oj.uz

Submission #647606

# Submission time Handle Problem Language Result Execution time Memory
647606 2022-10-03T09:55:10 Z LeonaRaging K blocks (IZhO14_blocks) C++14
53 / 100
 956 ms 89848 KB 
#include <bits/stdc++.h>
using namespace std;

#define int long long
#define ll long long
#define pb push_back
#define fi first
#define se second
#define db(val) "[" #val " = " << (val) << "] "

const ll mod = 1e9 + 7;
const int maxn = 1e5 + 4;
const int INF = 1e9;
const int N = 18;

int n, k, a[maxn], dp[maxn][105], spt[maxn][20];

int get(int l, int r) {
    int j = __lg(r - l + 1);
    return max(spt[l][j], spt[r - (1 << j) + 1][j]);
}

void Solve(int l, int r, int optL, int optR, int k) {
    if (l > r) return;
    int m = (l + r) / 2, opt = optL;
    for (int i = optL; i <= min(m - 1, optR); i++) {
        if (dp[i][k - 1] + get(i + 1, m) < dp[m][k]) {
            dp[m][k] = dp[i][k - 1] + get(i + 1, m);
            opt = i;
        }
    }
    Solve(l, m - 1, optL, opt, k);
    Solve(m + 1, r, opt, optR, k);
}

signed main()
{
    ios::sync_with_stdio(0);
    cin.tie(0); cout.tie(0);
    //freopen("BLOCKS.INP", "r", stdin);
    //freopen("BLOCKS.OUT", "w", stdout);
    cin >> n >> k;
    for (int i = 1; i <= n; i++) {
        cin >> a[i];
        spt[i][0] = a[i];
    }
    for (int j = 1; j <= N; j++)
        for (int i = 1; i + (1 << j) - 1 <= n; i++)
            spt[i][j] = max(spt[i][j - 1], spt[i + (1 << (j - 1))][j - 1]);
    memset(dp, 63, sizeof dp);
    for (int i = 1; i <= n; i++)
        dp[i][1] = get(1, i);
    if (n <= 100) {
        for (int t = 2; t <= k; t++) {
            for (int i = 1; i <= n; i++) {
                for (int j = 1; j < i; j++) {
                    if (dp[j][t - 1] + get(j + 1, i) < dp[i][t]) {
                        dp[i][t] = dp[j][t - 1] + get(j + 1, i);
                    }
                }
            }
        }
    }
    else {
        for (int t = 2; t <= k; t++)
            Solve(1, n, 1, n, t);
    }
    cout << dp[n][k];
}

Subtask #1
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 31 ms 82508 KB Output is correct
2 Correct 31 ms 82516 KB Output is correct
3 Correct 30 ms 82468 KB Output is correct
4 Correct 33 ms 82404 KB Output is correct
5 Correct 32 ms 82500 KB Output is correct
6 Correct 35 ms 82520 KB Output is correct
7 Correct 33 ms 82380 KB Output is correct
8 Correct 36 ms 82432 KB Output is correct
9 Correct 31 ms 82516 KB Output is correct
10 Correct 33 ms 82396 KB Output is correct
11 Correct 35 ms 82468 KB Output is correct
12 Correct 32 ms 82508 KB Output is correct
13 Correct 34 ms 82508 KB Output is correct
14 Correct 32 ms 82544 KB Output is correct
15 Correct 31 ms 82496 KB Output is correct
16 Correct 35 ms 82436 KB Output is correct
17 Correct 39 ms 82496 KB Output is correct
18 Correct 34 ms 82468 KB Output is correct

Subtask #2
18.0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 31 ms 82516 KB Output is correct
2 Correct 33 ms 82464 KB Output is correct
3 Correct 38 ms 82484 KB Output is correct
4 Correct 32 ms 82516 KB Output is correct
5 Correct 34 ms 82504 KB Output is correct
6 Correct 42 ms 82436 KB Output is correct
7 Correct 36 ms 82432 KB Output is correct
8 Correct 32 ms 82420 KB Output is correct
9 Correct 33 ms 82484 KB Output is correct
10 Correct 33 ms 82400 KB Output is correct
11 Correct 32 ms 82460 KB Output is correct
12 Correct 32 ms 82444 KB Output is correct
13 Correct 33 ms 82476 KB Output is correct
14 Correct 35 ms 82384 KB Output is correct
15 Correct 35 ms 82508 KB Output is correct
16 Correct 37 ms 82508 KB Output is correct
17 Correct 34 ms 82516 KB Output is correct
18 Correct 36 ms 82436 KB Output is correct
19 Correct 37 ms 82464 KB Output is correct
20 Correct 37 ms 82448 KB Output is correct

