int a[N], sz;

pair<ll,ll> p[N];

int main() {
	ios_base::sync_with_stdio(0);
	cin.tie(0), cout.tie(0);
	int n, k;
	cin >> n >> k;
	for (int i = 1 ; i <= n ; ++ i) {
		cin >> a[i];
		Old[i] = max(Old[i - 1], (ll)a[i]);
	}
	for (int j = 2 ; j <= k ; ++ j) {
		sz = 0;
		for (int i = 1 ; i <= n ; ++ i) {
			ll Mn = j <= i ? Old[i - 1] : INF;
			while (sz && p[sz - 1].first <= a[i]) Mn = min(Mn, p[sz - 1].second), sz--;
			if (!sz || a[i] + Mn < p[sz - 1].first + p[sz - 1].second) sz++, p[sz - 1] = {a[i], Mn};
			New[i] = p[sz - 1].first + p[sz - 1].second;
		}
		swap(Old, New);
	}
	cout << Old[n];
}
# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 2 ms 1900 KB Output is correct
5 Correct 2 ms 1900 KB Output is correct
6 Correct 1 ms 364 KB Output is correct
7 Correct 2 ms 1920 KB Output is correct
8 Correct 2 ms 1920 KB Output is correct
9 Correct 2 ms 1900 KB Output is correct
10 Correct 3 ms 1900 KB Output is correct
11 Correct 3 ms 1900 KB Output is correct
12 Correct 1 ms 364 KB Output is correct
13 Correct 2 ms 1900 KB Output is correct
14 Correct 2 ms 1900 KB Output is correct
15 Correct 1 ms 364 KB Output is correct
16 Correct 2 ms 1900 KB Output is correct
17 Correct 1 ms 364 KB Output is correct
18 Correct 2 ms 1900 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 2 ms 2044 KB Output is correct
5 Correct 2 ms 1900 KB Output is correct
6 Correct 1 ms 364 KB Output is correct
7 Correct 2 ms 1900 KB Output is correct
8 Correct 2 ms 1900 KB Output is correct
9 Correct 2 ms 1900 KB Output is correct
10 Correct 2 ms 1900 KB Output is correct
11 Correct 2 ms 1900 KB Output is correct
12 Correct 2 ms 1900 KB Output is correct
13 Correct 2 ms 1900 KB Output is correct
14 Correct 3 ms 1900 KB Output is correct
15 Correct 3 ms 1900 KB Output is correct
16 Correct 3 ms 1900 KB Output is correct
17 Correct 3 ms 1900 KB Output is correct
18 Correct 3 ms 1900 KB Output is correct
19 Correct 4 ms 1900 KB Output is correct
20 Correct 4 ms 1900 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 2 ms 1900 KB Output is correct
5 Correct 2 ms 1900 KB Output is correct
6 Correct 1 ms 364 KB Output is correct
7 Correct 2 ms 1920 KB Output is correct
8 Correct 2 ms 1920 KB Output is correct
9 Correct 2 ms 1900 KB Output is correct
10 Correct 3 ms 1900 KB Output is correct
11 Correct 3 ms 1900 KB Output is correct
12 Correct 1 ms 364 KB Output is correct
13 Correct 2 ms 1900 KB Output is correct
14 Correct 2 ms 1900 KB Output is correct
15 Correct 1 ms 364 KB Output is correct
16 Correct 2 ms 1900 KB Output is correct
17 Correct 1 ms 364 KB Output is correct
18 Correct 2 ms 1900 KB Output is correct
19 Correct 1 ms 364 KB Output is correct
20 Correct 1 ms 364 KB Output is correct
21 Correct 1 ms 364 KB Output is correct
22 Correct 2 ms 2044 KB Output is correct
23 Correct 2 ms 1900 KB Output is correct
24 Correct 1 ms 364 KB Output is correct
25 Correct 2 ms 1900 KB Output is correct
26 Correct 2 ms 1900 KB Output is correct
27 Correct 2 ms 1900 KB Output is correct
28 Correct 2 ms 1900 KB Output is correct
29 Correct 2 ms 1900 KB Output is correct
30 Correct 2 ms 1900 KB Output is correct
31 Correct 2 ms 1900 KB Output is correct
32 Correct 3 ms 1900 KB Output is correct
33 Correct 3 ms 1900 KB Output is correct
34 Correct 3 ms 1900 KB Output is correct
35 Correct 3 ms 1900 KB Output is correct
36 Correct 3 ms 1900 KB Output is correct
37 Correct 4 ms 1900 KB Output is correct
38 Correct 4 ms 1900 KB Output is correct
39 Correct 7 ms 1900 KB Output is correct
40 Correct 1 ms 364 KB Output is correct
41 Correct 1 ms 364 KB Output is correct
42 Correct 1 ms 364 KB Output is correct
43 Correct 2 ms 1900 KB Output is correct
44 Correct 2 ms 1900 KB Output is correct
45 Correct 1 ms 364 KB Output is correct
46 Correct 2 ms 1900 KB Output is correct
47 Correct 2 ms 1900 KB Output is correct
48 Correct 2 ms 2048 KB Output is correct
49 Correct 2 ms 1900 KB Output is correct
50 Correct 2 ms 1900 KB Output is correct
51 Correct 4 ms 1900 KB Output is correct
52 Correct 5 ms 1900 KB Output is correct
53 Correct 15 ms 1900 KB Output is correct
54 Correct 13 ms 1900 KB Output is correct
