oj.uz

Submission #646296

# Submission time Handle Problem Language Result Execution time Memory
646296 2022-09-29T12:19:40 Z ymm K blocks (IZhO14_blocks) C++17
100 / 100
 601 ms 8076 KB 
#include <bits/stdc++.h>
#define Loop(x,l,r) for (ll x = (l); x < (ll)(r); ++x)
#define LoopR(x,l,r) for (ll x = (r)-1; x >= (ll)(l); --x)
typedef long long ll;
typedef std::pair<int, int> pii;
typedef std::pair<ll , ll > pll;
using namespace std;

const int N = 131072;
const int K = 110;
const ll inf = 1e15;
ll dp[2][N];
ll a[N];
int n;

#pragma GCC optimize("O3,unroll-loops")
#define MIN(x, y) ((x)<(y)?(x):(y))

ll seg[2][2*N];
ll get(int k, int l, int r)
{
	l += N; r += N;
	ll ans = inf;
	while (l < r) {
		if (l&1) { ans = MIN(ans, seg[k][l]); ++l; }
		if (r&1) { --r; ans = MIN(ans, seg[k][r]); }
		l /= 2; r /= 2;
	}
	return ans;
}
void up(int k, int i, ll x)
{
	i += N;
	Loop (_,0,18) {
		seg[k][i] = MIN(seg[k][i], x);
		i /= 2;
	}
}

int main()
{
	cin.tie(0) -> sync_with_stdio(false);
	int k;
	cin >> n >> k;
	Loop (i,0,n)
		cin >> a[i];
	fill(seg[1], seg[1]+2*N, inf);
	dp[1][0] = a[0];
	up(1, 0, dp[1][0]);
	Loop (i,1,n) {
		dp[1][i] = max(dp[1][i-1], a[i]);
		up(1, i, dp[1][i]);
	}
	Loop (j,1,k) {
		int j2 = j&1;
		fill(seg[!j2], seg[!j2]+2*N, inf);
		dp[!j2][0] = inf;
		vector<int> vec = {0};
		Loop (i,1,n) {
			while (vec.size() && a[vec.back()] < a[i])
				vec.pop_back();
			dp[!j2][i] = get(j2, vec.size()?
					     vec.back():
					     0, i) + a[i];
			if (vec.size()) {
				dp[!j2][i] = min(dp[!j2][i],
					         dp[!j2][vec.back()]);
			}
			up(!j2, i, dp[!j2][i]);
			vec.push_back(i);
		}	
	}
	cout << dp[k&1][n-1] << '\n';
}

Subtask #1
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2388 KB Output is correct
2 Correct 1 ms 2388 KB Output is correct
3 Correct 1 ms 2388 KB Output is correct
4 Correct 2 ms 4436 KB Output is correct
5 Correct 2 ms 4436 KB Output is correct
6 Correct 1 ms 2388 KB Output is correct
7 Correct 2 ms 4436 KB Output is correct
8 Correct 2 ms 4436 KB Output is correct
9 Correct 2 ms 4436 KB Output is correct
10 Correct 2 ms 4436 KB Output is correct
11 Correct 3 ms 4436 KB Output is correct
12 Correct 1 ms 2388 KB Output is correct
13 Correct 2 ms 4436 KB Output is correct
14 Correct 2 ms 4436 KB Output is correct
15 Correct 1 ms 2308 KB Output is correct
16 Correct 2 ms 4436 KB Output is correct
17 Correct 1 ms 2388 KB Output is correct
18 Correct 2 ms 4312 KB Output is correct

Subtask #2
18.0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2388 KB Output is correct
2 Correct 1 ms 2388 KB Output is correct
3 Correct 1 ms 2388 KB Output is correct
4 Correct 2 ms 4436 KB Output is correct
5 Correct 2 ms 4436 KB Output is correct
6 Correct 2 ms 2388 KB Output is correct
7 Correct 2 ms 4436 KB Output is correct
8 Correct 2 ms 4436 KB Output is correct
9 Correct 2 ms 4436 KB Output is correct
10 Correct 2 ms 4436 KB Output is correct
11 Correct 2 ms 4436 KB Output is correct
12 Correct 3 ms 4436 KB Output is correct
13 Correct 3 ms 4376 KB Output is correct
14 Correct 3 ms 4436 KB Output is correct
15 Correct 3 ms 4436 KB Output is correct
16 Correct 3 ms 4436 KB Output is correct
17 Correct 2 ms 4436 KB Output is correct
18 Correct 2 ms 4436 KB Output is correct
19 Correct 3 ms 4436 KB Output is correct
20 Correct 3 ms 4436 KB Output is correct

