Submission #273794

#	Time	Username	Problem	Language	Result	Execution time	Memory
273794		shrek12357	A Huge Tower (CEOI10_tower)	C++14	95 / 100	1048 ms	63512 KiB

tower

#include <iostream>
#include <vector>
#include <algorithm>
#include <string>
#include <map>
#include <set>
#include <climits>
#include <cmath>
#include <fstream>
#include <queue>
using namespace std;

#define MOD 1000000009

int main() {
	int n, d;
	cin >> n >> d;
	vector<long long> nums;
	map<long long, int> indexes;
	for (int i = 0; i < n; i++) {
		long long temp;
		cin >> temp;
		nums.push_back(temp);
	}
	sort(nums.begin(), nums.end());
	long long dp = 1;
	set<long long> curNums;
	set<long long>::iterator it;
	curNums.insert(nums[0]);
	indexes[nums[0]] = 0;
	int lol = 0;
	for (int i = 1; i < n; i++) {
		it = curNums.lower_bound(nums[i] - d);
		if (it == curNums.end()) {
			lol++;
		}
		else {
			dp = (dp * (i - indexes[*it] + 1) + MOD) % MOD;
		}
		curNums.insert(nums[i]);
		if (indexes.find(nums[i]) == indexes.end()) {
			indexes[nums[i]] = i;
		}
	}
	cout << dp << endl;
}

• Subtask 1: 5 / 5
• Subtask 2: 5 / 5
• Subtask 3: 5 / 5
• Subtask 4: 5 / 5
• Subtask 5: 5 / 5
• Subtask 6: 5 / 5
• Subtask 7: 5 / 5
• Subtask 8: 5 / 5
• Subtask 9: 5 / 5
• Subtask 10: 5 / 5
• Subtask 11: 5 / 5
• Subtask 12: 5 / 5
• Subtask 13: 5 / 5
• Subtask 14: 5 / 5
• Subtask 15: 5 / 5
• Subtask 16: 5 / 5
• Subtask 17: 5 / 5
• Subtask 18: 5 / 5
• Subtask 19: 5 / 5
• Subtask 20: 0 / 5