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Submission #87311

# Submission time Handle Problem Language Result Execution time Memory
87311 2018-11-30T09:40:45 Z 7Polygonz K blocks (IZhO14_blocks) C++11
100 / 100
 248 ms 42596 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 36 ms 41464 KB Output is correct
2 Correct 35 ms 41552 KB Output is correct
3 Correct 36 ms 41636 KB Output is correct
4 Correct 38 ms 41636 KB Output is correct
5 Correct 36 ms 41636 KB Output is correct
6 Correct 37 ms 41796 KB Output is correct
7 Correct 36 ms 41796 KB Output is correct
8 Correct 36 ms 41796 KB Output is correct
9 Correct 37 ms 41812 KB Output is correct
10 Correct 37 ms 41812 KB Output is correct
11 Correct 36 ms 41812 KB Output is correct
12 Correct 36 ms 41812 KB Output is correct
13 Correct 36 ms 41836 KB Output is correct
14 Correct 36 ms 41836 KB Output is correct
15 Correct 36 ms 41836 KB Output is correct
16 Correct 40 ms 41836 KB Output is correct
17 Correct 35 ms 41836 KB Output is correct
18 Correct 36 ms 41836 KB Output is correct

Subtask #2
18.0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 35 ms 41836 KB Output is correct
2 Correct 36 ms 41836 KB Output is correct
3 Correct 37 ms 41836 KB Output is correct
4 Correct 36 ms 41836 KB Output is correct
5 Correct 35 ms 41836 KB Output is correct
6 Correct 36 ms 41836 KB Output is correct
7 Correct 36 ms 41836 KB Output is correct
8 Correct 36 ms 41836 KB Output is correct
9 Correct 38 ms 41836 KB Output is correct
10 Correct 36 ms 41836 KB Output is correct
11 Correct 36 ms 41836 KB Output is correct
12 Correct 38 ms 41836 KB Output is correct
13 Correct 37 ms 41836 KB Output is correct
14 Correct 36 ms 41836 KB Output is correct
15 Correct 36 ms 41836 KB Output is correct
16 Correct 36 ms 41836 KB Output is correct
17 Correct 36 ms 41836 KB Output is correct
18 Correct 36 ms 41836 KB Output is correct
19 Correct 37 ms 41836 KB Output is correct
20 Correct 37 ms 41836 KB Output is correct

Subtask #3
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 36 ms 41836 KB Output is correct
2 Correct 36 ms 41836 KB Output is correct
3 Correct 36 ms 41836 KB Output is correct
4 Correct 37 ms 41836 KB Output is correct
5 Correct 36 ms 41836 KB Output is correct
6 Correct 35 ms 41836 KB Output is correct
7 Correct 35 ms 41836 KB Output is correct
8 Correct 35 ms 41836 KB Output is correct
9 Correct 35 ms 41836 KB Output is correct
10 Correct 39 ms 41836 KB Output is correct
11 Correct 49 ms 41836 KB Output is correct
12 Correct 36 ms 41836 KB Output is correct
13 Correct 36 ms 41836 KB Output is correct
14 Correct 36 ms 41836 KB Output is correct
15 Correct 36 ms 41836 KB Output is correct
16 Correct 36 ms 41836 KB Output is correct
17 Correct 40 ms 41836 KB Output is correct
18 Correct 40 ms 41836 KB Output is correct
19 Correct 37 ms 41836 KB Output is correct

Subtask #4
47.0 / 47.0

# Verdict Execution time Memory Grader output
1 Correct 46 ms 41836 KB Output is correct
2 Correct 56 ms 41836 KB Output is correct
3 Correct 58 ms 41836 KB Output is correct
4 Correct 98 ms 41864 KB Output is correct
5 Correct 195 ms 42108 KB Output is correct
6 Correct 83 ms 42108 KB Output is correct
7 Correct 135 ms 42112 KB Output is correct
8 Correct 40 ms 42112 KB Output is correct
9 Correct 37 ms 42112 KB Output is correct
10 Correct 43 ms 42112 KB Output is correct
11 Correct 35 ms 42112 KB Output is correct
12 Correct 36 ms 42112 KB Output is correct
13 Correct 37 ms 42112 KB Output is correct
14 Correct 53 ms 42112 KB Output is correct
15 Correct 45 ms 42112 KB Output is correct
16 Correct 44 ms 42112 KB Output is correct
17 Correct 54 ms 42112 KB Output is correct
18 Correct 57 ms 42112 KB Output is correct
19 Correct 106 ms 42112 KB Output is correct
20 Correct 248 ms 42236 KB Output is correct
21 Correct 76 ms 42236 KB Output is correct
22 Correct 144 ms 42236 KB Output is correct
23 Correct 76 ms 42236 KB Output is correct
24 Correct 91 ms 42236 KB Output is correct
25 Correct 234 ms 42236 KB Output is correct
26 Correct 36 ms 42236 KB Output is correct
27 Correct 36 ms 42236 KB Output is correct
28 Correct 55 ms 42236 KB Output is correct
29 Correct 41 ms 42236 KB Output is correct
30 Correct 44 ms 42236 KB Output is correct
31 Correct 53 ms 42236 KB Output is correct
32 Correct 61 ms 42236 KB Output is correct
33 Correct 103 ms 42236 KB Output is correct
34 Correct 232 ms 42596 KB Output is correct
35 Correct 82 ms 42596 KB Output is correct
36 Correct 146 ms 42596 KB Output is correct
37 Correct 40 ms 42596 KB Output is correct
38 Correct 54 ms 42596 KB Output is correct
39 Correct 38 ms 42596 KB Output is correct
40 Correct 44 ms 42596 KB Output is correct
41 Correct 38 ms 42596 KB Output is correct
42 Correct 37 ms 42596 KB Output is correct