Subtask #3
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2388 KB Output is correct
2 Correct 1 ms 2388 KB Output is correct
3 Correct 1 ms 2388 KB Output is correct
4 Correct 2 ms 4436 KB Output is correct
5 Correct 2 ms 4436 KB Output is correct
6 Correct 1 ms 2388 KB Output is correct
7 Correct 2 ms 4436 KB Output is correct
8 Correct 2 ms 4436 KB Output is correct
9 Correct 2 ms 4436 KB Output is correct
10 Correct 2 ms 4436 KB Output is correct
11 Correct 3 ms 4436 KB Output is correct
12 Correct 1 ms 2388 KB Output is correct
13 Correct 2 ms 4436 KB Output is correct
14 Correct 2 ms 4436 KB Output is correct
15 Correct 1 ms 2308 KB Output is correct
16 Correct 2 ms 4436 KB Output is correct
17 Correct 1 ms 2388 KB Output is correct
18 Correct 2 ms 4312 KB Output is correct
19 Correct 1 ms 2388 KB Output is correct
20 Correct 1 ms 2388 KB Output is correct
21 Correct 1 ms 2388 KB Output is correct
22 Correct 2 ms 4436 KB Output is correct
23 Correct 2 ms 4436 KB Output is correct
24 Correct 2 ms 2388 KB Output is correct
25 Correct 2 ms 4436 KB Output is correct
26 Correct 2 ms 4436 KB Output is correct
27 Correct 2 ms 4436 KB Output is correct
28 Correct 2 ms 4436 KB Output is correct
29 Correct 2 ms 4436 KB Output is correct
30 Correct 3 ms 4436 KB Output is correct
31 Correct 3 ms 4376 KB Output is correct
32 Correct 3 ms 4436 KB Output is correct
33 Correct 3 ms 4436 KB Output is correct
34 Correct 3 ms 4436 KB Output is correct
35 Correct 2 ms 4436 KB Output is correct
36 Correct 2 ms 4436 KB Output is correct
37 Correct 3 ms 4436 KB Output is correct
38 Correct 3 ms 4436 KB Output is correct
39 Correct 4 ms 4436 KB Output is correct
40 Correct 1 ms 2388 KB Output is correct
41 Correct 1 ms 2336 KB Output is correct
42 Correct 1 ms 2388 KB Output is correct
43 Correct 2 ms 4308 KB Output is correct
44 Correct 2 ms 4436 KB Output is correct
45 Correct 1 ms 2388 KB Output is correct
46 Correct 2 ms 4436 KB Output is correct
47 Correct 2 ms 4436 KB Output is correct
48 Correct 3 ms 4436 KB Output is correct
49 Correct 3 ms 4436 KB Output is correct
50 Correct 2 ms 4436 KB Output is correct
51 Correct 4 ms 4436 KB Output is correct
52 Correct 5 ms 4436 KB Output is correct
53 Correct 10 ms 4436 KB Output is correct
54 Correct 7 ms 4436 KB Output is correct
55 Correct 6 ms 4436 KB Output is correct
56 Correct 9 ms 4436 KB Output is correct
57 Correct 7 ms 4440 KB Output is correct

