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Submission #646295

# Submission time Handle Problem Language Result Execution time Memory
646295 2022-09-29T12:10:58 Z ymm K blocks (IZhO14_blocks) C++17
53 / 100
 631 ms 262144 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[K][N];
ll a[N];
int n;

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

ll seg[K][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];
	memset(seg, 32 /* inf */, sizeof(seg));
	dp[1][0] = a[0];
	up(1, 0, dp[1][0]);
	Loop (i,2,k+1)
		dp[i][0] = inf;
	vector<int> vec;
	vec.push_back(0);
	Loop (i,1,n) {
		while (vec.size() && a[vec.back()] < a[i])
			vec.pop_back();
		dp[1][i] = max(a[i], dp[1][i-1]);
		up(1, i, dp[1][i]);
		Loop (j,2,k+1) {
			dp[j][i] = get(j-1, vec.size()?
			                    vec.back():
			                    0, i) + a[i];
			if (vec.size()) {
				dp[j][i] = min(dp[j][i],
				               dp[j][vec.back()]);
			}
			up(j, i, dp[j][i]);
		}
		vec.push_back(i);
	}	
	cout << dp[k][n-1] << '\n';
}

Subtask #1
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 84 ms 226020 KB Output is correct
2 Correct 97 ms 225956 KB Output is correct
3 Correct 82 ms 226016 KB Output is correct
4 Correct 81 ms 225960 KB Output is correct
5 Correct 83 ms 226028 KB Output is correct
6 Correct 81 ms 225968 KB Output is correct
7 Correct 95 ms 225924 KB Output is correct
8 Correct 81 ms 226000 KB Output is correct
9 Correct 90 ms 225996 KB Output is correct
10 Correct 81 ms 225984 KB Output is correct
11 Correct 79 ms 225988 KB Output is correct
12 Correct 89 ms 225996 KB Output is correct
13 Correct 81 ms 226016 KB Output is correct
14 Correct 81 ms 226060 KB Output is correct
15 Correct 85 ms 226000 KB Output is correct
16 Correct 80 ms 226052 KB Output is correct
17 Correct 85 ms 225992 KB Output is correct
18 Correct 82 ms 225952 KB Output is correct

Subtask #2
18.0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 81 ms 226016 KB Output is correct
2 Correct 81 ms 226036 KB Output is correct
3 Correct 83 ms 225980 KB Output is correct
4 Correct 81 ms 225992 KB Output is correct
5 Correct 82 ms 226144 KB Output is correct
6 Correct 81 ms 225976 KB Output is correct
7 Correct 80 ms 225928 KB Output is correct
8 Correct 96 ms 225984 KB Output is correct
9 Correct 82 ms 225960 KB Output is correct
10 Correct 81 ms 225996 KB Output is correct
11 Correct 83 ms 226000 KB Output is correct
12 Correct 91 ms 226072 KB Output is correct
13 Correct 85 ms 225972 KB Output is correct
14 Correct 79 ms 226140 KB Output is correct
15 Correct 85 ms 226076 KB Output is correct
16 Correct 82 ms 226076 KB Output is correct
17 Correct 88 ms 226068 KB Output is correct
18 Correct 82 ms 226064 KB Output is correct
19 Correct 82 ms 226000 KB Output is correct
20 Correct 80 ms 226124 KB Output is correct

Subtask #3
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 84 ms 226020 KB Output is correct
2 Correct 97 ms 225956 KB Output is correct
3 Correct 82 ms 226016 KB Output is correct
4 Correct 81 ms 225960 KB Output is correct
5 Correct 83 ms 226028 KB Output is correct
6 Correct 81 ms 225968 KB Output is correct
7 Correct 95 ms 225924 KB Output is correct
8 Correct 81 ms 226000 KB Output is correct
9 Correct 90 ms 225996 KB Output is correct
10 Correct 81 ms 225984 KB Output is correct
11 Correct 79 ms 225988 KB Output is correct
12 Correct 89 ms 225996 KB Output is correct
13 Correct 81 ms 226016 KB Output is correct
14 Correct 81 ms 226060 KB Output is correct
15 Correct 85 ms 226000 KB Output is correct
16 Correct 80 ms 226052 KB Output is correct
17 Correct 85 ms 225992 KB Output is correct
18 Correct 82 ms 225952 KB Output is correct
19 Correct 81 ms 226016 KB Output is correct
20 Correct 81 ms 226036 KB Output is correct
21 Correct 83 ms 225980 KB Output is correct
22 Correct 81 ms 225992 KB Output is correct
23 Correct 82 ms 226144 KB Output is correct
24 Correct 81 ms 225976 KB Output is correct
25 Correct 80 ms 225928 KB Output is correct
26 Correct 96 ms 225984 KB Output is correct
27 Correct 82 ms 225960 KB Output is correct
28 Correct 81 ms 225996 KB Output is correct
29 Correct 83 ms 226000 KB Output is correct
30 Correct 91 ms 226072 KB Output is correct
31 Correct 85 ms 225972 KB Output is correct
32 Correct 79 ms 226140 KB Output is correct
33 Correct 85 ms 226076 KB Output is correct
34 Correct 82 ms 226076 KB Output is correct
35 Correct 88 ms 226068 KB Output is correct
36 Correct 82 ms 226064 KB Output is correct
37 Correct 82 ms 226000 KB Output is correct
38 Correct 80 ms 226124 KB Output is correct
39 Correct 87 ms 226280 KB Output is correct
40 Correct 84 ms 225972 KB Output is correct
41 Correct 81 ms 225996 KB Output is correct
42 Correct 81 ms 226020 KB Output is correct
43 Correct 82 ms 225936 KB Output is correct
44 Correct 82 ms 225956 KB Output is correct
45 Correct 80 ms 225992 KB Output is correct
46 Correct 82 ms 226000 KB Output is correct
47 Correct 81 ms 225996 KB Output is correct
48 Correct 83 ms 225924 KB Output is correct
49 Correct 82 ms 225956 KB Output is correct
50 Correct 84 ms 225984 KB Output is correct
51 Correct 81 ms 226172 KB Output is correct
52 Correct 86 ms 226124 KB Output is correct
53 Correct 84 ms 226620 KB Output is correct
54 Correct 81 ms 226592 KB Output is correct
55 Correct 82 ms 226432 KB Output is correct
56 Correct 90 ms 226608 KB Output is correct
57 Correct 85 ms 226612 KB Output is correct

