Submission #631047

#	Time	Username	Problem	Language	Result	Execution time	Memory
631047		rainboy	Radio Towers (IOI22_towers)	C++17	4 / 100	881 ms	1432 KiB

towers

#include "towers.h"
#include <vector>

using namespace std;

const int N = 100000;

typedef vector<int> vi;

int aa[N], i;

void init(int n, vi aa_) {
	for (i = 0; i < n; i++)
		aa[i] = aa_[i];
	i = 0;
	while (i < n - 1 && aa[i] < aa[i + 1])
		i++;
}

int max_towers(int l, int r, int d) {
	return l < i && i < r && aa[i] - aa[l] >= d && aa[i] - aa[r] >= d ? 2 : 1;
}

• Subtask 1: 4 / 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