Submission #978796

# Submission time Handle Problem Language Result Execution time Memory
978796 2024-05-09T17:19:51 Z LOLOLO K blocks (IZhO14_blocks) C++17
53 / 100
1000 ms 97996 KB
#include <bits/stdc++.h>
#define ll long long
using namespace std;
 
#define           f     first
#define           s     second
#define           pb    push_back
#define           ep    emplace
#define           eb    emplace_back
#define           lb    lower_bound
#define           ub    upper_bound
#define       all(x)    x.begin(), x.end()
#define      rall(x)    x.rbegin(), x.rend()
#define   uniquev(v)    sort(all(v)), (v).resize(unique(all(v)) - (v).begin())
#define     mem(f,x)    memset(f , x , sizeof(f))
#define        sz(x)    (int)(x).size()
#define  __lcm(a, b)    (1ll * ((a) / __gcd((a), (b))) * (b))
#define          mxx    *max_element
#define          mnn    *min_element
#define    cntbit(x)    __builtin_popcountll(x)
#define       len(x)    (int)(x.length())
 
const int N = 1e5 + 10;
ll f[N][101], a[N];
ll sp[N][20], n, k;
int lg[N];

void build(int id) {
    for (int i = 0; i <= n; i++) {
        sp[i][0] = f[i][id];
    }

    for (int j = 1; j < 20; j++) {
        for (int i = 0; i + (1 << j) <= n + 1; i++) {
            sp[i][j] = min(sp[i][j - 1], sp[i + (1 << (j - 1))][j - 1]);
        }
    }
}

ll range(int l, int r, int id) {
    if (l > r)
        return 1e16;

    int t = lg[r - l + 1];
    return min(sp[l][t], sp[r - (1 << t) + 1][t]);
}

int main() {
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    cout.tie(0);

    for (int i = 2; i < N; i++)
        lg[i] = lg[i / 2] + 1;

    mem(f, 0x3f);
    cin >> n >> k;

    f[0][0] = 0;
    for (int i = 1; i <= n; i++) {
        cin >> a[i];
    }

    for (int j = 1; j <= k; j++) {
        build(j - 1);
        stack <int> st;
        vector <ll> pr;

        for (int i = 0; i <= n; i++) {
            while (sz(st) && a[i] >= a[st.top()]) {
                st.pop();
                pr.pop_back();
            }

            int lst = sz(st) ? st.top() : 0;
            ll nxt = range(lst, i - 1, j - 1) + a[i];
            if (sz(pr))
                nxt = min(nxt, pr.back());

            f[i][j] = nxt;
            st.push(i);
            ll v = sz(pr) ? pr.back() : 1e18;
            pr.pb(min(v, range(lst, i - 1, j - 1) + a[i])); 
        }
    }

