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Submission #97184

# Submission time Handle Problem Language Result Execution time Memory
97184 2019-02-14T09:43:08 Z ditmenghiep K blocks (IZhO14_blocks) C++14
100 / 100
 175 ms 43404 KB 
#include <bits/stdc++.h>

using namespace std;

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

int a[N], 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 = 1; i <= n; ++i)
        for (L[i] = i - 1; L[i] && a[L[i]] <= a[i]; ) L[i] = L[L[i]];
    for (int i = 2; i <= k; ++i) {
        minF[i - 1] = INF;
        for (int j = i; j <= n; ++j) {
            minF[j] = dp[i - 1][j - 1];
            for (int t = j - 1; t > L[j]; t = L[t])
                minF[j] = min(minF[j], minF[t]);
            dp[i][j] = min(dp[i][L[j]], minF[j] + a[j]);
        }
    }
    cout << dp[k][n] << endl;
    return 0;
}

Subtask #1
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 32 ms 41592 KB Output is correct
2 Correct 34 ms 41464 KB Output is correct
3 Correct 32 ms 41464 KB Output is correct
4 Correct 35 ms 41464 KB Output is correct
5 Correct 32 ms 41464 KB Output is correct
6 Correct 35 ms 41464 KB Output is correct
7 Correct 37 ms 41356 KB Output is correct
8 Correct 34 ms 41444 KB Output is correct
9 Correct 33 ms 41448 KB Output is correct
10 Correct 38 ms 41464 KB Output is correct
11 Correct 33 ms 41464 KB Output is correct
12 Correct 34 ms 41464 KB Output is correct
13 Correct 34 ms 41464 KB Output is correct
14 Correct 33 ms 41464 KB Output is correct
15 Correct 35 ms 41464 KB Output is correct
16 Correct 35 ms 41472 KB Output is correct
17 Correct 36 ms 41464 KB Output is correct
18 Correct 32 ms 41464 KB Output is correct

Subtask #2
18.0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 39 ms 41580 KB Output is correct
2 Correct 32 ms 41600 KB Output is correct
3 Correct 32 ms 41464 KB Output is correct
4 Correct 32 ms 41464 KB Output is correct
5 Correct 32 ms 41464 KB Output is correct
6 Correct 39 ms 41444 KB Output is correct
7 Correct 39 ms 41464 KB Output is correct
8 Correct 26 ms 41464 KB Output is correct
9 Correct 35 ms 41464 KB Output is correct
10 Correct 38 ms 41464 KB Output is correct
11 Correct 34 ms 41464 KB Output is correct
12 Correct 35 ms 41464 KB Output is correct
13 Correct 33 ms 41472 KB Output is correct
14 Correct 33 ms 41464 KB Output is correct
15 Correct 35 ms 41464 KB Output is correct
16 Correct 33 ms 41476 KB Output is correct
17 Correct 33 ms 41464 KB Output is correct
18 Correct 31 ms 41472 KB Output is correct
19 Correct 33 ms 41464 KB Output is correct
20 Correct 31 ms 41472 KB Output is correct

Subtask #3
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 37 ms 41696 KB Output is correct
2 Correct 34 ms 41464 KB Output is correct
3 Correct 32 ms 41464 KB Output is correct
4 Correct 37 ms 41436 KB Output is correct
5 Correct 31 ms 41436 KB Output is correct
6 Correct 32 ms 41336 KB Output is correct
7 Correct 37 ms 41464 KB Output is correct
8 Correct 33 ms 41464 KB Output is correct
9 Correct 33 ms 41468 KB Output is correct
10 Correct 34 ms 41472 KB Output is correct
11 Correct 33 ms 41472 KB Output is correct
12 Correct 38 ms 41420 KB Output is correct
13 Correct 33 ms 41464 KB Output is correct
14 Correct 32 ms 41404 KB Output is correct
15 Correct 33 ms 41464 KB Output is correct
16 Correct 34 ms 41464 KB Output is correct
17 Correct 33 ms 41464 KB Output is correct
18 Correct 32 ms 41464 KB Output is correct
19 Correct 35 ms 41464 KB Output is correct

Subtask #4
47.0 / 47.0

# Verdict Execution time Memory Grader output
1 Correct 39 ms 41592 KB Output is correct
2 Correct 58 ms 42104 KB Output is correct
3 Correct 56 ms 42232 KB Output is correct
4 Correct 92 ms 42360 KB Output is correct
5 Correct 165 ms 43404 KB Output is correct
6 Correct 83 ms 43384 KB Output is correct
7 Correct 114 ms 43256 KB Output is correct
8 Correct 34 ms 41464 KB Output is correct
9 Correct 34 ms 41380 KB Output is correct
10 Correct 32 ms 41464 KB Output is correct
11 Correct 37 ms 41484 KB Output is correct
12 Correct 35 ms 41464 KB Output is correct
13 Correct 37 ms 41456 KB Output is correct
14 Correct 43 ms 41592 KB Output is correct
15 Correct 42 ms 41660 KB Output is correct
16 Correct 41 ms 41624 KB Output is correct
17 Correct 48 ms 42104 KB Output is correct
18 Correct 55 ms 42232 KB Output is correct
19 Correct 102 ms 42360 KB Output is correct
20 Correct 175 ms 43292 KB Output is correct
21 Correct 99 ms 43256 KB Output is correct
22 Correct 116 ms 43356 KB Output is correct
23 Correct 78 ms 42848 KB Output is correct
24 Correct 102 ms 43260 KB Output is correct
25 Correct 170 ms 43360 KB Output is correct
26 Correct 32 ms 41464 KB Output is correct
27 Correct 38 ms 41592 KB Output is correct
28 Correct 43 ms 41588 KB Output is correct
29 Correct 45 ms 41592 KB Output is correct
30 Correct 38 ms 41592 KB Output is correct
31 Correct 64 ms 42104 KB Output is correct
32 Correct 66 ms 42232 KB Output is correct
33 Correct 84 ms 42232 KB Output is correct
34 Correct 142 ms 43256 KB Output is correct
35 Correct 85 ms 43300 KB Output is correct
36 Correct 136 ms 43304 KB Output is correct
37 Correct 35 ms 41592 KB Output is correct
38 Correct 41 ms 41592 KB Output is correct
39 Correct 33 ms 41464 KB Output is correct
40 Correct 35 ms 41436 KB Output is correct
41 Correct 34 ms 41464 KB Output is correct
42 Correct 33 ms 41464 KB Output is correct