Submission #659091

#	Time	Username	Problem	Language	Result	Execution time	Memory
659091		Alenygam	Radio Towers (IOI22_towers)	C++17	0 / 100	12 ms	1960 KiB

towers

#include "towers.h"

#include <bits/stdc++.h>

using namespace std;

int N;
vector<pair<int, int>> H;
int k;

void init(int N, vector<int> H) {
	::N = N;
	for (int i = 0; i < N; i++) {
		::H[i].first = H[i];
		::H[i].second = i;
	}
	if (N == 2) {
		if (H[0] > H[1]) k = 0;
		else k = 1;
	}

	for (int i = 1; i < N - 1; i++) {
		if (H[i - 1] < H[i] && H[i] > H[i - 1]) k = i;
	}
}

int max_towers(int L, int R, int D) {
	if (k >= L && k <= R) {
		int lf = H[L].first;
		int rg = H[R].first;
		int ma = max(lf, rg);

		if (H[k].first - ma >= D) return 2;
		return 1;
	} else {
		return 1;
	}
}

• 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