Submission #728713

#	Time	Username	Problem	Language	Result	Execution time	Memory
728713		benjaminguo	A Huge Tower (CEOI10_tower)	C++14	100 / 100	312 ms	8728 KiB

tower

#include <iostream>
#include <iomanip>
#include <algorithm>
#include <string>
#include <cmath>
#include <map>
#include <vector>
#include <climits>
#include <queue>

using namespace std;

int ans[26][1500];

int main()
{
    int n;
    int d;
    int r = 0;
    int sol = 1;
    
    cin >> n;
    cin >> d;
    
    vector<int> ar(n);
    
    for (int i = 0; i < n; i++)
    {
        cin >> ar[i];
    }
    
    sort(ar.begin(), ar.end());
    
    for (int l = 0; l < n; l++)
    {
        while (r < n - 1 && ar[r + 1] - ar[l] <= d)
        {
            r++;
        }
        
        int dist = r - l + 1;
        
        sol = (sol * 1LL * dist) % 1000000009;
    }
    
    cout << sol;
    
    return 0;
}

• 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: 5 / 5