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Submission #969238

# Submission time Handle Problem Language Result Execution time Memory
969238 2024-04-24T18:14:53 Z biank K blocks (IZhO14_blocks) C++14
100 / 100
 127 ms 41564 KB 
#include <bits/stdc++.h>

using namespace std;
 
#define fst first
#define snd second
 
const int INF = 1e9;

int main() {
    ios::sync_with_stdio(0);
    cin.tie(0); cout.tie(0);
    
    int N, K;
    cin >> N >> K;
    vector<int> a(N);
    for (int i = 0; i < N; i++) {
        cin >> a[i];
    }
    vector<vector<int>> dp(K + 1, vector<int>(N + 1, INF));
    dp[0][0] = 0;
    for (int i = 1; i <= K; i++) {
        stack<pair<int, int>> st;
        for (int j = i - 1; j < N; j++) {
            int mini = dp[i - 1][j];
            while (!st.empty() && a[st.top().fst] <= a[j]) {
                mini = min(mini, st.top().snd);
                st.pop();
            }
            if (st.empty() || a[j] + mini < a[st.top().fst] + st.top().snd) {
                st.emplace(j, mini);
            }
            dp[i][j + 1] = a[st.top().fst] + st.top().snd;
        }
    }
    cout << dp[K][N] << '\n';
    
    return 0;
}

Subtask #1
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 1 ms 344 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 1 ms 344 KB Output is correct
13 Correct 0 ms 600 KB Output is correct
14 Correct 1 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct

Subtask #2
18.0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 344 KB Output is correct
4 Correct 0 ms 344 KB Output is correct
5 Correct 0 ms 344 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 1 ms 348 KB Output is correct
8 Correct 0 ms 376 KB Output is correct
9 Correct 1 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 1 ms 348 KB Output is correct
14 Correct 1 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 1 ms 348 KB Output is correct
17 Correct 1 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 0 ms 348 KB Output is correct

Subtask #3
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 1 ms 344 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 1 ms 344 KB Output is correct
13 Correct 0 ms 600 KB Output is correct
14 Correct 1 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
21 Correct 0 ms 344 KB Output is correct
22 Correct 0 ms 344 KB Output is correct
23 Correct 0 ms 344 KB Output is correct
24 Correct 0 ms 348 KB Output is correct
25 Correct 1 ms 348 KB Output is correct
26 Correct 0 ms 376 KB Output is correct
27 Correct 1 ms 348 KB Output is correct
28 Correct 0 ms 348 KB Output is correct
29 Correct 0 ms 348 KB Output is correct
30 Correct 0 ms 348 KB Output is correct
31 Correct 1 ms 348 KB Output is correct
32 Correct 1 ms 348 KB Output is correct
33 Correct 0 ms 348 KB Output is correct
34 Correct 1 ms 348 KB Output is correct
35 Correct 1 ms 348 KB Output is correct
36 Correct 0 ms 348 KB Output is correct
37 Correct 0 ms 348 KB Output is correct
38 Correct 0 ms 348 KB Output is correct
39 Correct 0 ms 348 KB Output is correct
40 Correct 0 ms 348 KB Output is correct
41 Correct 0 ms 348 KB Output is correct
42 Correct 0 ms 344 KB Output is correct
43 Correct 1 ms 344 KB Output is correct
44 Correct 0 ms 348 KB Output is correct
45 Correct 0 ms 348 KB Output is correct
46 Correct 0 ms 348 KB Output is correct
47 Correct 0 ms 348 KB Output is correct
48 Correct 0 ms 348 KB Output is correct
49 Correct 0 ms 544 KB Output is correct
50 Correct 0 ms 348 KB Output is correct
51 Correct 0 ms 348 KB Output is correct
52 Correct 0 ms 600 KB Output is correct
53 Correct 0 ms 344 KB Output is correct
54 Correct 1 ms 344 KB Output is correct
55 Correct 0 ms 348 KB Output is correct
56 Correct 0 ms 344 KB Output is correct
57 Correct 1 ms 348 KB Output is correct