Subtask #3
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 31 ms 82508 KB Output is correct
2 Correct 31 ms 82516 KB Output is correct
3 Correct 30 ms 82468 KB Output is correct
4 Correct 33 ms 82404 KB Output is correct
5 Correct 32 ms 82500 KB Output is correct
6 Correct 35 ms 82520 KB Output is correct
7 Correct 33 ms 82380 KB Output is correct
8 Correct 36 ms 82432 KB Output is correct
9 Correct 31 ms 82516 KB Output is correct
10 Correct 33 ms 82396 KB Output is correct
11 Correct 35 ms 82468 KB Output is correct
12 Correct 32 ms 82508 KB Output is correct
13 Correct 34 ms 82508 KB Output is correct
14 Correct 32 ms 82544 KB Output is correct
15 Correct 31 ms 82496 KB Output is correct
16 Correct 35 ms 82436 KB Output is correct
17 Correct 39 ms 82496 KB Output is correct
18 Correct 34 ms 82468 KB Output is correct
19 Correct 31 ms 82516 KB Output is correct
20 Correct 33 ms 82464 KB Output is correct
21 Correct 38 ms 82484 KB Output is correct
22 Correct 32 ms 82516 KB Output is correct
23 Correct 34 ms 82504 KB Output is correct
24 Correct 42 ms 82436 KB Output is correct
25 Correct 36 ms 82432 KB Output is correct
26 Correct 32 ms 82420 KB Output is correct
27 Correct 33 ms 82484 KB Output is correct
28 Correct 33 ms 82400 KB Output is correct
29 Correct 32 ms 82460 KB Output is correct
30 Correct 32 ms 82444 KB Output is correct
31 Correct 33 ms 82476 KB Output is correct
32 Correct 35 ms 82384 KB Output is correct
33 Correct 35 ms 82508 KB Output is correct
34 Correct 37 ms 82508 KB Output is correct
35 Correct 34 ms 82516 KB Output is correct
36 Correct 36 ms 82436 KB Output is correct
37 Correct 37 ms 82464 KB Output is correct
38 Correct 37 ms 82448 KB Output is correct
39 Correct 40 ms 82516 KB Output is correct
40 Correct 38 ms 82392 KB Output is correct
41 Correct 36 ms 82520 KB Output is correct
42 Correct 34 ms 82452 KB Output is correct
43 Correct 33 ms 82516 KB Output is correct
44 Correct 39 ms 82408 KB Output is correct
45 Correct 33 ms 82380 KB Output is correct
46 Correct 36 ms 82380 KB Output is correct
47 Correct 33 ms 82496 KB Output is correct
48 Correct 32 ms 82496 KB Output is correct
49 Correct 33 ms 82508 KB Output is correct
50 Correct 36 ms 82508 KB Output is correct
51 Correct 38 ms 82504 KB Output is correct
52 Correct 34 ms 82420 KB Output is correct
53 Correct 42 ms 82528 KB Output is correct
54 Correct 40 ms 82440 KB Output is correct
55 Correct 33 ms 82512 KB Output is correct
56 Correct 33 ms 82492 KB Output is correct
57 Correct 44 ms 82520 KB Output is correct

Subtask #4
0 / 47.0

# Verdict Execution time Memory Grader output
1 Correct 31 ms 82508 KB Output is correct
2 Correct 31 ms 82516 KB Output is correct
3 Correct 30 ms 82468 KB Output is correct
4 Correct 33 ms 82404 KB Output is correct
5 Correct 32 ms 82500 KB Output is correct
6 Correct 35 ms 82520 KB Output is correct
7 Correct 33 ms 82380 KB Output is correct
8 Correct 36 ms 82432 KB Output is correct
9 Correct 31 ms 82516 KB Output is correct
10 Correct 33 ms 82396 KB Output is correct
11 Correct 35 ms 82468 KB Output is correct
12 Correct 32 ms 82508 KB Output is correct
13 Correct 34 ms 82508 KB Output is correct
14 Correct 32 ms 82544 KB Output is correct
15 Correct 31 ms 82496 KB Output is correct
16 Correct 35 ms 82436 KB Output is correct
17 Correct 39 ms 82496 KB Output is correct
18 Correct 34 ms 82468 KB Output is correct
19 Correct 31 ms 82516 KB Output is correct
20 Correct 33 ms 82464 KB Output is correct
21 Correct 38 ms 82484 KB Output is correct
22 Correct 32 ms 82516 KB Output is correct
23 Correct 34 ms 82504 KB Output is correct
24 Correct 42 ms 82436 KB Output is correct
25 Correct 36 ms 82432 KB Output is correct
26 Correct 32 ms 82420 KB Output is correct
27 Correct 33 ms 82484 KB Output is correct
28 Correct 33 ms 82400 KB Output is correct
29 Correct 32 ms 82460 KB Output is correct
30 Correct 32 ms 82444 KB Output is correct
31 Correct 33 ms 82476 KB Output is correct
32 Correct 35 ms 82384 KB Output is correct
33 Correct 35 ms 82508 KB Output is correct
34 Correct 37 ms 82508 KB Output is correct
35 Correct 34 ms 82516 KB Output is correct
36 Correct 36 ms 82436 KB Output is correct
37 Correct 37 ms 82464 KB Output is correct
38 Correct 37 ms 82448 KB Output is correct
39 Correct 40 ms 82516 KB Output is correct
40 Correct 38 ms 82392 KB Output is correct
41 Correct 36 ms 82520 KB Output is correct
42 Correct 34 ms 82452 KB Output is correct
43 Correct 33 ms 82516 KB Output is correct
44 Correct 39 ms 82408 KB Output is correct
45 Correct 33 ms 82380 KB Output is correct
46 Correct 36 ms 82380 KB Output is correct
47 Correct 33 ms 82496 KB Output is correct
48 Correct 32 ms 82496 KB Output is correct
49 Correct 33 ms 82508 KB Output is correct
50 Correct 36 ms 82508 KB Output is correct
51 Correct 38 ms 82504 KB Output is correct
52 Correct 34 ms 82420 KB Output is correct
53 Correct 42 ms 82528 KB Output is correct
54 Correct 40 ms 82440 KB Output is correct
55 Correct 33 ms 82512 KB Output is correct
56 Correct 33 ms 82492 KB Output is correct
57 Correct 44 ms 82520 KB Output is correct
58 Correct 67 ms 84076 KB Output is correct
59 Correct 47 ms 89756 KB Output is correct
60 Correct 108 ms 89824 KB Output is correct
61 Incorrect 956 ms 89848 KB Output isn't correct
62 Halted 0 ms 0 KB -