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답안 #841705

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
841705 2023-09-01T22:53:34 Z MinaRagy06 K개의 묶음 (IZhO14_blocks) C++17
100 / 100
 856 ms 10184 KB 
#include <bits/stdc++.h>
using namespace std;
#define endl    '\n'
#define ll      long long
#define md      ((l + r) >> 1)
#pragma GCC optimize("Ofast,O3")

ll dp[2][100'005];
int a[100'005], sparse[17][100'005], lg[100'005];
void build(int n)
{
    for (int i = 1; i <= n; i++) sparse[0][i] = a[i];
    for (int j = 1; j < 17; j++) for (int i = 1; i + (1 << (j - 1)) <= n; i++) sparse[j][i] = max(sparse[j-1][i], sparse[j-1][i + (1 << (j - 1))]);
}
int query(int l, int r)
{
    int sz = lg[r-l+1];
    return max(sparse[sz][l], sparse[sz][r-(1 << sz) + 1]);
}
int n, m;
int mstanyeh(int lvl, int j, int k)
{
    if (dp[lvl & 1][j] - dp[lvl & 1][k] > query(k + 1, n) - query(j + 1, n)) return n + 1;
    int l = max(j + 1, k + 1), r = n;
    while (l <= r)
    {
        dp[lvl & 1][j] - dp[lvl & 1][k] <= query(k + 1, md) - query(j + 1, md)? r = md - 1 : l = md + 1;
    }
    return l;
}
int v[100'005], mstany[100'005], vsz, mstanysz, val;
signed main()
{
    lg[1] = 0;
    for (int i = 2; i < 100'005; i++) lg[i] = lg[i >> 1] + 1;
    cin >> n >> m;
    for (int i = 1; i <= n; i++) cin >> a[i];
    build(n);
    for (int i = 1; i <= n; i++) dp[0][i] = query(1, i);
    dp[0][0] = dp[1][0] = 1e18;
    for (int i = 1; i < m; i++)
    {
        vsz = mstanysz = 0;
        for (int j = 1; j <= n; j++)
        {
            while (vsz > 1 && mstany[mstanysz-1] <= (val = mstanyeh(i - 1, v[vsz-1], j - 1))) vsz--, mstanysz--;
            if (vsz == 1) val = mstanyeh(i - 1, v[vsz-1], j - 1);
            v[vsz++] = j - 1;
            if (vsz > 1) mstany[mstanysz++] = val;
            while (vsz > 1 && mstany[mstanysz-1] <= j) vsz--, mstanysz--;
            dp[i&1][j] = dp[(i - 1)&1][v[vsz-1]] + query(v[vsz-1] + 1, j);
        }
    }
    cout << dp[(m - 1) & 1][n];
    return 0;
}

Subtask #1
14.0 / 14.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 4440 KB Output is correct
2 Correct 3 ms 4440 KB Output is correct
3 Correct 1 ms 4696 KB Output is correct
4 Correct 1 ms 4444 KB Output is correct
5 Correct 1 ms 4440 KB Output is correct
6 Correct 1 ms 4440 KB Output is correct
7 Correct 1 ms 4444 KB Output is correct
8 Correct 1 ms 6492 KB Output is correct
9 Correct 1 ms 6492 KB Output is correct
10 Correct 1 ms 6488 KB Output is correct
11 Correct 1 ms 6488 KB Output is correct
12 Correct 1 ms 6488 KB Output is correct
13 Correct 1 ms 6488 KB Output is correct
14 Correct 1 ms 6488 KB Output is correct
15 Correct 1 ms 6492 KB Output is correct
16 Correct 1 ms 6488 KB Output is correct
17 Correct 1 ms 6488 KB Output is correct
18 Correct 1 ms 6488 KB Output is correct

Subtask #2
18.0 / 18.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 4440 KB Output is correct
2 Correct 1 ms 4440 KB Output is correct
3 Correct 1 ms 4440 KB Output is correct
4 Correct 1 ms 4440 KB Output is correct
5 Correct 1 ms 4440 KB Output is correct
6 Correct 1 ms 4440 KB Output is correct
7 Correct 1 ms 4440 KB Output is correct
8 Correct 1 ms 6488 KB Output is correct
9 Correct 1 ms 6488 KB Output is correct
10 Correct 1 ms 6488 KB Output is correct
11 Correct 1 ms 6492 KB Output is correct
12 Correct 1 ms 6488 KB Output is correct
13 Correct 1 ms 6488 KB Output is correct
14 Correct 1 ms 6488 KB Output is correct
15 Correct 1 ms 6692 KB Output is correct
16 Correct 1 ms 6492 KB Output is correct
17 Correct 1 ms 6488 KB Output is correct
18 Correct 1 ms 6488 KB Output is correct
19 Correct 1 ms 6488 KB Output is correct
20 Correct 1 ms 6488 KB Output is correct