    cout << f[n][k] << '\n';
} 

// 2 2
// 1 2
# Verdict Execution time Memory Grader output
1 Correct 11 ms 83804 KB Output is correct
2 Correct 11 ms 83800 KB Output is correct
3 Correct 11 ms 83804 KB Output is correct
4 Correct 12 ms 83804 KB Output is correct
5 Correct 11 ms 83804 KB Output is correct
6 Correct 11 ms 83804 KB Output is correct
7 Correct 11 ms 83936 KB Output is correct
8 Correct 11 ms 83804 KB Output is correct
9 Correct 11 ms 83896 KB Output is correct
10 Correct 12 ms 83804 KB Output is correct
11 Correct 11 ms 83920 KB Output is correct
12 Correct 11 ms 83804 KB Output is correct
13 Correct 11 ms 83804 KB Output is correct
14 Correct 12 ms 83948 KB Output is correct
15 Correct 11 ms 83804 KB Output is correct
16 Correct 12 ms 83800 KB Output is correct
17 Correct 11 ms 83804 KB Output is correct
18 Correct 11 ms 83948 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 11 ms 83804 KB Output is correct
2 Correct 12 ms 83804 KB Output is correct
3 Correct 11 ms 83804 KB Output is correct
4 Correct 11 ms 83964 KB Output is correct
5 Correct 11 ms 83804 KB Output is correct
6 Correct 11 ms 83804 KB Output is correct
7 Correct 12 ms 83804 KB Output is correct
8 Correct 11 ms 83804 KB Output is correct
9 Correct 11 ms 83912 KB Output is correct
10 Correct 12 ms 83804 KB Output is correct
11 Correct 11 ms 84040 KB Output is correct
12 Correct 11 ms 83892 KB Output is correct
13 Correct 11 ms 83804 KB Output is correct
14 Correct 12 ms 83844 KB Output is correct
15 Correct 11 ms 84040 KB Output is correct
16 Correct 11 ms 83804 KB Output is correct
17 Correct 11 ms 83804 KB Output is correct
18 Correct 11 ms 83804 KB Output is correct
19 Correct 12 ms 83800 KB Output is correct
20 Correct 11 ms 83804 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 11 ms 83804 KB Output is correct
2 Correct 11 ms 83800 KB Output is correct
3 Correct 11 ms 83804 KB Output is correct
4 Correct 12 ms 83804 KB Output is correct
5 Correct 11 ms 83804 KB Output is correct
6 Correct 11 ms 83804 KB Output is correct
7 Correct 11 ms 83936 KB Output is correct
8 Correct 11 ms 83804 KB Output is correct
9 Correct 11 ms 83896 KB Output is correct
10 Correct 12 ms 83804 KB Output is correct
11 Correct 11 ms 83920 KB Output is correct
12 Correct 11 ms 83804 KB Output is correct
13 Correct 11 ms 83804 KB Output is correct
14 Correct 12 ms 83948 KB Output is correct
15 Correct 11 ms 83804 KB Output is correct
16 Correct 12 ms 83800 KB Output is correct
17 Correct 11 ms 83804 KB Output is correct
18 Correct 11 ms 83948 KB Output is correct
19 Correct 11 ms 83804 KB Output is correct
20 Correct 12 ms 83804 KB Output is correct
21 Correct 11 ms 83804 KB Output is correct
22 Correct 11 ms 83964 KB Output is correct
23 Correct 11 ms 83804 KB Output is correct
24 Correct 11 ms 83804 KB Output is correct
25 Correct 12 ms 83804 KB Output is correct
26 Correct 11 ms 83804 KB Output is correct
27 Correct 11 ms 83912 KB Output is correct
28 Correct 12 ms 83804 KB Output is correct
29 Correct 11 ms 84040 KB Output is correct
30 Correct 11 ms 83892 KB Output is correct
31 Correct 11 ms 83804 KB Output is correct
32 Correct 12 ms 83844 KB Output is correct
33 Correct 11 ms 84040 KB Output is correct
34 Correct 11 ms 83804 KB Output is correct
35 Correct 11 ms 83804 KB Output is correct
36 Correct 11 ms 83804 KB Output is correct
37 Correct 12 ms 83800 KB Output is correct
38 Correct 11 ms 83804 KB Output is correct
39 Correct 11 ms 83800 KB Output is correct
40 Correct 11 ms 83804 KB Output is correct
41 Correct 11 ms 83916 KB Output is correct
42 Correct 11 ms 83804 KB Output is correct
43 Correct 11 ms 83804 KB Output is correct
44 Correct 11 ms 83804 KB Output is correct
45 Correct 11 ms 83804 KB Output is correct
46 Correct 11 ms 84040 KB Output is correct
47 Correct 11 ms 83804 KB Output is correct
48 Correct 11 ms 83804 KB Output is correct
49 Correct 11 ms 83804 KB Output is correct
50 Correct 11 ms 84056 KB Output is correct
51 Correct 11 ms 83804 KB Output is correct
52 Correct 11 ms 83980 KB Output is correct
53 Correct 12 ms 83804 KB Output is correct
54 Correct 11 ms 83928 KB Output is correct