Subtask #4
47.0 / 47.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2388 KB Output is correct
2 Correct 1 ms 2388 KB Output is correct
3 Correct 1 ms 2388 KB Output is correct
4 Correct 2 ms 4436 KB Output is correct
5 Correct 2 ms 4436 KB Output is correct
6 Correct 1 ms 2388 KB Output is correct
7 Correct 2 ms 4436 KB Output is correct
8 Correct 2 ms 4436 KB Output is correct
9 Correct 2 ms 4436 KB Output is correct
10 Correct 2 ms 4436 KB Output is correct
11 Correct 3 ms 4436 KB Output is correct
12 Correct 1 ms 2388 KB Output is correct
13 Correct 2 ms 4436 KB Output is correct
14 Correct 2 ms 4436 KB Output is correct
15 Correct 1 ms 2308 KB Output is correct
16 Correct 2 ms 4436 KB Output is correct
17 Correct 1 ms 2388 KB Output is correct
18 Correct 2 ms 4312 KB Output is correct
19 Correct 1 ms 2388 KB Output is correct
20 Correct 1 ms 2388 KB Output is correct
21 Correct 1 ms 2388 KB Output is correct
22 Correct 2 ms 4436 KB Output is correct
23 Correct 2 ms 4436 KB Output is correct
24 Correct 2 ms 2388 KB Output is correct
25 Correct 2 ms 4436 KB Output is correct
26 Correct 2 ms 4436 KB Output is correct
27 Correct 2 ms 4436 KB Output is correct
28 Correct 2 ms 4436 KB Output is correct
29 Correct 2 ms 4436 KB Output is correct
30 Correct 3 ms 4436 KB Output is correct
31 Correct 3 ms 4376 KB Output is correct
32 Correct 3 ms 4436 KB Output is correct
33 Correct 3 ms 4436 KB Output is correct
34 Correct 3 ms 4436 KB Output is correct
35 Correct 2 ms 4436 KB Output is correct
36 Correct 2 ms 4436 KB Output is correct
37 Correct 3 ms 4436 KB Output is correct
38 Correct 3 ms 4436 KB Output is correct
39 Correct 4 ms 4436 KB Output is correct
40 Correct 1 ms 2388 KB Output is correct
41 Correct 1 ms 2336 KB Output is correct
42 Correct 1 ms 2388 KB Output is correct
43 Correct 2 ms 4308 KB Output is correct
44 Correct 2 ms 4436 KB Output is correct
45 Correct 1 ms 2388 KB Output is correct
46 Correct 2 ms 4436 KB Output is correct
47 Correct 2 ms 4436 KB Output is correct
48 Correct 3 ms 4436 KB Output is correct
49 Correct 3 ms 4436 KB Output is correct
50 Correct 2 ms 4436 KB Output is correct
51 Correct 4 ms 4436 KB Output is correct
52 Correct 5 ms 4436 KB Output is correct
53 Correct 10 ms 4436 KB Output is correct
54 Correct 7 ms 4436 KB Output is correct
55 Correct 6 ms 4436 KB Output is correct
56 Correct 9 ms 4436 KB Output is correct
57 Correct 7 ms 4440 KB Output is correct
58 Correct 18 ms 4668 KB Output is correct
59 Correct 6 ms 3028 KB Output is correct
60 Correct 22 ms 5460 KB Output is correct
61 Correct 201 ms 5580 KB Output is correct
62 Correct 601 ms 6776 KB Output is correct
63 Correct 25 ms 7368 KB Output is correct
64 Correct 275 ms 7488 KB Output is correct
65 Correct 4 ms 4436 KB Output is correct
66 Correct 5 ms 4436 KB Output is correct
67 Correct 6 ms 4428 KB Output is correct
68 Correct 5 ms 4436 KB Output is correct
69 Correct 1 ms 2388 KB Output is correct
70 Correct 3 ms 4436 KB Output is correct
71 Correct 59 ms 4724 KB Output is correct
72 Correct 4 ms 4692 KB Output is correct
73 Correct 17 ms 4692 KB Output is correct
74 Correct 6 ms 3284 KB Output is correct
75 Correct 22 ms 5784 KB Output is correct
76 Correct 193 ms 5764 KB Output is correct
77 Correct 552 ms 7492 KB Output is correct
78 Correct 23 ms 7316 KB Output is correct
79 Correct 252 ms 7484 KB Output is correct
80 Correct 11 ms 4576 KB Output is correct
81 Correct 62 ms 7380 KB Output is correct
82 Correct 541 ms 7444 KB Output is correct
83 Correct 2 ms 2388 KB Output is correct
84 Correct 3 ms 4424 KB Output is correct
85 Correct 49 ms 4780 KB Output is correct
86 Correct 3 ms 4692 KB Output is correct
87 Correct 14 ms 4692 KB Output is correct
88 Correct 6 ms 3304 KB Output is correct
89 Correct 19 ms 5992 KB Output is correct
90 Correct 163 ms 6000 KB Output is correct
91 Correct 432 ms 8076 KB Output is correct
92 Correct 21 ms 7848 KB Output is correct
93 Correct 204 ms 7884 KB Output is correct
94 Correct 4 ms 4692 KB Output is correct
95 Correct 63 ms 4692 KB Output is correct
96 Correct 3 ms 4436 KB Output is correct
97 Correct 1 ms 2388 KB Output is correct
98 Correct 2 ms 4340 KB Output is correct
99 Correct 3 ms 4436 KB Output is correct