Subtask #3
21.0 / 21.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 4440 KB Output is correct
2 Correct 3 ms 4440 KB Output is correct
3 Correct 1 ms 4696 KB Output is correct
4 Correct 1 ms 4444 KB Output is correct
5 Correct 1 ms 4440 KB Output is correct
6 Correct 1 ms 4440 KB Output is correct
7 Correct 1 ms 4444 KB Output is correct
8 Correct 1 ms 6492 KB Output is correct
9 Correct 1 ms 6492 KB Output is correct
10 Correct 1 ms 6488 KB Output is correct
11 Correct 1 ms 6488 KB Output is correct
12 Correct 1 ms 6488 KB Output is correct
13 Correct 1 ms 6488 KB Output is correct
14 Correct 1 ms 6488 KB Output is correct
15 Correct 1 ms 6492 KB Output is correct
16 Correct 1 ms 6488 KB Output is correct
17 Correct 1 ms 6488 KB Output is correct
18 Correct 1 ms 6488 KB Output is correct
19 Correct 1 ms 4440 KB Output is correct
20 Correct 1 ms 4440 KB Output is correct
21 Correct 1 ms 4440 KB Output is correct
22 Correct 1 ms 4440 KB Output is correct
23 Correct 1 ms 4440 KB Output is correct
24 Correct 1 ms 4440 KB Output is correct
25 Correct 1 ms 4440 KB Output is correct
26 Correct 1 ms 6488 KB Output is correct
27 Correct 1 ms 6488 KB Output is correct
28 Correct 1 ms 6488 KB Output is correct
29 Correct 1 ms 6492 KB Output is correct
30 Correct 1 ms 6488 KB Output is correct
31 Correct 1 ms 6488 KB Output is correct
32 Correct 1 ms 6488 KB Output is correct
33 Correct 1 ms 6692 KB Output is correct
34 Correct 1 ms 6492 KB Output is correct
35 Correct 1 ms 6488 KB Output is correct
36 Correct 1 ms 6488 KB Output is correct
37 Correct 1 ms 6488 KB Output is correct
38 Correct 1 ms 6488 KB Output is correct
39 Correct 1 ms 6488 KB Output is correct
40 Correct 1 ms 4440 KB Output is correct
41 Correct 1 ms 4440 KB Output is correct
42 Correct 1 ms 4696 KB Output is correct
43 Correct 1 ms 4440 KB Output is correct
44 Correct 1 ms 4440 KB Output is correct
45 Correct 1 ms 4440 KB Output is correct
46 Correct 1 ms 4440 KB Output is correct
47 Correct 1 ms 6488 KB Output is correct
48 Correct 1 ms 6488 KB Output is correct
49 Correct 1 ms 6492 KB Output is correct
50 Correct 1 ms 6488 KB Output is correct
51 Correct 1 ms 6488 KB Output is correct
52 Correct 1 ms 6488 KB Output is correct
53 Correct 1 ms 6492 KB Output is correct
54 Correct 1 ms 6488 KB Output is correct
55 Correct 1 ms 6488 KB Output is correct
56 Correct 2 ms 6488 KB Output is correct
57 Correct 1 ms 6492 KB Output is correct

