#include <vector>
#ifndef EVAL
#include <format>
#include <iostream>
template <typename... Args>
void print(std::format_string<Args...> fmt, Args &&...args) {
std::cerr << std::format(fmt, std::forward<Args>(args)...);
}
template <typename... Args>
void println(std::format_string<Args...> fmt, Args &&...args) {
std::cerr << std::format(fmt, std::forward<Args>(args)...) << '\n';
}
#else
template <typename... T> void print(T &&...args) {}
template <typename... T> void println(T &&...args) {}
#endif
int n;
std::vector<int> h;
std::vector<int> minima_sums;
void init(int N, std::vector<int> H) {
n = N;
h = H;
minima_sums.reserve(N + 1);
minima_sums.push_back(0);
for (int i = 0; i < N; i++) {
bool left_ok = i == 0 || H[i - 1] > H[i];
bool right_ok = i + 1 == N || H[i + 1] > H[i];
minima_sums.push_back(minima_sums.back() + (left_ok && right_ok));
}
}
int max_towers(int L, int R, int D) {
if (L == R)
return 1;
R += 1;
if (D == 1) {
int total = minima_sums[R - 1] - minima_sums[L + 1];
if (h[L + 1] > h[L]) {
total += 1;
}
if (h[R - 2] > h[R - 1]) {
total += 1;
}
return total;
} else {
std::vector<int> included{h[L]};
int greatest = h[L];
for (int i = L + 1; i < R; i++) {
if (h[i] > greatest) {
// println("Found new intermediary: {}", h[i]);
greatest = h[i];
} else if (greatest - included.back() < D) {
if (h[i] < included.back()) {
// println("Found better tower: {} instead of {}", h[i],
// included.back());
included.pop_back();
included.push_back(h[i]);
greatest = h[i];
} else {
// println("Found new tower, but it's worse: {} instead of {}", h[i],
// included.back());
}
} else if (greatest - h[i] >= D) {
// println("Found new tower: {} (previous was {}, greatest: {})", h[i],
// included.back(), greatest);
included.push_back(h[i]);
greatest = h[i];
}
}
return included.size();
}
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
989 ms |
1176 KB |
Output is correct |
2 |
Correct |
2788 ms |
1824 KB |
Output is correct |
3 |
Correct |
2732 ms |
1816 KB |
Output is correct |
4 |
Correct |
2788 ms |
1836 KB |
Output is correct |
5 |
Execution timed out |
4022 ms |
1744 KB |
Time limit exceeded |
6 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
208 KB |
Output is correct |
2 |
Correct |
0 ms |
208 KB |
Output is correct |
3 |
Correct |
1 ms |
208 KB |
Output is correct |
4 |
Correct |
1 ms |
208 KB |
Output is correct |
5 |
Correct |
1 ms |
208 KB |
Output is correct |
6 |
Correct |
0 ms |
208 KB |
Output is correct |
7 |
Correct |
0 ms |
208 KB |
Output is correct |
8 |
Correct |
0 ms |
208 KB |
Output is correct |
9 |
Correct |
1 ms |
208 KB |
Output is correct |
10 |
Correct |
0 ms |
208 KB |
Output is correct |
11 |
Correct |
0 ms |
208 KB |
Output is correct |
12 |
Correct |
0 ms |
208 KB |
Output is correct |
13 |
Correct |
0 ms |
208 KB |
Output is correct |
14 |
Correct |
0 ms |
208 KB |
Output is correct |
15 |
Correct |
1 ms |
208 KB |
Output is correct |
16 |
Correct |
0 ms |
208 KB |
Output is correct |
17 |
Correct |
0 ms |
208 KB |
Output is correct |
18 |
Correct |
0 ms |
208 KB |