Subtask #4
0 / 47.0

# Verdict Execution time Memory Grader output
1 Correct 84 ms 226020 KB Output is correct
2 Correct 97 ms 225956 KB Output is correct
3 Correct 82 ms 226016 KB Output is correct
4 Correct 81 ms 225960 KB Output is correct
5 Correct 83 ms 226028 KB Output is correct
6 Correct 81 ms 225968 KB Output is correct
7 Correct 95 ms 225924 KB Output is correct
8 Correct 81 ms 226000 KB Output is correct
9 Correct 90 ms 225996 KB Output is correct
10 Correct 81 ms 225984 KB Output is correct
11 Correct 79 ms 225988 KB Output is correct
12 Correct 89 ms 225996 KB Output is correct
13 Correct 81 ms 226016 KB Output is correct
14 Correct 81 ms 226060 KB Output is correct
15 Correct 85 ms 226000 KB Output is correct
16 Correct 80 ms 226052 KB Output is correct
17 Correct 85 ms 225992 KB Output is correct
18 Correct 82 ms 225952 KB Output is correct
19 Correct 81 ms 226016 KB Output is correct
20 Correct 81 ms 226036 KB Output is correct
21 Correct 83 ms 225980 KB Output is correct
22 Correct 81 ms 225992 KB Output is correct
23 Correct 82 ms 226144 KB Output is correct
24 Correct 81 ms 225976 KB Output is correct
25 Correct 80 ms 225928 KB Output is correct
26 Correct 96 ms 225984 KB Output is correct
27 Correct 82 ms 225960 KB Output is correct
28 Correct 81 ms 225996 KB Output is correct
29 Correct 83 ms 226000 KB Output is correct
30 Correct 91 ms 226072 KB Output is correct
31 Correct 85 ms 225972 KB Output is correct
32 Correct 79 ms 226140 KB Output is correct
33 Correct 85 ms 226076 KB Output is correct
34 Correct 82 ms 226076 KB Output is correct
35 Correct 88 ms 226068 KB Output is correct
36 Correct 82 ms 226064 KB Output is correct
37 Correct 82 ms 226000 KB Output is correct
38 Correct 80 ms 226124 KB Output is correct
39 Correct 87 ms 226280 KB Output is correct
40 Correct 84 ms 225972 KB Output is correct
41 Correct 81 ms 225996 KB Output is correct
42 Correct 81 ms 226020 KB Output is correct
43 Correct 82 ms 225936 KB Output is correct
44 Correct 82 ms 225956 KB Output is correct
45 Correct 80 ms 225992 KB Output is correct
46 Correct 82 ms 226000 KB Output is correct
47 Correct 81 ms 225996 KB Output is correct
48 Correct 83 ms 225924 KB Output is correct
49 Correct 82 ms 225956 KB Output is correct
50 Correct 84 ms 225984 KB Output is correct
51 Correct 81 ms 226172 KB Output is correct
52 Correct 86 ms 226124 KB Output is correct
53 Correct 84 ms 226620 KB Output is correct
54 Correct 81 ms 226592 KB Output is correct
55 Correct 82 ms 226432 KB Output is correct
56 Correct 90 ms 226608 KB Output is correct
57 Correct 85 ms 226612 KB Output is correct
58 Correct 105 ms 228204 KB Output is correct
59 Correct 95 ms 226956 KB Output is correct
60 Correct 112 ms 229144 KB Output is correct
61 Correct 481 ms 253188 KB Output is correct
62 Runtime error 631 ms 262144 KB Execution killed with signal 9
63 Halted 0 ms 0 KB -