55 Correct 7 ms 1900 KB Output is correct
56 Correct 13 ms 1900 KB Output is correct
57 Correct 13 ms 1900 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 2 ms 1900 KB Output is correct
5 Correct 2 ms 1900 KB Output is correct
6 Correct 1 ms 364 KB Output is correct
7 Correct 2 ms 1920 KB Output is correct
8 Correct 2 ms 1920 KB Output is correct
9 Correct 2 ms 1900 KB Output is correct
10 Correct 3 ms 1900 KB Output is correct
11 Correct 3 ms 1900 KB Output is correct
12 Correct 1 ms 364 KB Output is correct
13 Correct 2 ms 1900 KB Output is correct
14 Correct 2 ms 1900 KB Output is correct
15 Correct 1 ms 364 KB Output is correct
16 Correct 2 ms 1900 KB Output is correct
17 Correct 1 ms 364 KB Output is correct
18 Correct 2 ms 1900 KB Output is correct
19 Correct 1 ms 364 KB Output is correct
20 Correct 1 ms 364 KB Output is correct
21 Correct 1 ms 364 KB Output is correct
22 Correct 2 ms 2044 KB Output is correct
23 Correct 2 ms 1900 KB Output is correct
24 Correct 1 ms 364 KB Output is correct
25 Correct 2 ms 1900 KB Output is correct
26 Correct 2 ms 1900 KB Output is correct
27 Correct 2 ms 1900 KB Output is correct
28 Correct 2 ms 1900 KB Output is correct
29 Correct 2 ms 1900 KB Output is correct
30 Correct 2 ms 1900 KB Output is correct
31 Correct 2 ms 1900 KB Output is correct
32 Correct 3 ms 1900 KB Output is correct
33 Correct 3 ms 1900 KB Output is correct
34 Correct 3 ms 1900 KB Output is correct
35 Correct 3 ms 1900 KB Output is correct
36 Correct 3 ms 1900 KB Output is correct
37 Correct 4 ms 1900 KB Output is correct
38 Correct 4 ms 1900 KB Output is correct
39 Correct 7 ms 1900 KB Output is correct
40 Correct 1 ms 364 KB Output is correct
41 Correct 1 ms 364 KB Output is correct
42 Correct 1 ms 364 KB Output is correct
43 Correct 2 ms 1900 KB Output is correct
44 Correct 2 ms 1900 KB Output is correct
45 Correct 1 ms 364 KB Output is correct
46 Correct 2 ms 1900 KB Output is correct
47 Correct 2 ms 1900 KB Output is correct
48 Correct 2 ms 2048 KB Output is correct
49 Correct 2 ms 1900 KB Output is correct
50 Correct 2 ms 1900 KB Output is correct
51 Correct 4 ms 1900 KB Output is correct
52 Correct 5 ms 1900 KB Output is correct
53 Correct 15 ms 1900 KB Output is correct
54 Correct 13 ms 1900 KB Output is correct
55 Correct 7 ms 1900 KB Output is correct
56 Correct 13 ms 1900 KB Output is correct
57 Correct 13 ms 1900 KB Output is correct
58 Correct 7 ms 2028 KB Output is correct
59 Correct 5 ms 1132 KB Output is correct
60 Correct 8 ms 2412 KB Output is correct
61 Correct 39 ms 2412 KB Output is correct
62 Correct 98 ms 3052 KB Output is correct
63 Correct 13 ms 2924 KB Output is correct
64 Correct 50 ms 3052 KB Output is correct
65 Correct 5 ms 1920 KB Output is correct
66 Correct 7 ms 1900 KB Output is correct
67 Correct 9 ms 1900 KB Output is correct
68 Correct 7 ms 1900 KB Output is correct
69 Correct 1 ms 364 KB Output is correct
70 Correct 3 ms 1900 KB Output is correct
71 Correct 21 ms 2028 KB Output is correct
72 Correct 3 ms 2060 KB Output is correct
73 Correct 7 ms 2156 KB Output is correct
74 Correct 5 ms 1132 KB Output is correct
75 Correct 8 ms 2412 KB Output is correct
76 Correct 37 ms 2444 KB Output is correct
77 Correct 82 ms 2924 KB Output is correct
78 Correct 13 ms 2948 KB Output is correct
79 Correct 42 ms 2924 KB Output is correct
80 Correct 11 ms 2156 KB Output is correct
81 Correct 17 ms 2924 KB Output is correct
82 Correct 85 ms 2924 KB Output is correct
83 Correct 1 ms 364 KB Output is correct
84 Correct 3 ms 1900 KB Output is correct
85 Correct 22 ms 2028 KB Output is correct
86 Correct 3 ms 2028 KB Output is correct
87 Correct 8 ms 2028 KB Output is correct
88 Correct 5 ms 1132 KB Output is correct
89 Correct 9 ms 2668 KB Output is correct
90 Correct 44 ms 2668 KB Output is correct
91 Correct 140 ms 3564 KB Output is correct
92 Correct 13 ms 3564 KB Output is correct
93 Correct 69 ms 3564 KB Output is correct
94 Correct 4 ms 2044 KB Output is correct
95 Correct 21 ms 2060 KB Output is correct
96 Correct 3 ms 1900 KB Output is correct
97 Correct 1 ms 364 KB Output is correct
98 Correct 3 ms 1900 KB Output is correct
99 Correct 2 ms 1900 KB Output is correct