Output is correct |
19 |
Correct |
0 ms |
208 KB |
Output is correct |
20 |
Correct |
0 ms |
208 KB |
Output is correct |
21 |
Correct |
1 ms |
208 KB |
Output is correct |
22 |
Correct |
0 ms |
208 KB |
Output is correct |
23 |
Correct |
0 ms |
208 KB |
Output is correct |
24 |
Correct |
0 ms |
208 KB |
Output is correct |
25 |
Correct |
0 ms |
208 KB |
Output is correct |
26 |
Correct |
0 ms |
208 KB |
Output is correct |
27 |
Correct |
0 ms |
208 KB |
Output is correct |
28 |
Correct |
0 ms |
208 KB |
Output is correct |
29 |
Correct |
0 ms |
208 KB |
Output is correct |
30 |
Correct |
0 ms |
208 KB |
Output is correct |
31 |
Correct |
0 ms |
208 KB |
Output is correct |
32 |
Correct |
0 ms |
208 KB |
Output is correct |
33 |
Correct |
1 ms |
208 KB |
Output is correct |
34 |
Correct |
0 ms |
208 KB |
Output is correct |
35 |
Correct |
0 ms |
208 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
208 KB |
Output is correct |
2 |
Correct |
0 ms |
208 KB |
Output is correct |
3 |
Correct |
1 ms |
208 KB |
Output is correct |
4 |
Correct |
1 ms |
208 KB |
Output is correct |
5 |
Correct |
1 ms |
208 KB |
Output is correct |
6 |
Correct |
0 ms |
208 KB |
Output is correct |
7 |
Correct |
0 ms |
208 KB |
Output is correct |
8 |
Correct |
0 ms |
208 KB |
Output is correct |
9 |
Correct |
1 ms |
208 KB |
Output is correct |
10 |
Correct |
0 ms |
208 KB |
Output is correct |
11 |
Correct |
0 ms |
208 KB |
Output is correct |
12 |
Correct |
0 ms |
208 KB |
Output is correct |
13 |
Correct |
0 ms |
208 KB |
Output is correct |
14 |
Correct |
0 ms |
208 KB |
Output is correct |
15 |
Correct |
1 ms |
208 KB |
Output is correct |
16 |
Correct |
0 ms |
208 KB |
Output is correct |
17 |
Correct |
0 ms |
208 KB |
Output is correct |
18 |
Correct |
0 ms |
208 KB |
Output is correct |
19 |
Correct |
0 ms |
208 KB |
Output is correct |
20 |
Correct |
0 ms |
208 KB |
Output is correct |
21 |
Correct |
1 ms |
208 KB |
Output is correct |
22 |
Correct |
0 ms |
208 KB |
Output is correct |
23 |
Correct |
0 ms |
208 KB |
Output is correct |
24 |
Correct |
0 ms |
208 KB |
Output is correct |
25 |
Correct |
0 ms |
208 KB |
Output is correct |
26 |
Correct |
0 ms |
208 KB |
Output is correct |
27 |
Correct |
0 ms |
208 KB |
Output is correct |
28 |
Correct |
0 ms |
208 KB |
Output is correct |
29 |
Correct |
0 ms |
208 KB |
Output is correct |
30 |
Correct |
0 ms |
208 KB |
Output is correct |
31 |
Correct |
0 ms |
208 KB |
Output is correct |
32 |
Correct |
0 ms |
208 KB |
Output is correct |
33 |
Correct |
1 ms |
208 KB |
Output is correct |
34 |
Correct |
0 ms |
208 KB |
Output is correct |
35 |
Correct |
0 ms |
208 KB |
Output is correct |
36 |
Correct |
6 ms |
1232 KB |
Output is correct |
37 |
Correct |
9 ms |
1828 KB |
Output is correct |
38 |
Correct |
11 ms |
1804 KB |
Output is correct |
39 |
Correct |
9 ms |
1744 KB |
Output is correct |
40 |
Correct |
9 ms |
1832 KB |
Output is correct |
41 |
Correct |
9 ms |
1744 KB |
Output is correct |
42 |
Correct |
15 ms |
1824 KB |
Output is correct |
43 |