Subtask #4
47.0 / 47.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 1 ms 344 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 1 ms 344 KB Output is correct
13 Correct 0 ms 600 KB Output is correct
14 Correct 1 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
21 Correct 0 ms 344 KB Output is correct
22 Correct 0 ms 344 KB Output is correct
23 Correct 0 ms 344 KB Output is correct
24 Correct 0 ms 348 KB Output is correct
25 Correct 1 ms 348 KB Output is correct
26 Correct 0 ms 376 KB Output is correct
27 Correct 1 ms 348 KB Output is correct
28 Correct 0 ms 348 KB Output is correct
29 Correct 0 ms 348 KB Output is correct
30 Correct 0 ms 348 KB Output is correct
31 Correct 1 ms 348 KB Output is correct
32 Correct 1 ms 348 KB Output is correct
33 Correct 0 ms 348 KB Output is correct
34 Correct 1 ms 348 KB Output is correct
35 Correct 1 ms 348 KB Output is correct
36 Correct 0 ms 348 KB Output is correct
37 Correct 0 ms 348 KB Output is correct
38 Correct 0 ms 348 KB Output is correct
39 Correct 0 ms 348 KB Output is correct
40 Correct 0 ms 348 KB Output is correct
41 Correct 0 ms 348 KB Output is correct
42 Correct 0 ms 344 KB Output is correct
43 Correct 1 ms 344 KB Output is correct
44 Correct 0 ms 348 KB Output is correct
45 Correct 0 ms 348 KB Output is correct
46 Correct 0 ms 348 KB Output is correct
47 Correct 0 ms 348 KB Output is correct
48 Correct 0 ms 348 KB Output is correct
49 Correct 0 ms 544 KB Output is correct
50 Correct 0 ms 348 KB Output is correct
51 Correct 0 ms 348 KB Output is correct
52 Correct 0 ms 600 KB Output is correct
53 Correct 0 ms 344 KB Output is correct
54 Correct 1 ms 344 KB Output is correct
55 Correct 0 ms 348 KB Output is correct
56 Correct 0 ms 344 KB Output is correct
57 Correct 1 ms 348 KB Output is correct
58 Correct 3 ms 1368 KB Output is correct
59 Correct 4 ms 1372 KB Output is correct
60 Correct 6 ms 2396 KB Output is correct
61 Correct 36 ms 14684 KB Output is correct
62 Correct 103 ms 41564 KB Output is correct
63 Correct 10 ms 3416 KB Output is correct
64 Correct 53 ms 19796 KB Output is correct
65 Correct 0 ms 348 KB Output is correct
66 Correct 0 ms 348 KB Output is correct
67 Correct 1 ms 348 KB Output is correct
68 Correct 0 ms 348 KB Output is correct
69 Correct 1 ms 344 KB Output is correct
70 Correct 1 ms 600 KB Output is correct
71 Correct 10 ms 4444 KB Output is correct
72 Correct 1 ms 604 KB Output is correct
73 Correct 3 ms 1368 KB Output is correct
74 Correct 4 ms 1372 KB Output is correct
75 Correct 7 ms 2516 KB Output is correct
76 Correct 35 ms 14680 KB Output is correct
77 Correct 90 ms 41552 KB Output is correct
78 Correct 9 ms 3416 KB Output is correct
79 Correct 45 ms 19800 KB Output is correct
80 Correct 7 ms 2648 KB Output is correct
81 Correct 14 ms 6232 KB Output is correct
82 Correct 94 ms 41564 KB Output is correct
83 Correct 0 ms 348 KB Output is correct
84 Correct 0 ms 348 KB Output is correct
85 Correct 14 ms 4444 KB Output is correct
86 Correct 1 ms 604 KB Output is correct
87 Correct 4 ms 1368 KB Output is correct
88 Correct 3 ms 1268 KB Output is correct
89 Correct 7 ms 2476 KB Output is correct
90 Correct 46 ms 14684 KB Output is correct
91 Correct 127 ms 41552 KB Output is correct
92 Correct 10 ms 3420 KB Output is correct
93 Correct 63 ms 19800 KB Output is correct
94 Correct 2 ms 604 KB Output is correct
95 Correct 9 ms 4444 KB Output is correct
96 Correct 0 ms 348 KB Output is correct
97 Correct 0 ms 348 KB Output is correct
98 Correct 0 ms 348 KB Output is correct
99 Correct 0 ms 456 KB Output is correct