Submission #627328

#	Time	Username	Problem	Language	Result	Execution time	Memory
627328		coloboxx	Radio Towers (IOI22_towers)	C++17	0 / 100	4043 ms	1360 KiB

towers

#include "towers.h"
#include <bits/stdc++.h>

using namespace std;

const int MAXN = 3e5 + 64;

int n;
vector<int> h;

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

int max_towers(int L, int R, int D) {
	int ans = 0, cur = INT_MAX, flag = false;

	for (int i = L; i <= R; ++i)
		if (!flag) {
			if (h[i] < cur)
				cur = h[i];
			else if (h[i] - D >= cur)
				flag = true, cur = h[i];
		} else {
			if (h[i] > cur)
				cur = h[i];
			else if (cur - D >= h[i]) {
				flag = false, ++ans, cur = h[i];
			}
		}
	return ans;
}

• Subtask 1: 0 / 4
• Subtask 2: 0 / 11
• Subtask 3: 0 / 12
• Subtask 4: 0 / 14
• Subtask 5: 0 / 17
• Subtask 6: 0 / 19
• Subtask 7: 0 / 23