Submission #832536

#	Time	Username	Problem	Language	Result	Execution time	Memory
832536		NothingXD	Radio Towers (IOI22_towers)	C++17	14 / 100	811 ms	1872 KiB

towers

#include "towers.h"
#include <bits/stdc++.h>
 
using namespace std;
 
typedef long long ll;
typedef pair<int,int> pii;
typedef pair<ll,ll> pll;
 
void debug_out(){cerr << endl;}
template<typename Head, typename... Tail>
void debug_out(Head H, Tail... T){
	cerr << H << ' ';
	debug_out(T...);
}
 
#define debug(...) cerr << "(" << #__VA_ARGS__ << "): ", debug_out(__VA_ARGS__)
#define F first
#define S second
#define all(x) x.begin(), x.end()
#define MP(x, y) make_pair(x, y)

const int maxn = 1e5 + 10;
const int lg = 20;

int n, x, h[maxn], part[maxn];

void init(int N, std::vector<int> H) {
	n = N;
	for (int i = 0; i < n; i++){
		h[i] = H[i];
	}
	for (int i = 1; i + 1 < n; i++){
		if (h[i] < h[i-1] && h[i] < h[i+1]) part[i]++;
	}
	for (int i = 1; i < n; i++){
		part[i] += part[i-1];
	}
}

int max_towers(int L, int R, int D) {
	if (R-L <= 1) return 1;
   	return part[R-1] - part[L] + (h[L] < h[L+1]) + (h[R] < h[R-1]);
}

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