55 Correct 11 ms 83800 KB Output is correct
56 Correct 12 ms 83980 KB Output is correct
57 Correct 11 ms 83936 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 11 ms 83804 KB Output is correct
2 Correct 11 ms 83800 KB Output is correct
3 Correct 11 ms 83804 KB Output is correct
4 Correct 12 ms 83804 KB Output is correct
5 Correct 11 ms 83804 KB Output is correct
6 Correct 11 ms 83804 KB Output is correct
7 Correct 11 ms 83936 KB Output is correct
8 Correct 11 ms 83804 KB Output is correct
9 Correct 11 ms 83896 KB Output is correct
10 Correct 12 ms 83804 KB Output is correct
11 Correct 11 ms 83920 KB Output is correct
12 Correct 11 ms 83804 KB Output is correct
13 Correct 11 ms 83804 KB Output is correct
14 Correct 12 ms 83948 KB Output is correct
15 Correct 11 ms 83804 KB Output is correct
16 Correct 12 ms 83800 KB Output is correct
17 Correct 11 ms 83804 KB Output is correct
18 Correct 11 ms 83948 KB Output is correct
19 Correct 11 ms 83804 KB Output is correct
20 Correct 12 ms 83804 KB Output is correct
21 Correct 11 ms 83804 KB Output is correct
22 Correct 11 ms 83964 KB Output is correct
23 Correct 11 ms 83804 KB Output is correct
24 Correct 11 ms 83804 KB Output is correct
25 Correct 12 ms 83804 KB Output is correct
26 Correct 11 ms 83804 KB Output is correct
27 Correct 11 ms 83912 KB Output is correct
28 Correct 12 ms 83804 KB Output is correct
29 Correct 11 ms 84040 KB Output is correct
30 Correct 11 ms 83892 KB Output is correct
31 Correct 11 ms 83804 KB Output is correct
32 Correct 12 ms 83844 KB Output is correct
33 Correct 11 ms 84040 KB Output is correct
34 Correct 11 ms 83804 KB Output is correct
35 Correct 11 ms 83804 KB Output is correct
36 Correct 11 ms 83804 KB Output is correct
37 Correct 12 ms 83800 KB Output is correct
38 Correct 11 ms 83804 KB Output is correct
39 Correct 11 ms 83800 KB Output is correct
40 Correct 11 ms 83804 KB Output is correct
41 Correct 11 ms 83916 KB Output is correct
42 Correct 11 ms 83804 KB Output is correct
43 Correct 11 ms 83804 KB Output is correct
44 Correct 11 ms 83804 KB Output is correct
45 Correct 11 ms 83804 KB Output is correct
46 Correct 11 ms 84040 KB Output is correct
47 Correct 11 ms 83804 KB Output is correct
48 Correct 11 ms 83804 KB Output is correct
49 Correct 11 ms 83804 KB Output is correct
50 Correct 11 ms 84056 KB Output is correct
51 Correct 11 ms 83804 KB Output is correct
52 Correct 11 ms 83980 KB Output is correct
53 Correct 12 ms 83804 KB Output is correct
54 Correct 11 ms 83928 KB Output is correct
55 Correct 11 ms 83800 KB Output is correct
56 Correct 12 ms 83980 KB Output is correct
57 Correct 11 ms 83936 KB Output is correct
58 Correct 23 ms 84060 KB Output is correct
59 Correct 18 ms 90456 KB Output is correct
60 Correct 31 ms 90460 KB Output is correct
61 Correct 180 ms 90480 KB Output is correct
62 Correct 994 ms 97016 KB Output is correct
63 Correct 47 ms 96848 KB Output is correct
64 Correct 461 ms 97020 KB Output is correct
65 Correct 11 ms 83804 KB Output is correct
66 Correct 12 ms 83948 KB Output is correct
67 Correct 11 ms 83804 KB Output is correct
68 Correct 12 ms 84036 KB Output is correct
69 Correct 11 ms 83800 KB Output is correct
70 Correct 11 ms 83804 KB Output is correct
71 Correct 55 ms 83912 KB Output is correct
72 Correct 13 ms 83916 KB Output is correct
73 Correct 24 ms 84056 KB Output is correct
74 Correct 18 ms 90460 KB Output is correct
75 Correct 32 ms 90456 KB Output is correct
76 Correct 184 ms 90460 KB Output is correct
77 Correct 971 ms 97008 KB Output is correct
78 Correct 48 ms 96852 KB Output is correct
79 Correct 450 ms 97008 KB Output is correct
80 Correct 29 ms 96924 KB Output is correct
81 Correct 118 ms 97012 KB Output is correct
82 Correct 943 ms 97020 KB Output is correct
83 Correct 11 ms 84060 KB Output is correct
84 Correct 12 ms 83864 KB Output is correct
85 Correct 49 ms 84116 KB Output is correct
86 Correct 13 ms 84060 KB Output is correct
87 Correct 22 ms 84060 KB Output is correct
88 Correct 17 ms 90716 KB Output is correct
89 Correct 30 ms 90760 KB Output is correct
90 Correct 190 ms 90736 KB Output is correct
91 Execution timed out 1065 ms 97996 KB Time limit exceeded
92 Halted 0 ms 0 KB -