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Submission #723072

# Submission time Handle Problem Language Result Execution time Memory
723072 2023-04-13T08:17:42 Z buihuynhtay K blocks (IZhO14_blocks) C++14
100 / 100
 233 ms 42184 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];
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 31 ms 41304 KB Output is correct
2 Correct 22 ms 41388 KB Output is correct
3 Correct 25 ms 41396 KB Output is correct
4 Correct 21 ms 41384 KB Output is correct
5 Correct 18 ms 41316 KB Output is correct
6 Correct 17 ms 41300 KB Output is correct
7 Correct 22 ms 41328 KB Output is correct
8 Correct 19 ms 41368 KB Output is correct
9 Correct 19 ms 41308 KB Output is correct
10 Correct 19 ms 41344 KB Output is correct
11 Correct 20 ms 41300 KB Output is correct
12 Correct 22 ms 41368 KB Output is correct
13 Correct 19 ms 41384 KB Output is correct
14 Correct 19 ms 41300 KB Output is correct
15 Correct 19 ms 41316 KB Output is correct
16 Correct 19 ms 41280 KB Output is correct
17 Correct 18 ms 41408 KB Output is correct
18 Correct 19 ms 41300 KB Output is correct

Subtask #2
18.0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 19 ms 41372 KB Output is correct
2 Correct 19 ms 41300 KB Output is correct
3 Correct 26 ms 41344 KB Output is correct
4 Correct 24 ms 41408 KB Output is correct
5 Correct 20 ms 41296 KB Output is correct
6 Correct 19 ms 41300 KB Output is correct
7 Correct 19 ms 41380 KB Output is correct
8 Correct 18 ms 41300 KB Output is correct
9 Correct 21 ms 41360 KB Output is correct
10 Correct 20 ms 41320 KB Output is correct
11 Correct 19 ms 41316 KB Output is correct
12 Correct 20 ms 41296 KB Output is correct
13 Correct 24 ms 41300 KB Output is correct
14 Correct 25 ms 41340 KB Output is correct
15 Correct 23 ms 41300 KB Output is correct
16 Correct 19 ms 41300 KB Output is correct
17 Correct 19 ms 41300 KB Output is correct
18 Correct 21 ms 41352 KB Output is correct
19 Correct 18 ms 41300 KB Output is correct
20 Correct 19 ms 41292 KB Output is correct

Subtask #3
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 31 ms 41304 KB Output is correct
2 Correct 22 ms 41388 KB Output is correct
3 Correct 25 ms 41396 KB Output is correct
4 Correct 21 ms 41384 KB Output is correct
5 Correct 18 ms 41316 KB Output is correct
6 Correct 17 ms 41300 KB Output is correct
7 Correct 22 ms 41328 KB Output is correct
8 Correct 19 ms 41368 KB Output is correct
9 Correct 19 ms 41308 KB Output is correct
10 Correct 19 ms 41344 KB Output is correct
11 Correct 20 ms 41300 KB Output is correct
12 Correct 22 ms 41368 KB Output is correct
13 Correct 19 ms 41384 KB Output is correct
14 Correct 19 ms 41300 KB Output is correct
15 Correct 19 ms 41316 KB Output is correct
16 Correct 19 ms 41280 KB Output is correct
17 Correct 18 ms 41408 KB Output is correct
18 Correct 19 ms 41300 KB Output is correct
19 Correct 19 ms 41372 KB Output is correct
20 Correct 19 ms 41300 KB Output is correct
21 Correct 26 ms 41344 KB Output is correct
22 Correct 24 ms 41408 KB Output is correct
23 Correct 20 ms 41296 KB Output is correct
24 Correct 19 ms 41300 KB Output is correct
25 Correct 19 ms 41380 KB Output is correct
26 Correct 18 ms 41300 KB Output is correct
27 Correct 21 ms 41360 KB Output is correct
28 Correct 20 ms 41320 KB Output is correct
29 Correct 19 ms 41316 KB Output is correct
30 Correct 20 ms 41296 KB Output is correct
31 Correct 24 ms 41300 KB Output is correct
32 Correct 25 ms 41340 KB Output is correct
33 Correct 23 ms 41300 KB Output is correct
34 Correct 19 ms 41300 KB Output is correct
35 Correct 19 ms 41300 KB Output is correct
36 Correct 21 ms 41352 KB Output is correct
37 Correct 18 ms 41300 KB Output is correct
38 Correct 19 ms 41292 KB Output is correct
39 Correct 20 ms 41300 KB Output is correct
40 Correct 19 ms 41272 KB Output is correct
41 Correct 20 ms 41376 KB Output is correct
42 Correct 23 ms 41304 KB Output is correct
43 Correct 23 ms 41300 KB Output is correct
44 Correct 19 ms 41300 KB Output is correct
45 Correct 20 ms 41332 KB Output is correct
46 Correct 18 ms 41300 KB Output is correct
47 Correct 17 ms 41300 KB Output is correct
48 Correct 17 ms 41300 KB Output is correct
49 Correct 19 ms 41288 KB Output is correct
50 Correct 20 ms 41316 KB Output is correct
51 Correct 23 ms 41300 KB Output is correct
52 Correct 19 ms 41324 KB Output is correct
53 Correct 21 ms 41292 KB Output is correct
54 Correct 20 ms 41304 KB Output is correct
55 Correct 18 ms 41316 KB Output is correct
56 Correct 24 ms 41412 KB Output is correct
57 Correct 23 ms 41388 KB Output is correct

