oj.uz

Submission #536099

# Submission time Handle Problem Language Result Execution time Memory
536099 2022-03-12T11:06:38 Z iliaM Financial Report (JOI21_financial) C++17
100 / 100
 629 ms 17484 KB 
#include <bits/stdc++.h>
using namespace std;
#define cerr cerr << "DEBUG "

constexpr int N = 3e5 + 10;

int n, last[N], dp[N], mx[N], d, b[N];
pair<int, int> idx[N];
long long a[N];

void compress() {
	static long long tmp[N];
	memcpy(tmp, a, sizeof(a));
	sort(tmp, tmp + n);
	int m = unique(tmp, tmp + n) - tmp;
	for (int i = 0; i < n; ++i) {
		a[i] = lower_bound(tmp, tmp + m, a[i]) - tmp;
	}
}

int t[N << 1];

void build(int *shit) {
	for (int i = 0; i < n; ++i) {
		t[i + n] = shit[i];
	}
	for (int i = n - 1; i > 0; --i) {
		t[i] = max(t[i << 1], t[i << 1 | 1]);
	}
}

void update(int i, int x) {
	for (t[i += n] = x; i > 1; i >>= 1) {
		t[i >> 1] = max(t[i], t[i ^ 1]);
	}
}

int query(int u, int v) {
	int res = -1e9;
	for (u += n, v += n; u < v; u >>= 1, v >>= 1) {
		if (u & 1) {
			res = max(res, t[u++]);
		}
		if (v & 1) {
			res = max(res, t[--v]);
		}
	}
	return res;
}

int main() {
	ios_base::sync_with_stdio(false);
	cin.tie(nullptr);
		
	cin >> n >> d;
	for (int i = 0; i < n; ++i) {
		cin >> a[i];
	}
	compress();
	for (int i = 0; i < n; ++i) {
		idx[i] = {a[i], -i};
		b[i] = -a[i];
	}
	
	fill(t, t + 2 * N, -1e9);
	build(b);
	for (int i = 0; i < n; ++i) {
		mx[i] = -query(max(0, i - d), i);
		//cout << mx[i] << ' ';
	}
	//cout << '\n';
	build(mx);
	for (int i = 0; i < n; ++i) {
		int low = i + d + 1, high = n - 1;
		//cerr << low << ' ' << high << '\n';
		while (high - low > 0) {
			int mid = (high + low) >> 1;
			if (query(i + d + 1, mid + 1) > a[i]) {
				high = mid;
			} else {
				low = mid + 1;
			}
		}
		//cerr << min(n, low) << '\n';
		last[i] = min(n, low);
	}

	sort(idx, idx + n, greater<pair<int, int>>());

	fill(t, t + 2 * N, -1e9);
	for (int j = 0; j < n; ++j) {
		int i = -idx[j].second;
		dp[i] = max(query(i + 1, last[i]), 0) + 1;
		update(i, dp[i]);
	}
	/*for (int i = 0; i < n; ++i) {
		cout << i << ": " << -b[i] << ' ' << last[i] << ' ' << dp[i] << '\n';
	}*/
	cout << *max_element(dp, dp + n);
}

Subtask #1
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 4948 KB Output is correct
2 Correct 3 ms 4948 KB Output is correct
3 Correct 3 ms 4948 KB Output is correct
4 Correct 3 ms 5028 KB Output is correct
5 Correct 3 ms 4948 KB Output is correct
6 Correct 3 ms 4948 KB Output is correct
7 Correct 3 ms 4948 KB Output is correct
8 Correct 3 ms 4948 KB Output is correct
9 Correct 3 ms 4948 KB Output is correct
10 Correct 3 ms 4948 KB Output is correct
11 Correct 3 ms 4948 KB Output is correct
12 Correct 3 ms 4948 KB Output is correct
13 Correct 3 ms 4948 KB Output is correct
14 Correct 3 ms 4948 KB Output is correct
15 Correct 3 ms 4948 KB Output is correct
16 Correct 3 ms 4948 KB Output is correct
17 Correct 3 ms 4948 KB Output is correct
18 Correct 3 ms 4948 KB Output is correct
19 Correct 3 ms 4948 KB Output is correct
20 Correct 3 ms 4948 KB Output is correct
21 Correct 3 ms 4948 KB Output is correct
22 Correct 3 ms 5004 KB Output is correct
23 Correct 3 ms 4948 KB Output is correct
24 Correct 3 ms 4948 KB Output is correct
25 Correct 3 ms 4948 KB Output is correct
26 Correct 3 ms 4948 KB Output is correct

