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Submission #457710

# Submission time Handle Problem Language Result Execution time Memory
457710 2021-08-07T10:10:30 Z a520huynm K blocks (IZhO14_blocks) C++14
100 / 100
 255 ms 42820 KB 
#include <bits/stdc++.h>

using namespace std;

const int N = 1e5 + 5;
const int K = 105;
const int INF = 0x3f3f3f3f;

int a[N];
int L[N], minF[N];
int dp[K][N];
int n, k;

int main() {
    cin >> n >> k;
    for (int i = 1; i <= n; ++i) cin >> a[i];
    memset(dp, 0x3f, sizeof dp);
    dp[1][0] = 0;
    for (int i = 1; i <= n; ++i) dp[1][i] = max(dp[1][i - 1], a[i]);
    for (int i = 2; i <= k; ++i) {
        stack<pair<int, int> > S;
        for (int j = i; j <= n; ++j) {
            int minF = dp[i - 1][j - 1];
            while (!S.empty() && a[S.top().second] <= a[j]) {
                minF = min(minF, S.top().first);
                S.pop();
            }
            dp[i][j] = min(dp[i][S.empty() ? 0 : S.top().second], minF + a[j]);
            S.push(make_pair(minF, j));
        }
    }
    cout << dp[k][n] << endl;
    return 0;
}

Subtask #1
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 21 ms 41292 KB Output is correct
2 Correct 21 ms 41280 KB Output is correct
3 Correct 22 ms 41292 KB Output is correct
4 Correct 22 ms 41336 KB Output is correct
5 Correct 23 ms 41332 KB Output is correct
6 Correct 26 ms 41304 KB Output is correct
7 Correct 22 ms 41292 KB Output is correct
8 Correct 22 ms 41376 KB Output is correct
9 Correct 24 ms 41316 KB Output is correct
10 Correct 24 ms 41368 KB Output is correct
11 Correct 21 ms 41284 KB Output is correct
12 Correct 21 ms 41380 KB Output is correct
13 Correct 24 ms 41344 KB Output is correct
14 Correct 23 ms 41292 KB Output is correct
15 Correct 22 ms 41292 KB Output is correct
16 Correct 24 ms 41340 KB Output is correct
17 Correct 28 ms 41292 KB Output is correct
18 Correct 26 ms 41396 KB Output is correct

Subtask #2
18.0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 26 ms 41388 KB Output is correct
2 Correct 25 ms 41288 KB Output is correct
3 Correct 24 ms 41292 KB Output is correct
4 Correct 25 ms 41308 KB Output is correct
5 Correct 25 ms 41396 KB Output is correct
6 Correct 21 ms 41296 KB Output is correct
7 Correct 24 ms 41404 KB Output is correct
8 Correct 25 ms 41292 KB Output is correct
9 Correct 22 ms 41416 KB Output is correct
10 Correct 24 ms 41392 KB Output is correct
11 Correct 24 ms 41408 KB Output is correct
12 Correct 25 ms 41384 KB Output is correct
13 Correct 25 ms 41308 KB Output is correct
14 Correct 24 ms 41348 KB Output is correct
15 Correct 24 ms 41336 KB Output is correct
16 Correct 24 ms 41388 KB Output is correct
17 Correct 22 ms 41292 KB Output is correct
18 Correct 23 ms 41320 KB Output is correct
19 Correct 22 ms 41292 KB Output is correct
20 Correct 23 ms 41376 KB Output is correct