Correct |
11 ms |
1812 KB |
Output is correct |
44 |
Correct |
15 ms |
1820 KB |
Output is correct |
45 |
Correct |
9 ms |
1832 KB |
Output is correct |
46 |
Correct |
9 ms |
1828 KB |
Output is correct |
47 |
Correct |
10 ms |
1840 KB |
Output is correct |
48 |
Correct |
12 ms |
1800 KB |
Output is correct |
49 |
Correct |
9 ms |
1828 KB |
Output is correct |
50 |
Correct |
9 ms |
1820 KB |
Output is correct |
51 |
Correct |
12 ms |
1816 KB |
Output is correct |
52 |
Correct |
9 ms |
1816 KB |
Output is correct |
53 |
Correct |
9 ms |
1744 KB |
Output is correct |
54 |
Correct |
9 ms |
1744 KB |
Output is correct |
55 |
Correct |
8 ms |
1816 KB |
Output is correct |
56 |
Correct |
8 ms |
1736 KB |
Output is correct |
57 |
Correct |
9 ms |
1816 KB |
Output is correct |
58 |
Correct |
9 ms |
1836 KB |
Output is correct |
59 |
Correct |
9 ms |
1744 KB |
Output is correct |
60 |
Correct |
12 ms |
1856 KB |
Output is correct |
61 |
Correct |
13 ms |
1828 KB |
Output is correct |
62 |
Correct |
9 ms |
1812 KB |
Output is correct |
63 |
Correct |
9 ms |
1836 KB |
Output is correct |
64 |
Correct |
9 ms |
1744 KB |
Output is correct |
65 |
Correct |
11 ms |
1832 KB |
Output is correct |
66 |
Correct |
9 ms |
1744 KB |
Output is correct |
67 |
Correct |
9 ms |
1808 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
545 ms |
1744 KB |
Output is correct |
2 |
Correct |
800 ms |
1832 KB |
Output is correct |
3 |
Correct |
696 ms |
1836 KB |
Output is correct |
4 |
Correct |
762 ms |
1804 KB |
Output is correct |
5 |
Correct |
691 ms |
1744 KB |
Output is correct |
6 |
Correct |
547 ms |
1744 KB |
Output is correct |
7 |
Correct |
596 ms |
1836 KB |
Output is correct |
8 |
Correct |
884 ms |
1836 KB |
Output is correct |
9 |
Correct |
667 ms |
1836 KB |
Output is correct |
10 |
Correct |
660 ms |
1860 KB |
Output is correct |
11 |
Correct |
776 ms |
1816 KB |
Output is correct |
12 |
Correct |
658 ms |
1744 KB |
Output is correct |
13 |
Correct |
596 ms |
1744 KB |
Output is correct |
14 |
Correct |
0 ms |
208 KB |
Output is correct |
15 |
Correct |
0 ms |
208 KB |
Output is correct |
16 |
Correct |
0 ms |
208 KB |
Output is correct |
17 |
Correct |
15 ms |
1736 KB |
Output is correct |
18 |
Correct |
17 ms |
1744 KB |
Output is correct |
19 |
Correct |
15 ms |
1824 KB |
Output is correct |
20 |
Correct |
9 ms |
1796 KB |
Output is correct |
21 |
Correct |
8 ms |
1744 KB |
Output is correct |
22 |
Correct |
9 ms |
1744 KB |
Output is correct |
23 |
Correct |
9 ms |
1812 KB |
Output is correct |
24 |
Correct |
11 ms |
1840 KB |
Output is correct |
25 |
Correct |
10 ms |
1832 KB |
Output is correct |
26 |
Correct |
8 ms |
1820 KB |
Output is correct |
27 |
Correct |
0 ms |
208 KB |
Output is correct |
28 |
Correct |
1 ms |
256 KB |
Output is correct |
29 |
Correct |
0 ms |
284 KB |
Output is correct |
30 |
Correct |
0 ms |
208 KB |
Output is correct |
31 |
Correct |
0 ms |
208 KB |
Output is correct |
32 |
Correct |
0 ms |
208 KB |
Output is correct |
33 |
Correct |
0 ms |
208 KB |
Output is correct |
34 |