Subtask #4
47.0 / 47.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 4440 KB Output is correct
2 Correct 3 ms 4440 KB Output is correct
3 Correct 1 ms 4696 KB Output is correct
4 Correct 1 ms 4444 KB Output is correct
5 Correct 1 ms 4440 KB Output is correct
6 Correct 1 ms 4440 KB Output is correct
7 Correct 1 ms 4444 KB Output is correct
8 Correct 1 ms 6492 KB Output is correct
9 Correct 1 ms 6492 KB Output is correct
10 Correct 1 ms 6488 KB Output is correct
11 Correct 1 ms 6488 KB Output is correct
12 Correct 1 ms 6488 KB Output is correct
13 Correct 1 ms 6488 KB Output is correct
14 Correct 1 ms 6488 KB Output is correct
15 Correct 1 ms 6492 KB Output is correct
16 Correct 1 ms 6488 KB Output is correct
17 Correct 1 ms 6488 KB Output is correct
18 Correct 1 ms 6488 KB Output is correct
19 Correct 1 ms 4440 KB Output is correct
20 Correct 1 ms 4440 KB Output is correct
21 Correct 1 ms 4440 KB Output is correct
22 Correct 1 ms 4440 KB Output is correct
23 Correct 1 ms 4440 KB Output is correct
24 Correct 1 ms 4440 KB Output is correct
25 Correct 1 ms 4440 KB Output is correct
26 Correct 1 ms 6488 KB Output is correct
27 Correct 1 ms 6488 KB Output is correct
28 Correct 1 ms 6488 KB Output is correct
29 Correct 1 ms 6492 KB Output is correct
30 Correct 1 ms 6488 KB Output is correct
31 Correct 1 ms 6488 KB Output is correct
32 Correct 1 ms 6488 KB Output is correct
33 Correct 1 ms 6692 KB Output is correct
34 Correct 1 ms 6492 KB Output is correct
35 Correct 1 ms 6488 KB Output is correct
36 Correct 1 ms 6488 KB Output is correct
37 Correct 1 ms 6488 KB Output is correct
38 Correct 1 ms 6488 KB Output is correct
39 Correct 1 ms 6488 KB Output is correct
40 Correct 1 ms 4440 KB Output is correct
41 Correct 1 ms 4440 KB Output is correct
42 Correct 1 ms 4696 KB Output is correct
43 Correct 1 ms 4440 KB Output is correct
44 Correct 1 ms 4440 KB Output is correct
45 Correct 1 ms 4440 KB Output is correct
46 Correct 1 ms 4440 KB Output is correct
47 Correct 1 ms 6488 KB Output is correct
48 Correct 1 ms 6488 KB Output is correct
49 Correct 1 ms 6492 KB Output is correct
50 Correct 1 ms 6488 KB Output is correct
51 Correct 1 ms 6488 KB Output is correct
52 Correct 1 ms 6488 KB Output is correct
53 Correct 1 ms 6492 KB Output is correct
54 Correct 1 ms 6488 KB Output is correct
55 Correct 1 ms 6488 KB Output is correct
56 Correct 2 ms 6488 KB Output is correct
57 Correct 1 ms 6492 KB Output is correct
58 Correct 18 ms 8536 KB Output is correct
59 Correct 11 ms 8792 KB Output is correct
60 Correct 30 ms 9048 KB Output is correct
61 Correct 247 ms 9156 KB Output is correct
62 Correct 829 ms 10184 KB Output is correct
63 Correct 38 ms 10064 KB Output is correct
64 Correct 367 ms 10016 KB Output is correct
65 Correct 1 ms 6488 KB Output is correct
66 Correct 1 ms 6488 KB Output is correct
67 Correct 1 ms 6492 KB Output is correct
68 Correct 1 ms 6488 KB Output is correct
69 Correct 2 ms 8536 KB Output is correct
70 Correct 2 ms 8536 KB Output is correct
71 Correct 72 ms 8536 KB Output is correct
72 Correct 5 ms 8536 KB Output is correct
73 Correct 22 ms 8736 KB Output is correct
74 Correct 11 ms 8796 KB Output is correct
75 Correct 34 ms 9304 KB Output is correct
76 Correct 278 ms 9048 KB Output is correct
77 Correct 856 ms 10012 KB Output is correct
78 Correct 42 ms 9808 KB Output is correct
79 Correct 394 ms 9916 KB Output is correct
80 Correct 25 ms 9040 KB Output is correct
81 Correct 105 ms 10012 KB Output is correct
82 Correct 856 ms 10064 KB Output is correct
83 Correct 2 ms 8540 KB Output is correct
84 Correct 2 ms 8540 KB Output is correct
85 Correct 21 ms 8536 KB Output is correct
86 Correct 4 ms 8536 KB Output is correct
87 Correct 9 ms 8728 KB Output is correct
88 Correct 12 ms 8792 KB Output is correct
89 Correct 21 ms 9048 KB Output is correct
90 Correct 75 ms 9156 KB Output is correct
91 Correct 219 ms 9812 KB Output is correct
92 Correct 42 ms 9808 KB Output is correct
93 Correct 113 ms 9912 KB Output is correct
94 Correct 4 ms 8536 KB Output is correct
95 Correct 63 ms 8792 KB Output is correct
96 Correct 2 ms 8536 KB Output is correct
97 Correct 1 ms 8536 KB Output is correct
98 Correct 1 ms 6488 KB Output is correct
99 Correct 1 ms 6492 KB Output is correct