oj.uz

Submission #333845

# Submission time Handle Problem Language Result Execution time Memory
333845 2020-12-07T23:25:34 Z limabeans K blocks (IZhO14_blocks) C++17
100 / 100
 219 ms 80636 KB 
#include <bits/stdc++.h>
using namespace std;

template<typename T>
void out(T x) { cout << x << endl; exit(0); }
#define watch(x) cout << (#x) << " is " << (x) << endl





using ll = long long;
const int maxn = 100000 + 10;
const ll inf = 1e10;

int n,k;
ll a[maxn];
ll dp[102][maxn];

int main() {
    ios_base::sync_with_stdio(false); cin.tie(0);  cout.tie(0);

    cin>>n>>k;
    for (int i=1; i<=n; i++) {
	cin>>a[i];
    }

    for (int i=1; i<=n; i++) {
	dp[1][i]=max(a[i],dp[1][i-1]);
    }


    

    for (int j=2; j<=k; j++) {
	stack<pair<int,ll>> stk;
	for (int i=j; i<=n; i++) {
	    ll mindp = dp[j-1][i-1];
	    while (!stk.empty() && a[stk.top().first] <= a[i]) {
		mindp = min(mindp, stk.top().second);
		stk.pop();
	    }
	    dp[j][i] = min(mindp+a[i], stk.empty() ? inf : dp[j][stk.top().first]);
	    stk.push({i,mindp});
	}
    }


    cout<<dp[k][n]<<endl;    
    return 0;
}

Subtask #1
14.0 / 14.0

# 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 1 ms 364 KB Output is correct
5 Correct 1 ms 364 KB Output is correct
6 Correct 1 ms 364 KB Output is correct
7 Correct 1 ms 364 KB Output is correct
8 Correct 1 ms 364 KB Output is correct
9 Correct 1 ms 364 KB Output is correct
10 Correct 1 ms 364 KB Output is correct
11 Correct 1 ms 364 KB Output is correct
12 Correct 1 ms 364 KB Output is correct
13 Correct 1 ms 364 KB Output is correct
14 Correct 1 ms 364 KB Output is correct
15 Correct 1 ms 364 KB Output is correct
16 Correct 1 ms 364 KB Output is correct
17 Correct 1 ms 364 KB Output is correct
18 Correct 1 ms 364 KB Output is correct

Subtask #2
18.0 / 18.0

# 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 384 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 1 ms 364 KB Output is correct
6 Correct 1 ms 364 KB Output is correct
7 Correct 1 ms 364 KB Output is correct
8 Correct 1 ms 364 KB Output is correct
9 Correct 1 ms 364 KB Output is correct
10 Correct 1 ms 364 KB Output is correct
11 Correct 1 ms 364 KB Output is correct
12 Correct 1 ms 364 KB Output is correct
13 Correct 1 ms 364 KB Output is correct
14 Correct 1 ms 364 KB Output is correct
15 Correct 1 ms 364 KB Output is correct
16 Correct 1 ms 492 KB Output is correct
17 Correct 1 ms 492 KB Output is correct
18 Correct 1 ms 364 KB Output is correct
19 Correct 1 ms 512 KB Output is correct
20 Correct 1 ms 492 KB Output is correct

Subtask #3
21.0 / 21.0

# 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 1 ms 364 KB Output is correct
5 Correct 1 ms 364 KB Output is correct
6 Correct 1 ms 364 KB Output is correct
7 Correct 1 ms 364 KB Output is correct
8 Correct 1 ms 364 KB Output is correct
9 Correct 1 ms 364 KB Output is correct
10 Correct 1 ms 364 KB Output is correct
11 Correct 1 ms 364 KB Output is correct
12 Correct 1 ms 364 KB Output is correct
13 Correct 1 ms 364 KB Output is correct
14 Correct 1 ms 364 KB Output is correct
15 Correct 1 ms 364 KB Output is correct
16 Correct 1 ms 364 KB Output is correct
17 Correct 1 ms 364 KB Output is correct
18 Correct 1 ms 364 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 384 KB Output is correct
22 Correct 1 ms 364 KB Output is correct
23 Correct 1 ms 364 KB Output is correct
24 Correct 1 ms 364 KB Output is correct
25 Correct 1 ms 364 KB Output is correct
26 Correct 1 ms 364 KB Output is correct
27 Correct 1 ms 364 KB Output is correct
28 Correct 1 ms 364 KB Output is correct
29 Correct 1 ms 364 KB Output is correct
30 Correct 1 ms 364 KB Output is correct
31 Correct 1 ms 364 KB Output is correct
32 Correct 1 ms 364 KB Output is correct
33 Correct 1 ms 364 KB Output is correct
34 Correct 1 ms 492 KB Output is correct
35 Correct 1 ms 492 KB Output is correct
36 Correct 1 ms 364 KB Output is correct
37 Correct 1 ms 512 KB Output is correct
38 Correct 1 ms 492 KB Output is correct
39 Correct 1 ms 640 KB Output is correct
40 Correct 1 ms 364 KB Output is correct
41 Correct 1 ms 376 KB Output is correct
42 Correct 1 ms 364 KB Output is correct
43 Correct 1 ms 364 KB Output is correct
44 Correct 1 ms 364 KB Output is correct
45 Correct 1 ms 364 KB Output is correct
46 Correct 1 ms 364 KB Output is correct
47 Correct 1 ms 364 KB Output is correct
48 Correct 1 ms 364 KB Output is correct
49 Correct 1 ms 364 KB Output is correct
50 Correct 1 ms 364 KB Output is correct
51 Correct 1 ms 492 KB Output is correct
52 Correct 1 ms 492 KB Output is correct
53 Correct 1 ms 1004 KB Output is correct
54 Correct 1 ms 876 KB Output is correct
55 Correct 1 ms 620 KB Output is correct
56 Correct 1 ms 896 KB Output is correct
57 Correct 1 ms 876 KB Output is correct