Subtask #2
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 4948 KB Output is correct
2 Correct 3 ms 4948 KB Output is correct
3 Correct 3 ms 4948 KB Output is correct
4 Correct 3 ms 5028 KB Output is correct
5 Correct 3 ms 4948 KB Output is correct
6 Correct 3 ms 4948 KB Output is correct
7 Correct 3 ms 4948 KB Output is correct
8 Correct 3 ms 4948 KB Output is correct
9 Correct 3 ms 4948 KB Output is correct
10 Correct 3 ms 4948 KB Output is correct
11 Correct 3 ms 4948 KB Output is correct
12 Correct 3 ms 4948 KB Output is correct
13 Correct 3 ms 4948 KB Output is correct
14 Correct 3 ms 4948 KB Output is correct
15 Correct 3 ms 4948 KB Output is correct
16 Correct 3 ms 4948 KB Output is correct
17 Correct 3 ms 4948 KB Output is correct
18 Correct 3 ms 4948 KB Output is correct
19 Correct 3 ms 4948 KB Output is correct
20 Correct 3 ms 4948 KB Output is correct
21 Correct 3 ms 4948 KB Output is correct
22 Correct 3 ms 5004 KB Output is correct
23 Correct 3 ms 4948 KB Output is correct
24 Correct 3 ms 4948 KB Output is correct
25 Correct 3 ms 4948 KB Output is correct
26 Correct 3 ms 4948 KB Output is correct
27 Correct 4 ms 5032 KB Output is correct
28 Correct 3 ms 4976 KB Output is correct
29 Correct 4 ms 4948 KB Output is correct
30 Correct 3 ms 4948 KB Output is correct
31 Correct 4 ms 5060 KB Output is correct
32 Correct 3 ms 5076 KB Output is correct
33 Correct 3 ms 4948 KB Output is correct
34 Correct 4 ms 4948 KB Output is correct
35 Correct 3 ms 5068 KB Output is correct
36 Correct 5 ms 4948 KB Output is correct
37 Correct 3 ms 4948 KB Output is correct
38 Correct 3 ms 4948 KB Output is correct
39 Correct 3 ms 5064 KB Output is correct
40 Correct 5 ms 4948 KB Output is correct

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 4948 KB Output is correct
2 Correct 3 ms 4948 KB Output is correct
3 Correct 3 ms 4948 KB Output is correct
4 Correct 3 ms 5028 KB Output is correct
5 Correct 3 ms 4948 KB Output is correct
6 Correct 3 ms 4948 KB Output is correct
7 Correct 3 ms 4948 KB Output is correct
8 Correct 3 ms 4948 KB Output is correct
9 Correct 3 ms 4948 KB Output is correct
10 Correct 3 ms 4948 KB Output is correct
11 Correct 3 ms 4948 KB Output is correct
12 Correct 3 ms 4948 KB Output is correct
13 Correct 3 ms 4948 KB Output is correct
14 Correct 3 ms 4948 KB Output is correct
15 Correct 3 ms 4948 KB Output is correct
16 Correct 3 ms 4948 KB Output is correct
17 Correct 3 ms 4948 KB Output is correct
18 Correct 3 ms 4948 KB Output is correct
19 Correct 3 ms 4948 KB Output is correct
20 Correct 3 ms 4948 KB Output is correct
21 Correct 3 ms 4948 KB Output is correct
22 Correct 3 ms 5004 KB Output is correct
23 Correct 3 ms 4948 KB Output is correct
24 Correct 3 ms 4948 KB Output is correct
25 Correct 3 ms 4948 KB Output is correct
26 Correct 3 ms 4948 KB Output is correct
27 Correct 4 ms 5032 KB Output is correct
28 Correct 3 ms 4976 KB Output is correct
29 Correct 4 ms 4948 KB Output is correct
30 Correct 3 ms 4948 KB Output is correct
31 Correct 4 ms 5060 KB Output is correct
32 Correct 3 ms 5076 KB Output is correct
33 Correct 3 ms 4948 KB Output is correct
34 Correct 4 ms 4948 KB Output is correct
35 Correct 3 ms 5068 KB Output is correct
36 Correct 5 ms 4948 KB Output is correct
37 Correct 3 ms 4948 KB Output is correct
38 Correct 3 ms 4948 KB Output is correct
39 Correct 3 ms 5064 KB Output is correct
40 Correct 5 ms 4948 KB Output is correct
41 Correct 9 ms 5332 KB Output is correct
42 Correct 9 ms 5288 KB Output is correct
43 Correct 10 ms 5204 KB Output is correct
44 Correct 10 ms 5308 KB Output is correct
45 Correct 10 ms 5288 KB Output is correct
46 Correct 6 ms 5332 KB Output is correct
47 Correct 9 ms 5204 KB Output is correct
48 Correct 11 ms 5296 KB Output is correct
49 Correct 11 ms 5284 KB Output is correct
50 Correct 13 ms 5328 KB Output is correct
51 Correct 8 ms 5336 KB Output is correct
52 Correct 9 ms 5332 KB Output is correct
53 Correct 9 ms 5328 KB Output is correct
54 Correct 9 ms 5332 KB Output is correct
55 Correct 11 ms 5296 KB Output is correct
56 Correct 12 ms 5332 KB Output is correct
57 Correct 11 ms 5332 KB Output is correct
58 Correct 5 ms 5332 KB Output is correct
59 Correct 5 ms 5308 KB Output is correct
60 Correct 10 ms 5204 KB Output is correct
61 Correct 10 ms 5204 KB Output is correct

