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Submission #171756

# Submission time Handle Problem Language Result Execution time Memory
171756 2019-12-30T10:01:29 Z VEGAnn K blocks (IZhO14_blocks) C++14
100 / 100
 354 ms 45044 KB 
#include <bits/stdc++.h>
#define sz(x) ((int)x.size())
#define PB push_back
#define MP make_pair
#define ft first
#define sd second
#define pii pair<int, int>
#define pi3 pair<pii, int>
#define MP3(a,b,c) MP(MP(a, b), c)
using namespace std;
const int oo = 1e9;
const int N = 100100;
const int K = 110;
const int PW = 20;
stack<pi3> st;
int f[N][K], a[N], n, k;

int main(){
    cin >> n >> k;
    for (int i = 1; i <= n; i++)
        cin >> a[i];
    a[0] = oo;

    for (int i = 0; i <= n; i++)
        for (int j = 0; j <= k; j++)
            f[i][j] = oo;

    f[0][0] = 0;

    for (int j = 1; j <= k; j++) {
        while (sz(st)) st.pop();

        st.push(MP3(0, oo, oo));

        for (int i = 1; i <= n; i++){

            pi3 nw = MP3(i, f[i - 1][j - 1], 0);

            while (a[st.top().ft.ft] <= a[i]) {
                nw.ft.sd = min(nw.ft.sd, st.top().ft.sd);
                st.pop();
            }

            nw.sd = min(st.top().sd, nw.ft.sd + a[i]);
            st.push(nw);

            f[i][j] = nw.sd;
        }
    }

    cout << f[n][k];
    return 0;
}

Subtask #1
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 128 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 2 ms 256 KB Output is correct
8 Correct 2 ms 376 KB Output is correct
9 Correct 2 ms 380 KB Output is correct
10 Correct 2 ms 376 KB Output is correct
11 Correct 2 ms 376 KB Output is correct
12 Correct 2 ms 376 KB Output is correct
13 Correct 2 ms 376 KB Output is correct
14 Correct 2 ms 376 KB Output is correct
15 Correct 2 ms 376 KB Output is correct
16 Correct 2 ms 376 KB Output is correct
17 Correct 2 ms 376 KB Output is correct
18 Correct 2 ms 376 KB Output is correct

Subtask #2
18.0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 256 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 380 KB Output is correct
4 Correct 2 ms 276 KB Output is correct
5 Correct 2 ms 256 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 2 ms 256 KB Output is correct
8 Correct 2 ms 256 KB Output is correct
9 Correct 2 ms 380 KB Output is correct
10 Correct 2 ms 376 KB Output is correct
11 Correct 2 ms 376 KB Output is correct
12 Correct 2 ms 376 KB Output is correct
13 Correct 2 ms 376 KB Output is correct
14 Correct 2 ms 376 KB Output is correct
15 Correct 2 ms 376 KB Output is correct
16 Correct 2 ms 376 KB Output is correct
17 Correct 2 ms 376 KB Output is correct
18 Correct 2 ms 376 KB Output is correct
19 Correct 2 ms 376 KB Output is correct
20 Correct 2 ms 376 KB Output is correct

Subtask #3
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 2 ms 376 KB Output is correct
8 Correct 2 ms 376 KB Output is correct
9 Correct 2 ms 376 KB Output is correct
10 Correct 2 ms 504 KB Output is correct
11 Correct 2 ms 376 KB Output is correct
12 Correct 2 ms 376 KB Output is correct
13 Correct 2 ms 396 KB Output is correct
14 Correct 2 ms 376 KB Output is correct
15 Correct 2 ms 376 KB Output is correct
16 Correct 2 ms 376 KB Output is correct
17 Correct 2 ms 376 KB Output is correct
18 Correct 2 ms 376 KB Output is correct
19 Correct 2 ms 376 KB Output is correct

Subtask #4
47.0 / 47.0

# Verdict Execution time Memory Grader output
1 Correct 14 ms 4600 KB Output is correct
2 Correct 41 ms 19580 KB Output is correct
3 Correct 51 ms 19636 KB Output is correct
4 Correct 102 ms 19704 KB Output is correct
5 Correct 287 ms 44536 KB Output is correct
6 Correct 105 ms 44408 KB Output is correct
7 Correct 215 ms 44536 KB Output is correct
8 Correct 2 ms 376 KB Output is correct
9 Correct 2 ms 376 KB Output is correct
10 Correct 2 ms 376 KB Output is correct
11 Correct 2 ms 376 KB Output is correct
12 Correct 3 ms 760 KB Output is correct
13 Correct 3 ms 760 KB Output is correct
14 Correct 26 ms 4728 KB Output is correct
15 Correct 11 ms 4732 KB Output is correct
16 Correct 14 ms 4728 KB Output is correct
17 Correct 41 ms 19960 KB Output is correct
18 Correct 46 ms 19960 KB Output is correct
19 Correct 101 ms 19960 KB Output is correct
20 Correct 271 ms 44536 KB Output is correct
21 Correct 95 ms 44536 KB Output is correct
22 Correct 174 ms 44536 KB Output is correct
23 Correct 92 ms 44408 KB Output is correct
24 Correct 108 ms 44504 KB Output is correct
25 Correct 281 ms 44536 KB Output is correct
26 Correct 3 ms 760 KB Output is correct
27 Correct 3 ms 760 KB Output is correct
28 Correct 27 ms 4856 KB Output is correct
29 Correct 11 ms 4856 KB Output is correct
30 Correct 15 ms 4856 KB Output is correct
31 Correct 43 ms 20120 KB Output is correct
32 Correct 48 ms 20188 KB Output is correct
33 Correct 105 ms 20088 KB Output is correct
34 Correct 354 ms 45044 KB Output is correct
35 Correct 98 ms 44892 KB Output is correct
36 Correct 184 ms 44988 KB Output is correct
37 Correct 11 ms 4728 KB Output is correct
38 Correct 23 ms 4732 KB Output is correct
39 Correct 3 ms 760 KB Output is correct
40 Correct 3 ms 760 KB Output is correct
41 Correct 2 ms 376 KB Output is correct
42 Correct 2 ms 376 KB Output is correct