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Submission #1101489

# Submission time Handle Problem Language Result Execution time Memory
1101489 2024-10-16T09:04:31 Z LOLOLO K blocks (IZhO14_blocks) C++14
100 / 100
 550 ms 100176 KB 
#include <bits/stdc++.h>
#define int long long
#define f first
#define pii pair<int, int>
#define s second
 
const int N = 1e5 + 5;
const int block = 450;
const int oo = 99999989;
const int base = 31;
 
using namespace std;
 
int n, a[N], dp[N][105], rmq[N][20], k, L[N];
stack <int> st;

void build(int k){
	
	for(int i = 0;i <= n;i++) rmq[i][0] = dp[i][k]; 
	
	for(int j = 1;(1 << j) <= n;j++){
		for(int i = 0; i + (1 << j) - 1 <= n;i++){
			  rmq[i][j] = min(rmq[i][j - 1], rmq[i + (1 << (j - 1))][j - 1]);
		}
	}
	
}

int get(int l, int r){
	if(r == l) return rmq[l][0];
	int k = __lg(r - l + 1);
	return min(rmq[l][k], rmq[r - (1 << k) + 1][k]);
}
 
signed main()
{
  ios_base::sync_with_stdio(0);
  cin.tie(0);cout.tie(0);
 
	
	cin >> n >> k;
	for(int i = 1;i <= n;i++) cin >> a[i];
	
	st.push(0); a[0] = 1e18;
	for(int i = 1;i <= n;i++){
			while(!st.empty() && a[st.top()] <= a[i]) st.pop();
			if(st.empty()) L[i] = 1;
			else L[i] = st.top() + 1;
			st.push(i);
	}
	
	memset(dp, 0x4f, sizeof(dp));
	dp[0][0] = 0;
	
	for(int j = 1;j <= k;j++){
		build(j - 1);
		for(int i = j;i <= n;i++){
		  
			dp[i][j] = get(L[i] - 1, i - 1) + a[i];
			dp[i][j] = min(dp[i][j], dp[L[i] - 1][j]);
			
		}
	}
	
	cout << dp[n][k];
	return 0;
}

Subtask #1
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 12 ms 86608 KB Output is correct
2 Correct 12 ms 86608 KB Output is correct
3 Correct 12 ms 86608 KB Output is correct
4 Correct 13 ms 86608 KB Output is correct
5 Correct 11 ms 86608 KB Output is correct
6 Correct 12 ms 86608 KB Output is correct
7 Correct 12 ms 86608 KB Output is correct
8 Correct 11 ms 86608 KB Output is correct
9 Correct 11 ms 86608 KB Output is correct
10 Correct 11 ms 86608 KB Output is correct
11 Correct 12 ms 86608 KB Output is correct
12 Correct 11 ms 86608 KB Output is correct
13 Correct 12 ms 86608 KB Output is correct
14 Correct 12 ms 86608 KB Output is correct
15 Correct 12 ms 86556 KB Output is correct
16 Correct 12 ms 86776 KB Output is correct
17 Correct 12 ms 86608 KB Output is correct
18 Correct 13 ms 86608 KB Output is correct

Subtask #2
18.0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 12 ms 86608 KB Output is correct
2 Correct 12 ms 86608 KB Output is correct
3 Correct 11 ms 86512 KB Output is correct
4 Correct 13 ms 86524 KB Output is correct
5 Correct 12 ms 86608 KB Output is correct
6 Correct 11 ms 86608 KB Output is correct
7 Correct 11 ms 86776 KB Output is correct
8 Correct 11 ms 86608 KB Output is correct
9 Correct 11 ms 86608 KB Output is correct
10 Correct 10 ms 86608 KB Output is correct
11 Correct 10 ms 86608 KB Output is correct
12 Correct 10 ms 86608 KB Output is correct
13 Correct 10 ms 86580 KB Output is correct
14 Correct 10 ms 86516 KB Output is correct
15 Correct 10 ms 86608 KB Output is correct
16 Correct 11 ms 86608 KB Output is correct
17 Correct 10 ms 86608 KB Output is correct
18 Correct 10 ms 86528 KB Output is correct
19 Correct 10 ms 86528 KB Output is correct
20 Correct 12 ms 86612 KB Output is correct