Subtask #3
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 21 ms 41292 KB Output is correct
2 Correct 21 ms 41280 KB Output is correct
3 Correct 22 ms 41292 KB Output is correct
4 Correct 22 ms 41336 KB Output is correct
5 Correct 23 ms 41332 KB Output is correct
6 Correct 26 ms 41304 KB Output is correct
7 Correct 22 ms 41292 KB Output is correct
8 Correct 22 ms 41376 KB Output is correct
9 Correct 24 ms 41316 KB Output is correct
10 Correct 24 ms 41368 KB Output is correct
11 Correct 21 ms 41284 KB Output is correct
12 Correct 21 ms 41380 KB Output is correct
13 Correct 24 ms 41344 KB Output is correct
14 Correct 23 ms 41292 KB Output is correct
15 Correct 22 ms 41292 KB Output is correct
16 Correct 24 ms 41340 KB Output is correct
17 Correct 28 ms 41292 KB Output is correct
18 Correct 26 ms 41396 KB Output is correct
19 Correct 26 ms 41388 KB Output is correct
20 Correct 25 ms 41288 KB Output is correct
21 Correct 24 ms 41292 KB Output is correct
22 Correct 25 ms 41308 KB Output is correct
23 Correct 25 ms 41396 KB Output is correct
24 Correct 21 ms 41296 KB Output is correct
25 Correct 24 ms 41404 KB Output is correct
26 Correct 25 ms 41292 KB Output is correct
27 Correct 22 ms 41416 KB Output is correct
28 Correct 24 ms 41392 KB Output is correct
29 Correct 24 ms 41408 KB Output is correct
30 Correct 25 ms 41384 KB Output is correct
31 Correct 25 ms 41308 KB Output is correct
32 Correct 24 ms 41348 KB Output is correct
33 Correct 24 ms 41336 KB Output is correct
34 Correct 24 ms 41388 KB Output is correct
35 Correct 22 ms 41292 KB Output is correct
36 Correct 23 ms 41320 KB Output is correct
37 Correct 22 ms 41292 KB Output is correct
38 Correct 23 ms 41376 KB Output is correct
39 Correct 24 ms 41292 KB Output is correct
40 Correct 22 ms 41288 KB Output is correct
41 Correct 26 ms 41296 KB Output is correct
42 Correct 26 ms 41368 KB Output is correct
43 Correct 26 ms 41344 KB Output is correct
44 Correct 24 ms 41292 KB Output is correct
45 Correct 21 ms 41348 KB Output is correct
46 Correct 23 ms 41384 KB Output is correct
47 Correct 24 ms 41336 KB Output is correct
48 Correct 22 ms 41388 KB Output is correct
49 Correct 23 ms 41384 KB Output is correct
50 Correct 23 ms 41392 KB Output is correct
51 Correct 27 ms 41408 KB Output is correct
52 Correct 23 ms 41344 KB Output is correct
53 Correct 24 ms 41292 KB Output is correct
54 Correct 25 ms 41340 KB Output is correct
55 Correct 25 ms 41332 KB Output is correct
56 Correct 24 ms 41384 KB Output is correct
57 Correct 20 ms 41324 KB Output is correct