Subtask #4
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 463 ms 14540 KB Output is correct
2 Correct 381 ms 14296 KB Output is correct
3 Correct 354 ms 14276 KB Output is correct
4 Correct 400 ms 17228 KB Output is correct
5 Correct 369 ms 17180 KB Output is correct
6 Correct 408 ms 17272 KB Output is correct
7 Correct 307 ms 17228 KB Output is correct
8 Correct 471 ms 17184 KB Output is correct
9 Correct 319 ms 17244 KB Output is correct
10 Correct 434 ms 17328 KB Output is correct
11 Correct 370 ms 17180 KB Output is correct
12 Correct 374 ms 17260 KB Output is correct
13 Correct 362 ms 17484 KB Output is correct
14 Correct 442 ms 17352 KB Output is correct

Subtask #5
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 97 ms 14316 KB Output is correct
2 Correct 160 ms 14380 KB Output is correct
3 Correct 166 ms 14372 KB Output is correct
4 Correct 186 ms 14392 KB Output is correct
5 Correct 159 ms 14364 KB Output is correct
6 Correct 179 ms 14284 KB Output is correct
7 Correct 97 ms 14320 KB Output is correct
8 Correct 100 ms 14320 KB Output is correct
9 Correct 111 ms 14264 KB Output is correct
10 Correct 155 ms 14356 KB Output is correct
11 Correct 175 ms 14360 KB Output is correct
12 Correct 156 ms 14284 KB Output is correct