Subtask #4
47.0 / 47.0

# 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 1 ms 364 KB Output is correct
5 Correct 1 ms 364 KB Output is correct
6 Correct 1 ms 364 KB Output is correct
7 Correct 1 ms 364 KB Output is correct
8 Correct 1 ms 364 KB Output is correct
9 Correct 1 ms 364 KB Output is correct
10 Correct 1 ms 364 KB Output is correct
11 Correct 1 ms 364 KB Output is correct
12 Correct 1 ms 364 KB Output is correct
13 Correct 1 ms 364 KB Output is correct
14 Correct 1 ms 364 KB Output is correct
15 Correct 1 ms 364 KB Output is correct
16 Correct 1 ms 364 KB Output is correct
17 Correct 1 ms 364 KB Output is correct
18 Correct 1 ms 364 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 384 KB Output is correct
22 Correct 1 ms 364 KB Output is correct
23 Correct 1 ms 364 KB Output is correct
24 Correct 1 ms 364 KB Output is correct
25 Correct 1 ms 364 KB Output is correct
26 Correct 1 ms 364 KB Output is correct
27 Correct 1 ms 364 KB Output is correct
28 Correct 1 ms 364 KB Output is correct
29 Correct 1 ms 364 KB Output is correct
30 Correct 1 ms 364 KB Output is correct
31 Correct 1 ms 364 KB Output is correct
32 Correct 1 ms 364 KB Output is correct
33 Correct 1 ms 364 KB Output is correct
34 Correct 1 ms 492 KB Output is correct
35 Correct 1 ms 492 KB Output is correct
36 Correct 1 ms 364 KB Output is correct
37 Correct 1 ms 512 KB Output is correct
38 Correct 1 ms 492 KB Output is correct
39 Correct 1 ms 640 KB Output is correct
40 Correct 1 ms 364 KB Output is correct
41 Correct 1 ms 376 KB Output is correct
42 Correct 1 ms 364 KB Output is correct
43 Correct 1 ms 364 KB Output is correct
44 Correct 1 ms 364 KB Output is correct
45 Correct 1 ms 364 KB Output is correct
46 Correct 1 ms 364 KB Output is correct
47 Correct 1 ms 364 KB Output is correct
48 Correct 1 ms 364 KB Output is correct
49 Correct 1 ms 364 KB Output is correct
50 Correct 1 ms 364 KB Output is correct
51 Correct 1 ms 492 KB Output is correct
52 Correct 1 ms 492 KB Output is correct
53 Correct 1 ms 1004 KB Output is correct
54 Correct 1 ms 876 KB Output is correct
55 Correct 1 ms 620 KB Output is correct
56 Correct 1 ms 896 KB Output is correct
57 Correct 1 ms 876 KB Output is correct
58 Correct 7 ms 2540 KB Output is correct
59 Correct 6 ms 1388 KB Output is correct
60 Correct 10 ms 3436 KB Output is correct
61 Correct 61 ms 27756 KB Output is correct
62 Correct 173 ms 80108 KB Output is correct
63 Correct 14 ms 4204 KB Output is correct
64 Correct 83 ms 37100 KB Output is correct
65 Correct 1 ms 492 KB Output is correct
66 Correct 1 ms 620 KB Output is correct
67 Correct 1 ms 620 KB Output is correct
68 Correct 1 ms 640 KB Output is correct
69 Correct 1 ms 364 KB Output is correct
70 Correct 1 ms 492 KB Output is correct
71 Correct 23 ms 8812 KB Output is correct
72 Correct 2 ms 620 KB Output is correct
73 Correct 7 ms 2540 KB Output is correct
74 Correct 5 ms 1388 KB Output is correct
75 Correct 11 ms 3436 KB Output is correct
76 Correct 76 ms 27756 KB Output is correct
77 Correct 219 ms 80236 KB Output is correct
78 Correct 16 ms 4204 KB Output is correct
79 Correct 104 ms 36972 KB Output is correct
80 Correct 11 ms 2668 KB Output is correct
81 Correct 31 ms 9708 KB Output is correct
82 Correct 218 ms 80108 KB Output is correct
83 Correct 1 ms 384 KB Output is correct
84 Correct 1 ms 492 KB Output is correct
85 Correct 21 ms 8812 KB Output is correct
86 Correct 2 ms 748 KB Output is correct
87 Correct 6 ms 2668 KB Output is correct
88 Correct 5 ms 1388 KB Output is correct
89 Correct 11 ms 3732 KB Output is correct
90 Correct 72 ms 28092 KB Output is correct
91 Correct 214 ms 80636 KB Output is correct
92 Correct 15 ms 4788 KB Output is correct
93 Correct 102 ms 37680 KB Output is correct
94 Correct 2 ms 620 KB Output is correct
95 Correct 18 ms 8812 KB Output is correct
96 Correct 1 ms 492 KB Output is correct
97 Correct 1 ms 364 KB Output is correct
98 Correct 1 ms 364 KB Output is correct
99 Correct 1 ms 364 KB Output is correct