Submission #1221395

#	Time	Username	Problem	Language	Result	Execution time	Memory
1221395		corruptedbrain	Dancing Elephants (IOI11_elephants)	C++20	26 / 100	9091 ms	3520 KiB

elephants

#include "elephants.h"
#include <math.h>
#include <set>
#include <vector>

using namespace std;

int N, L;
vector<int> positions;
set<int> elephants;

void init(int n, int l, int X[]) {
	N = n;
	L = l;
	for (int i = 0; i < N; i++) {
		elephants.insert(X[i]);
		positions.push_back(X[i]);
	}
	return;
}

int update(int i, int y) {
	int key = positions[i];
	positions[i] = y;
	auto it = elephants.find(key);
	elephants.erase(it);
	elephants.insert(y);
	int ret = 0;
	int container = -1;
	for (auto e : elephants) {
		if (container < e) {
			ret++;
			container = e + L;
		}
	}
	return ret;
}

• Subtask 1: 10 / 10
• Subtask 2: 16 / 16
• Subtask 3: 0 / 24
• Subtask 4: 0 / 47
• Subtask 5: 0 / 3