Subtask #3
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 12 ms 86608 KB Output is correct
2 Correct 12 ms 86608 KB Output is correct
3 Correct 12 ms 86608 KB Output is correct
4 Correct 13 ms 86608 KB Output is correct
5 Correct 11 ms 86608 KB Output is correct
6 Correct 12 ms 86608 KB Output is correct
7 Correct 12 ms 86608 KB Output is correct
8 Correct 11 ms 86608 KB Output is correct
9 Correct 11 ms 86608 KB Output is correct
10 Correct 11 ms 86608 KB Output is correct
11 Correct 12 ms 86608 KB Output is correct
12 Correct 11 ms 86608 KB Output is correct
13 Correct 12 ms 86608 KB Output is correct
14 Correct 12 ms 86608 KB Output is correct
15 Correct 12 ms 86556 KB Output is correct
16 Correct 12 ms 86776 KB Output is correct
17 Correct 12 ms 86608 KB Output is correct
18 Correct 13 ms 86608 KB Output is correct
19 Correct 12 ms 86608 KB Output is correct
20 Correct 12 ms 86608 KB Output is correct
21 Correct 11 ms 86512 KB Output is correct
22 Correct 13 ms 86524 KB Output is correct
23 Correct 12 ms 86608 KB Output is correct
24 Correct 11 ms 86608 KB Output is correct
25 Correct 11 ms 86776 KB Output is correct
26 Correct 11 ms 86608 KB Output is correct
27 Correct 11 ms 86608 KB Output is correct
28 Correct 10 ms 86608 KB Output is correct
29 Correct 10 ms 86608 KB Output is correct
30 Correct 10 ms 86608 KB Output is correct
31 Correct 10 ms 86580 KB Output is correct
32 Correct 10 ms 86516 KB Output is correct
33 Correct 10 ms 86608 KB Output is correct
34 Correct 11 ms 86608 KB Output is correct
35 Correct 10 ms 86608 KB Output is correct
36 Correct 10 ms 86528 KB Output is correct
37 Correct 10 ms 86528 KB Output is correct
38 Correct 12 ms 86612 KB Output is correct
39 Correct 10 ms 86608 KB Output is correct
40 Correct 11 ms 86608 KB Output is correct
41 Correct 11 ms 86608 KB Output is correct
42 Correct 10 ms 86608 KB Output is correct
43 Correct 10 ms 86608 KB Output is correct
44 Correct 12 ms 86612 KB Output is correct
45 Correct 10 ms 86608 KB Output is correct
46 Correct 11 ms 86620 KB Output is correct
47 Correct 10 ms 86608 KB Output is correct
48 Correct 11 ms 86520 KB Output is correct
49 Correct 11 ms 86620 KB Output is correct
50 Correct 10 ms 86608 KB Output is correct
51 Correct 10 ms 86540 KB Output is correct
52 Correct 10 ms 86608 KB Output is correct
53 Correct 10 ms 86564 KB Output is correct
54 Correct 11 ms 86608 KB Output is correct
55 Correct 10 ms 86608 KB Output is correct
56 Correct 11 ms 86608 KB Output is correct
57 Correct 12 ms 86608 KB Output is correct