Subtask #4
47.0 / 47.0

# Verdict Execution time Memory Grader output
1 Correct 21 ms 41292 KB Output is correct
2 Correct 21 ms 41280 KB Output is correct
3 Correct 22 ms 41292 KB Output is correct
4 Correct 22 ms 41336 KB Output is correct
5 Correct 23 ms 41332 KB Output is correct
6 Correct 26 ms 41304 KB Output is correct
7 Correct 22 ms 41292 KB Output is correct
8 Correct 22 ms 41376 KB Output is correct
9 Correct 24 ms 41316 KB Output is correct
10 Correct 24 ms 41368 KB Output is correct
11 Correct 21 ms 41284 KB Output is correct
12 Correct 21 ms 41380 KB Output is correct
13 Correct 24 ms 41344 KB Output is correct
14 Correct 23 ms 41292 KB Output is correct
15 Correct 22 ms 41292 KB Output is correct
16 Correct 24 ms 41340 KB Output is correct
17 Correct 28 ms 41292 KB Output is correct
18 Correct 26 ms 41396 KB Output is correct
19 Correct 26 ms 41388 KB Output is correct
20 Correct 25 ms 41288 KB Output is correct
21 Correct 24 ms 41292 KB Output is correct
22 Correct 25 ms 41308 KB Output is correct
23 Correct 25 ms 41396 KB Output is correct
24 Correct 21 ms 41296 KB Output is correct
25 Correct 24 ms 41404 KB Output is correct
26 Correct 25 ms 41292 KB Output is correct
27 Correct 22 ms 41416 KB Output is correct
28 Correct 24 ms 41392 KB Output is correct
29 Correct 24 ms 41408 KB Output is correct
30 Correct 25 ms 41384 KB Output is correct
31 Correct 25 ms 41308 KB Output is correct
32 Correct 24 ms 41348 KB Output is correct
33 Correct 24 ms 41336 KB Output is correct
34 Correct 24 ms 41388 KB Output is correct
35 Correct 22 ms 41292 KB Output is correct
36 Correct 23 ms 41320 KB Output is correct
37 Correct 22 ms 41292 KB Output is correct
38 Correct 23 ms 41376 KB Output is correct
39 Correct 24 ms 41292 KB Output is correct
40 Correct 22 ms 41288 KB Output is correct
41 Correct 26 ms 41296 KB Output is correct
42 Correct 26 ms 41368 KB Output is correct
43 Correct 26 ms 41344 KB Output is correct
44 Correct 24 ms 41292 KB Output is correct
45 Correct 21 ms 41348 KB Output is correct
46 Correct 23 ms 41384 KB Output is correct
47 Correct 24 ms 41336 KB Output is correct
48 Correct 22 ms 41388 KB Output is correct
49 Correct 23 ms 41384 KB Output is correct
50 Correct 23 ms 41392 KB Output is correct
51 Correct 27 ms 41408 KB Output is correct
52 Correct 23 ms 41344 KB Output is correct
53 Correct 24 ms 41292 KB Output is correct
54 Correct 25 ms 41340 KB Output is correct
55 Correct 25 ms 41332 KB Output is correct
56 Correct 24 ms 41384 KB Output is correct
57 Correct 20 ms 41324 KB Output is correct
58 Correct 30 ms 41432 KB Output is correct
59 Correct 38 ms 41820 KB Output is correct
60 Correct 42 ms 41800 KB Output is correct
61 Correct 80 ms 41824 KB Output is correct
62 Correct 238 ms 42368 KB Output is correct
63 Correct 60 ms 42380 KB Output is correct
64 Correct 125 ms 42448 KB Output is correct
65 Correct 21 ms 41292 KB Output is correct
66 Correct 21 ms 41368 KB Output is correct
67 Correct 22 ms 41356 KB Output is correct
68 Correct 22 ms 41292 KB Output is correct
69 Correct 25 ms 41296 KB Output is correct
70 Correct 22 ms 41388 KB Output is correct
71 Correct 58 ms 41472 KB Output is correct
72 Correct 25 ms 41388 KB Output is correct
73 Correct 28 ms 41476 KB Output is correct
74 Correct 38 ms 41856 KB Output is correct
75 Correct 42 ms 41816 KB Output is correct
76 Correct 92 ms 41892 KB Output is correct
77 Correct 255 ms 42440 KB Output is correct
78 Correct 59 ms 42436 KB Output is correct
79 Correct 129 ms 42436 KB Output is correct
80 Correct 56 ms 42360 KB Output is correct
81 Correct 74 ms 42436 KB Output is correct
82 Correct 233 ms 42452 KB Output is correct
83 Correct 20 ms 41292 KB Output is correct
84 Correct 23 ms 41320 KB Output is correct
85 Correct 39 ms 41412 KB Output is correct
86 Correct 25 ms 41472 KB Output is correct
87 Correct 29 ms 41532 KB Output is correct
88 Correct 39 ms 41804 KB Output is correct
89 Correct 41 ms 41984 KB Output is correct
90 Correct 82 ms 41900 KB Output is correct
91 Correct 198 ms 42740 KB Output is correct
92 Correct 60 ms 42692 KB Output is correct
93 Correct 122 ms 42820 KB Output is correct
94 Correct 26 ms 41412 KB Output is correct
95 Correct 46 ms 41444 KB Output is correct
96 Correct 32 ms 41420 KB Output is correct
97 Correct 23 ms 41376 KB Output is correct
98 Correct 22 ms 41380 KB Output is correct
99 Correct 22 ms 41276 KB Output is correct