Submission #1074031

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
1074031	2024-08-25T06:51:38 Z	Gromp15	Radio Towers (IOI22_towers)	C++17	0 / 100	4000 ms	94256 KB

towers

#include <bits/stdc++.h>
#include "towers.h"
#define ll long long
#define ar array
#define sz(x) (int)x.size()
#define all(x) x.begin(), x.end()
using namespace std;

template<typename T> bool ckmin(T &a, const T &b ) { return a > b ? a = b, 1 : 0; }
template<typename T> bool ckmax(T &a, const T &b ) { return a < b ? a = b, 1 : 0; }

int N; vector<int> h;
void init(int _N, std::vector<int> H) {
	N = _N;
	h = H;
}

int max_towers(int L, int R, int D) {
	map<ar<int, 3>, int> mp;
	auto solve = [&](auto&& s, int l, int r, int lim) -> int {
		if (mp.count({l, r, lim})) return mp[{l, r, lim}];
		if (l > r) return 0;
		if (l == r) return h[l] <= lim;
		int p = l;
		for (int i = l+1; i <= r; i++) if (h[i] > h[p]) p = i;
		return mp[{l, r, lim}] = max({s(s, l, p-1, lim), s(s, p+1, r, lim), int(h[p] <= lim), s(s, l, p-1, h[p] - D) + s(s, p+1, r, h[p] - D)});
	};
	solve(solve, L, R, 1e9);
	return solve(solve, L, R, 1e9);
}

Subtask #1

0 / 4.0

#	Verdict	Execution time	Memory	Grader output
1	Execution timed out	4037 ms	84584 KB	Time limit exceeded
2	Halted	0 ms	0 KB	-

Subtask #2

0 / 11.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	344 KB	Output is correct
2	Correct	4 ms	856 KB	Output is correct
3	Correct	4 ms	856 KB	Output is correct
4	Correct	3 ms	600 KB	Output is correct
5	Correct	3 ms	600 KB	Output is correct
6	Correct	1 ms	344 KB	Output is correct
7	Correct	2 ms	600 KB	Output is correct
8	Correct	19 ms	2108 KB	Output is correct
9	Correct	103 ms	6736 KB	Output is correct
10	Correct	11 ms	1368 KB	Output is correct
11	Correct	77 ms	5196 KB	Output is correct
12	Correct	0 ms	344 KB	Output is correct
13	Correct	609 ms	23284 KB	Output is correct
14	Correct	305 ms	14444 KB	Output is correct
15	Correct	1 ms	344 KB	Output is correct
16	Correct	4 ms	856 KB	Output is correct
17	Correct	2 ms	600 KB	Output is correct
18	Correct	59 ms	4360 KB	Output is correct
19	Correct	190 ms	10256 KB	Output is correct
20	Correct	10 ms	1368 KB	Output is correct
21	Correct	6 ms	1112 KB	Output is correct
22	Correct	7 ms	1112 KB	Output is correct
23	Execution timed out	4064 ms	94256 KB	Time limit exceeded
24	Halted	0 ms	0 KB	-

Subtask #3

0 / 12.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	344 KB	Output is correct
2	Correct	4 ms	856 KB	Output is correct
3	Correct	4 ms	856 KB	Output is correct
4	Correct	3 ms	600 KB	Output is correct
5	Correct	3 ms	600 KB	Output is correct
6	Correct	1 ms	344 KB	Output is correct
7	Correct	2 ms	600 KB	Output is correct
8	Correct	19 ms	2108 KB	Output is correct
9	Correct	103 ms	6736 KB	Output is correct
10	Correct	11 ms	1368 KB	Output is correct
11	Correct	77 ms	5196 KB	Output is correct
12	Correct	0 ms	344 KB	Output is correct
13	Correct	609 ms	23284 KB	Output is correct
14	Correct	305 ms	14444 KB	Output is correct
15	Correct	1 ms	344 KB	Output is correct
16	Correct	4 ms	856 KB	Output is correct
17	Correct	2 ms	600 KB	Output is correct
18	Correct	59 ms	4360 KB	Output is correct
19	Correct	190 ms	10256 KB	Output is correct
20	Correct	10 ms	1368 KB	Output is correct
21	Correct	6 ms	1112 KB	Output is correct
22	Correct	7 ms	1112 KB	Output is correct
23	Execution timed out	4064 ms	94256 KB	Time limit exceeded
24	Halted	0 ms	0 KB	-

Subtask #4

0 / 14.0

#	Verdict	Execution time	Memory	Grader output
1	Execution timed out	4054 ms	64472 KB	Time limit exceeded
2	Halted	0 ms	0 KB	-

Subtask #5

0 / 17.0

#	Verdict	Execution time	Memory	Grader output
1	Execution timed out	4070 ms	19240 KB	Time limit exceeded
2	Halted	0 ms	0 KB	-

Subtask #6

0 / 19.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	344 KB	Output is correct
2	Correct	4 ms	856 KB	Output is correct
3	Correct	4 ms	856 KB	Output is correct
4	Correct	3 ms	600 KB	Output is correct
5	Correct	3 ms	600 KB	Output is correct
6	Correct	1 ms	344 KB	Output is correct
7	Correct	2 ms	600 KB	Output is correct
8	Correct	19 ms	2108 KB	Output is correct
9	Correct	103 ms	6736 KB	Output is correct
10	Correct	11 ms	1368 KB	Output is correct
11	Correct	77 ms	5196 KB	Output is correct
12	Correct	0 ms	344 KB	Output is correct
13	Correct	609 ms	23284 KB	Output is correct
14	Correct	305 ms	14444 KB	Output is correct
15	Correct	1 ms	344 KB	Output is correct
16	Correct	4 ms	856 KB	Output is correct
17	Correct	2 ms	600 KB	Output is correct
18	Correct	59 ms	4360 KB	Output is correct
19	Correct	190 ms	10256 KB	Output is correct
20	Correct	10 ms	1368 KB	Output is correct
21	Correct	6 ms	1112 KB	Output is correct
22	Correct	7 ms	1112 KB	Output is correct
23	Execution timed out	4064 ms	94256 KB	Time limit exceeded
24	Halted	0 ms	0 KB	-

Subtask #7

0 / 23.0

#	Verdict	Execution time	Memory	Grader output
1	Execution timed out	4037 ms	84584 KB	Time limit exceeded
2	Halted	0 ms	0 KB	-