Submission #464705

#	Time	Username	Problem	Language	Result	Execution time	Memory
464705		jackkkk	A Huge Tower (CEOI10_tower)	C++11	100 / 100	141 ms	10564 KiB

tower

/* 
Problem title: A Huge Tower
Problem link: https://oj.uz/problem/view/CEOI10_tower
*/

#include <stdio.h>
#include <iostream>
#include <string>
#include <vector>
#include <queue>
#include <map>
#include <array>
#include <deque>
#include <unordered_map>
#include <unordered_set>
#include <set>
#include <algorithm>
#include <stdlib.h>
#include <math.h>
#include <list>
#include <float.h>
#include <climits>
#include <cmath>

using namespace std;
#define _USE_MATH_DEFINES
#define F first
#define S second
#define MP make_pair

typedef long long LL;
typedef pair<long long, long long> pii;
typedef pair<LL, LL> pll;

void quit(){
    cout.flush();
    exit(0);
}
LL NM=1e9+9;
LL n, d;
vector <LL> nums;
int main(){
	ios::sync_with_stdio(0); cin.tie(0); cout.tie(0);
  cin >> n >> d;
  nums.resize(n);
  for(LL i = 0; i < n; i++){
    cin >> nums[i];
  }
  sort(nums.begin(), nums.end());
  LL r = 1;
  LL ans = 1;
  for(LL l = 0; l < n; l++){
    while(r<n && nums[r]-nums[l]<=d){
      ans *= r-l+1;
      ans %= NM;
      r++;
    }
  }
  cout << ans << "\n";
  
	quit();
}

• 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
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• 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: 5 / 5