Correct |
1 ms |
208 KB |
Output is correct |
35 |
Correct |
0 ms |
208 KB |
Output is correct |
36 |
Correct |
0 ms |
208 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
3941 ms |
632 KB |
Output is correct |
2 |
Execution timed out |
4005 ms |
1744 KB |
Time limit exceeded |
3 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
208 KB |
Output is correct |
2 |
Correct |
0 ms |
208 KB |
Output is correct |
3 |
Correct |
1 ms |
208 KB |
Output is correct |
4 |
Correct |
1 ms |
208 KB |
Output is correct |
5 |
Correct |
1 ms |
208 KB |
Output is correct |
6 |
Correct |
0 ms |
208 KB |
Output is correct |
7 |
Correct |
0 ms |
208 KB |
Output is correct |
8 |
Correct |
0 ms |
208 KB |
Output is correct |
9 |
Correct |
1 ms |
208 KB |
Output is correct |
10 |
Correct |
0 ms |
208 KB |
Output is correct |
11 |
Correct |
0 ms |
208 KB |
Output is correct |
12 |
Correct |
0 ms |
208 KB |
Output is correct |
13 |
Correct |
0 ms |
208 KB |
Output is correct |
14 |
Correct |
0 ms |
208 KB |
Output is correct |
15 |
Correct |
1 ms |
208 KB |
Output is correct |
16 |
Correct |
0 ms |
208 KB |
Output is correct |
17 |
Correct |
0 ms |
208 KB |
Output is correct |
18 |
Correct |
0 ms |
208 KB |
Output is correct |
19 |
Correct |
0 ms |
208 KB |
Output is correct |
20 |
Correct |
0 ms |
208 KB |
Output is correct |
21 |
Correct |
1 ms |
208 KB |
Output is correct |
22 |
Correct |
0 ms |
208 KB |
Output is correct |
23 |
Correct |
0 ms |
208 KB |
Output is correct |
24 |
Correct |
0 ms |
208 KB |
Output is correct |
25 |
Correct |
0 ms |
208 KB |
Output is correct |
26 |
Correct |
0 ms |
208 KB |
Output is correct |
27 |
Correct |
0 ms |
208 KB |
Output is correct |
28 |
Correct |
0 ms |
208 KB |
Output is correct |
29 |
Correct |
0 ms |
208 KB |
Output is correct |
30 |
Correct |
0 ms |
208 KB |
Output is correct |
31 |
Correct |
0 ms |
208 KB |
Output is correct |
32 |
Correct |
0 ms |
208 KB |
Output is correct |
33 |
Correct |
1 ms |
208 KB |
Output is correct |
34 |
Correct |
0 ms |
208 KB |
Output is correct |
35 |
Correct |
0 ms |
208 KB |
Output is correct |
36 |
Correct |
6 ms |
1232 KB |
Output is correct |
37 |
Correct |
9 ms |
1828 KB |
Output is correct |
38 |
Correct |
11 ms |
1804 KB |
Output is correct |
39 |
Correct |
9 ms |
1744 KB |
Output is correct |
40 |
Correct |
9 ms |
1832 KB |
Output is correct |
41 |
Correct |
9 ms |
1744 KB |
Output is correct |
42 |
Correct |
15 ms |
1824 KB |
Output is correct |
43 |
Correct |
11 ms |
1812 KB |
Output is correct |
44 |
Correct |
15 ms |
1820 KB |
Output is correct |
45 |
Correct |
9 ms |
1832 KB |
Output is correct |
46 |
Correct |
9 ms |
1828 KB |
Output is correct |
47 |
Correct |
10 ms |
1840 KB |
Output is correct |
48 |
Correct |
12 ms |
1800 KB |
Output is correct |
49 |
Correct |
9 ms |
1828 KB |
Output is correct |
50 |
Correct |
9 ms |
1820 KB |
Output is correct |
51 |
Correct |
12 ms |
1816 KB |
Output is correct |
52 |
Correct |
9 ms |
1816 KB |
Output is correct |
53 |
Correct |
9 ms |
1744 KB |
Output is correct |
54 |