Subtask #6
35.0 / 35.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 4948 KB Output is correct
2 Correct 3 ms 4948 KB Output is correct
3 Correct 3 ms 4948 KB Output is correct
4 Correct 3 ms 5028 KB Output is correct
5 Correct 3 ms 4948 KB Output is correct
6 Correct 3 ms 4948 KB Output is correct
7 Correct 3 ms 4948 KB Output is correct
8 Correct 3 ms 4948 KB Output is correct
9 Correct 3 ms 4948 KB Output is correct
10 Correct 3 ms 4948 KB Output is correct
11 Correct 3 ms 4948 KB Output is correct
12 Correct 3 ms 4948 KB Output is correct
13 Correct 3 ms 4948 KB Output is correct
14 Correct 3 ms 4948 KB Output is correct
15 Correct 3 ms 4948 KB Output is correct
16 Correct 3 ms 4948 KB Output is correct
17 Correct 3 ms 4948 KB Output is correct
18 Correct 3 ms 4948 KB Output is correct
19 Correct 3 ms 4948 KB Output is correct
20 Correct 3 ms 4948 KB Output is correct
21 Correct 3 ms 4948 KB Output is correct
22 Correct 3 ms 5004 KB Output is correct
23 Correct 3 ms 4948 KB Output is correct
24 Correct 3 ms 4948 KB Output is correct
25 Correct 3 ms 4948 KB Output is correct
26 Correct 3 ms 4948 KB Output is correct
27 Correct 4 ms 5032 KB Output is correct
28 Correct 3 ms 4976 KB Output is correct
29 Correct 4 ms 4948 KB Output is correct
30 Correct 3 ms 4948 KB Output is correct
31 Correct 4 ms 5060 KB Output is correct
32 Correct 3 ms 5076 KB Output is correct
33 Correct 3 ms 4948 KB Output is correct
34 Correct 4 ms 4948 KB Output is correct
35 Correct 3 ms 5068 KB Output is correct
36 Correct 5 ms 4948 KB Output is correct
37 Correct 3 ms 4948 KB Output is correct
38 Correct 3 ms 4948 KB Output is correct
39 Correct 3 ms 5064 KB Output is correct
40 Correct 5 ms 4948 KB Output is correct
41 Correct 9 ms 5332 KB Output is correct
42 Correct 9 ms 5288 KB Output is correct
43 Correct 10 ms 5204 KB Output is correct
44 Correct 10 ms 5308 KB Output is correct
45 Correct 10 ms 5288 KB Output is correct
46 Correct 6 ms 5332 KB Output is correct
47 Correct 9 ms 5204 KB Output is correct
48 Correct 11 ms 5296 KB Output is correct
49 Correct 11 ms 5284 KB Output is correct
50 Correct 13 ms 5328 KB Output is correct
51 Correct 8 ms 5336 KB Output is correct
52 Correct 9 ms 5332 KB Output is correct
53 Correct 9 ms 5328 KB Output is correct
54 Correct 9 ms 5332 KB Output is correct
55 Correct 11 ms 5296 KB Output is correct
56 Correct 12 ms 5332 KB Output is correct
57 Correct 11 ms 5332 KB Output is correct
58 Correct 5 ms 5332 KB Output is correct
59 Correct 5 ms 5308 KB Output is correct
60 Correct 10 ms 5204 KB Output is correct
61 Correct 10 ms 5204 KB Output is correct
62 Correct 463 ms 14540 KB Output is correct
63 Correct 381 ms 14296 KB Output is correct
64 Correct 354 ms 14276 KB Output is correct
65 Correct 400 ms 17228 KB Output is correct
66 Correct 369 ms 17180 KB Output is correct
67 Correct 408 ms 17272 KB Output is correct
68 Correct 307 ms 17228 KB Output is correct
69 Correct 471 ms 17184 KB Output is correct
70 Correct 319 ms 17244 KB Output is correct
71 Correct 434 ms 17328 KB Output is correct
72 Correct 370 ms 17180 KB Output is correct
73 Correct 374 ms 17260 KB Output is correct
74 Correct 362 ms 17484 KB Output is correct
75 Correct 442 ms 17352 KB Output is correct
76 Correct 97 ms 14316 KB Output is correct
77 Correct 160 ms 14380 KB Output is correct
78 Correct 166 ms 14372 KB Output is correct
79 Correct 186 ms 14392 KB Output is correct
80 Correct 159 ms 14364 KB Output is correct
81 Correct 179 ms 14284 KB Output is correct
82 Correct 97 ms 14320 KB Output is correct
83 Correct 100 ms 14320 KB Output is correct
84 Correct 111 ms 14264 KB Output is correct
85 Correct 155 ms 14356 KB Output is correct
86 Correct 175 ms 14360 KB Output is correct
87 Correct 156 ms 14284 KB Output is correct
88 Correct 401 ms 16612 KB Output is correct
89 Correct 458 ms 16616 KB Output is correct
90 Correct 541 ms 16596 KB Output is correct
91 Correct 575 ms 16716 KB Output is correct
92 Correct 521 ms 16604 KB Output is correct
93 Correct 539 ms 16592 KB Output is correct
94 Correct 285 ms 16632 KB Output is correct
95 Correct 404 ms 16620 KB Output is correct
96 Correct 539 ms 16596 KB Output is correct
97 Correct 629 ms 16712 KB Output is correct
98 Correct 584 ms 16592 KB Output is correct
99 Correct 574 ms 16644 KB Output is correct
100 Correct 576 ms 16752 KB Output is correct
101 Correct 328 ms 16656 KB Output is correct
102 Correct 381 ms 16604 KB Output is correct
103 Correct 478 ms 16588 KB Output is correct
104 Correct 561 ms 16588 KB Output is correct
105 Correct 608 ms 16716 KB Output is correct
106 Correct 525 ms 16584 KB Output is correct
107 Correct 546 ms 16608 KB Output is correct
108 Correct 567 ms 16720 KB Output is correct
109 Correct 363 ms 16624 KB Output is correct
110 Correct 551 ms 16580 KB Output is correct
111 Correct 579 ms 16744 KB Output is correct
112 Correct 504 ms 16716 KB Output is correct
113 Correct 571 ms 16592 KB Output is correct
114 Correct 569 ms 16588 KB Output is correct
115 Correct 99 ms 16588 KB Output is correct
116 Correct 100 ms 16576 KB Output is correct
117 Correct 321 ms 16540 KB Output is correct
118 Correct 327 ms 16620 KB Output is correct
119 Correct 552 ms 16548 KB Output is correct
120 Correct 553 ms 16612 KB Output is correct