Subtask #4
47.0 / 47.0

# Verdict Execution time Memory Grader output
1 Correct 12 ms 86608 KB Output is correct
2 Correct 12 ms 86608 KB Output is correct
3 Correct 12 ms 86608 KB Output is correct
4 Correct 13 ms 86608 KB Output is correct
5 Correct 11 ms 86608 KB Output is correct
6 Correct 12 ms 86608 KB Output is correct
7 Correct 12 ms 86608 KB Output is correct
8 Correct 11 ms 86608 KB Output is correct
9 Correct 11 ms 86608 KB Output is correct
10 Correct 11 ms 86608 KB Output is correct
11 Correct 12 ms 86608 KB Output is correct
12 Correct 11 ms 86608 KB Output is correct
13 Correct 12 ms 86608 KB Output is correct
14 Correct 12 ms 86608 KB Output is correct
15 Correct 12 ms 86556 KB Output is correct
16 Correct 12 ms 86776 KB Output is correct
17 Correct 12 ms 86608 KB Output is correct
18 Correct 13 ms 86608 KB Output is correct
19 Correct 12 ms 86608 KB Output is correct
20 Correct 12 ms 86608 KB Output is correct
21 Correct 11 ms 86512 KB Output is correct
22 Correct 13 ms 86524 KB Output is correct
23 Correct 12 ms 86608 KB Output is correct
24 Correct 11 ms 86608 KB Output is correct
25 Correct 11 ms 86776 KB Output is correct
26 Correct 11 ms 86608 KB Output is correct
27 Correct 11 ms 86608 KB Output is correct
28 Correct 10 ms 86608 KB Output is correct
29 Correct 10 ms 86608 KB Output is correct
30 Correct 10 ms 86608 KB Output is correct
31 Correct 10 ms 86580 KB Output is correct
32 Correct 10 ms 86516 KB Output is correct
33 Correct 10 ms 86608 KB Output is correct
34 Correct 11 ms 86608 KB Output is correct
35 Correct 10 ms 86608 KB Output is correct
36 Correct 10 ms 86528 KB Output is correct
37 Correct 10 ms 86528 KB Output is correct
38 Correct 12 ms 86612 KB Output is correct
39 Correct 10 ms 86608 KB Output is correct
40 Correct 11 ms 86608 KB Output is correct
41 Correct 11 ms 86608 KB Output is correct
42 Correct 10 ms 86608 KB Output is correct
43 Correct 10 ms 86608 KB Output is correct
44 Correct 12 ms 86612 KB Output is correct
45 Correct 10 ms 86608 KB Output is correct
46 Correct 11 ms 86620 KB Output is correct
47 Correct 10 ms 86608 KB Output is correct
48 Correct 11 ms 86520 KB Output is correct
49 Correct 11 ms 86620 KB Output is correct
50 Correct 10 ms 86608 KB Output is correct
51 Correct 10 ms 86540 KB Output is correct
52 Correct 10 ms 86608 KB Output is correct
53 Correct 10 ms 86564 KB Output is correct
54 Correct 11 ms 86608 KB Output is correct
55 Correct 10 ms 86608 KB Output is correct
56 Correct 11 ms 86608 KB Output is correct
57 Correct 12 ms 86608 KB Output is correct
58 Correct 21 ms 88656 KB Output is correct
59 Correct 18 ms 93264 KB Output is correct
60 Correct 28 ms 93292 KB Output is correct
61 Correct 146 ms 93196 KB Output is correct
62 Correct 440 ms 99876 KB Output is correct
63 Correct 31 ms 99664 KB Output is correct
64 Correct 262 ms 99664 KB Output is correct
65 Correct 13 ms 86608 KB Output is correct
66 Correct 11 ms 86620 KB Output is correct
67 Correct 11 ms 86608 KB Output is correct
68 Correct 12 ms 86680 KB Output is correct
69 Correct 13 ms 86608 KB Output is correct
70 Correct 13 ms 86608 KB Output is correct
71 Correct 53 ms 88800 KB Output is correct
72 Correct 15 ms 88656 KB Output is correct
73 Correct 23 ms 88712 KB Output is correct
74 Correct 18 ms 93264 KB Output is correct
75 Correct 29 ms 93204 KB Output is correct
76 Correct 151 ms 93264 KB Output is correct
77 Correct 441 ms 99664 KB Output is correct
78 Correct 37 ms 99664 KB Output is correct
79 Correct 215 ms 99712 KB Output is correct
80 Correct 24 ms 99664 KB Output is correct
81 Correct 63 ms 99860 KB Output is correct
82 Correct 449 ms 99912 KB Output is correct
83 Correct 13 ms 86616 KB Output is correct
84 Correct 12 ms 86608 KB Output is correct
85 Correct 43 ms 88788 KB Output is correct
86 Correct 13 ms 88656 KB Output is correct
87 Correct 20 ms 88656 KB Output is correct
88 Correct 17 ms 93264 KB Output is correct
89 Correct 27 ms 93264 KB Output is correct
90 Correct 162 ms 93404 KB Output is correct
91 Correct 550 ms 100176 KB Output is correct
92 Correct 31 ms 100024 KB Output is correct
93 Correct 257 ms 100168 KB Output is correct
94 Correct 13 ms 88668 KB Output is correct
95 Correct 44 ms 88656 KB Output is correct
96 Correct 13 ms 86860 KB Output is correct
97 Correct 12 ms 86792 KB Output is correct
98 Correct 12 ms 86608 KB Output is correct
99 Correct 11 ms 86780 KB Output is correct