Subtask #4
47.0 / 47.0

# Verdict Execution time Memory Grader output
1 Correct 31 ms 41304 KB Output is correct
2 Correct 22 ms 41388 KB Output is correct
3 Correct 25 ms 41396 KB Output is correct
4 Correct 21 ms 41384 KB Output is correct
5 Correct 18 ms 41316 KB Output is correct
6 Correct 17 ms 41300 KB Output is correct
7 Correct 22 ms 41328 KB Output is correct
8 Correct 19 ms 41368 KB Output is correct
9 Correct 19 ms 41308 KB Output is correct
10 Correct 19 ms 41344 KB Output is correct
11 Correct 20 ms 41300 KB Output is correct
12 Correct 22 ms 41368 KB Output is correct
13 Correct 19 ms 41384 KB Output is correct
14 Correct 19 ms 41300 KB Output is correct
15 Correct 19 ms 41316 KB Output is correct
16 Correct 19 ms 41280 KB Output is correct
17 Correct 18 ms 41408 KB Output is correct
18 Correct 19 ms 41300 KB Output is correct
19 Correct 19 ms 41372 KB Output is correct
20 Correct 19 ms 41300 KB Output is correct
21 Correct 26 ms 41344 KB Output is correct
22 Correct 24 ms 41408 KB Output is correct
23 Correct 20 ms 41296 KB Output is correct
24 Correct 19 ms 41300 KB Output is correct
25 Correct 19 ms 41380 KB Output is correct
26 Correct 18 ms 41300 KB Output is correct
27 Correct 21 ms 41360 KB Output is correct
28 Correct 20 ms 41320 KB Output is correct
29 Correct 19 ms 41316 KB Output is correct
30 Correct 20 ms 41296 KB Output is correct
31 Correct 24 ms 41300 KB Output is correct
32 Correct 25 ms 41340 KB Output is correct
33 Correct 23 ms 41300 KB Output is correct
34 Correct 19 ms 41300 KB Output is correct
35 Correct 19 ms 41300 KB Output is correct
36 Correct 21 ms 41352 KB Output is correct
37 Correct 18 ms 41300 KB Output is correct
38 Correct 19 ms 41292 KB Output is correct
39 Correct 20 ms 41300 KB Output is correct
40 Correct 19 ms 41272 KB Output is correct
41 Correct 20 ms 41376 KB Output is correct
42 Correct 23 ms 41304 KB Output is correct
43 Correct 23 ms 41300 KB Output is correct
44 Correct 19 ms 41300 KB Output is correct
45 Correct 20 ms 41332 KB Output is correct
46 Correct 18 ms 41300 KB Output is correct
47 Correct 17 ms 41300 KB Output is correct
48 Correct 17 ms 41300 KB Output is correct
49 Correct 19 ms 41288 KB Output is correct
50 Correct 20 ms 41316 KB Output is correct
51 Correct 23 ms 41300 KB Output is correct
52 Correct 19 ms 41324 KB Output is correct
53 Correct 21 ms 41292 KB Output is correct
54 Correct 20 ms 41304 KB Output is correct
55 Correct 18 ms 41316 KB Output is correct
56 Correct 24 ms 41412 KB Output is correct
57 Correct 23 ms 41388 KB Output is correct
58 Correct 24 ms 41356 KB Output is correct
59 Correct 34 ms 41452 KB Output is correct
60 Correct 38 ms 41552 KB Output is correct
61 Correct 91 ms 41568 KB Output is correct
62 Correct 164 ms 41832 KB Output is correct
63 Correct 53 ms 41676 KB Output is correct
64 Correct 122 ms 41768 KB Output is correct
65 Correct 19 ms 41312 KB Output is correct
66 Correct 24 ms 41300 KB Output is correct
67 Correct 19 ms 41304 KB Output is correct
68 Correct 20 ms 41300 KB Output is correct
69 Correct 22 ms 41408 KB Output is correct
70 Correct 26 ms 41380 KB Output is correct
71 Correct 48 ms 41312 KB Output is correct
72 Correct 28 ms 41368 KB Output is correct
73 Correct 32 ms 41436 KB Output is correct
74 Correct 42 ms 41528 KB Output is correct
75 Correct 46 ms 41548 KB Output is correct
76 Correct 100 ms 41548 KB Output is correct
77 Correct 233 ms 41692 KB Output is correct
78 Correct 60 ms 41676 KB Output is correct
79 Correct 112 ms 41776 KB Output is correct
80 Correct 52 ms 41776 KB Output is correct
81 Correct 75 ms 41676 KB Output is correct
82 Correct 205 ms 41688 KB Output is correct
83 Correct 21 ms 41284 KB Output is correct
84 Correct 25 ms 41300 KB Output is correct
85 Correct 35 ms 41396 KB Output is correct
86 Correct 24 ms 41428 KB Output is correct
87 Correct 28 ms 41424 KB Output is correct
88 Correct 34 ms 41500 KB Output is correct
89 Correct 37 ms 41592 KB Output is correct
90 Correct 79 ms 41632 KB Output is correct
91 Correct 183 ms 42184 KB Output is correct
92 Correct 56 ms 42164 KB Output is correct
93 Correct 140 ms 42060 KB Output is correct
94 Correct 27 ms 41432 KB Output is correct
95 Correct 37 ms 41428 KB Output is correct
96 Correct 20 ms 41384 KB Output is correct
97 Correct 19 ms 41376 KB Output is correct
98 Correct 20 ms 41300 KB Output is correct
99 Correct 19 ms 41336 KB Output is correct