Correct |
9 ms |
1744 KB |
Output is correct |
55 |
Correct |
8 ms |
1816 KB |
Output is correct |
56 |
Correct |
8 ms |
1736 KB |
Output is correct |
57 |
Correct |
9 ms |
1816 KB |
Output is correct |
58 |
Correct |
9 ms |
1836 KB |
Output is correct |
59 |
Correct |
9 ms |
1744 KB |
Output is correct |
60 |
Correct |
12 ms |
1856 KB |
Output is correct |
61 |
Correct |
13 ms |
1828 KB |
Output is correct |
62 |
Correct |
9 ms |
1812 KB |
Output is correct |
63 |
Correct |
9 ms |
1836 KB |
Output is correct |
64 |
Correct |
9 ms |
1744 KB |
Output is correct |
65 |
Correct |
11 ms |
1832 KB |
Output is correct |
66 |
Correct |
9 ms |
1744 KB |
Output is correct |
67 |
Correct |
9 ms |
1808 KB |
Output is correct |
68 |
Correct |
545 ms |
1744 KB |
Output is correct |
69 |
Correct |
800 ms |
1832 KB |
Output is correct |
70 |
Correct |
696 ms |
1836 KB |
Output is correct |
71 |
Correct |
762 ms |
1804 KB |
Output is correct |
72 |
Correct |
691 ms |
1744 KB |
Output is correct |
73 |
Correct |
547 ms |
1744 KB |
Output is correct |
74 |
Correct |
596 ms |
1836 KB |
Output is correct |
75 |
Correct |
884 ms |
1836 KB |
Output is correct |
76 |
Correct |
667 ms |
1836 KB |
Output is correct |
77 |
Correct |
660 ms |
1860 KB |
Output is correct |
78 |
Correct |
776 ms |
1816 KB |
Output is correct |
79 |
Correct |
658 ms |
1744 KB |
Output is correct |
80 |
Correct |
596 ms |
1744 KB |
Output is correct |
81 |
Correct |
0 ms |
208 KB |
Output is correct |
82 |
Correct |
0 ms |
208 KB |
Output is correct |
83 |
Correct |
0 ms |
208 KB |
Output is correct |
84 |
Correct |
15 ms |
1736 KB |
Output is correct |
85 |
Correct |
17 ms |
1744 KB |
Output is correct |
86 |
Correct |
15 ms |
1824 KB |
Output is correct |
87 |
Correct |
9 ms |
1796 KB |
Output is correct |
88 |
Correct |
8 ms |
1744 KB |
Output is correct |
89 |
Correct |
9 ms |
1744 KB |
Output is correct |
90 |
Correct |
9 ms |
1812 KB |
Output is correct |
91 |
Correct |
11 ms |
1840 KB |
Output is correct |
92 |
Correct |
10 ms |
1832 KB |
Output is correct |
93 |
Correct |
8 ms |
1820 KB |
Output is correct |
94 |
Correct |
0 ms |
208 KB |
Output is correct |
95 |
Correct |
1 ms |
256 KB |
Output is correct |
96 |
Correct |
0 ms |
284 KB |
Output is correct |
97 |
Correct |
0 ms |
208 KB |
Output is correct |
98 |
Correct |
0 ms |
208 KB |
Output is correct |
99 |
Correct |
0 ms |
208 KB |
Output is correct |
100 |
Correct |
0 ms |
208 KB |
Output is correct |
101 |
Correct |
1 ms |
208 KB |
Output is correct |
102 |
Correct |
0 ms |
208 KB |
Output is correct |
103 |
Correct |
0 ms |
208 KB |
Output is correct |
104 |
Execution timed out |
4075 ms |
1652 KB |
Time limit exceeded |
105 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
989 ms |
1176 KB |
Output is correct |
2 |
Correct |
2788 ms |
1824 KB |
Output is correct |
3 |
Correct |
2732 ms |
1816 KB |
Output is correct |
4 |
Correct |
2788 ms |
1836 KB |
Output is correct |
5 |
Execution timed out |
4022 ms |
1744 KB |
Time limit exceeded |
6 |
Halted |
0 ms |
0 KB |
- |