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Submission #517209

# Submission time Handle Problem Language Result Execution time Memory
517209 2022-01-22T17:31:57 Z Evang A Huge Tower (CEOI10_tower) C++17
100 / 100
 119 ms 13588 KB 
#include <bits/stdc++.h>
using namespace std;

const int mod = 1e9+9;

int main(){
	ios::sync_with_stdio(0);
	cin.tie(0);

	int n, d;
	cin >> n >> d;
	vector<int> a(n), ans(n), b(n);
	for(int i = 0; i < n; ++i)
		cin >> a[i];

	sort(begin(a), end(a));
	int p = 0;
	for(int i = 1; i < n; ++i){
		while(a[p] + d < a[i])
			++p;
		b[i] = i - p;
	}

	ans[0] = 1;
	for(int i = 1; i < n; ++i)
		ans[i] = (ans[i-1] * (long long)(b[i]+1)) % mod;

	cout << ans.back();
}

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct

Subtask #2
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 204 KB Output is correct

Subtask #3
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 312 KB Output is correct

Subtask #4
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 204 KB Output is correct

Subtask #5
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct

Subtask #6
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 204 KB Output is correct

Subtask #7
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct

Subtask #8
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct

Subtask #9
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct

Subtask #10
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct

Subtask #11
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 204 KB Output is correct

Subtask #12
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct

Subtask #13
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct

Subtask #14
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 308 KB Output is correct

Subtask #15
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 324 KB Output is correct

Subtask #16
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 332 KB Output is correct

Subtask #17
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 448 KB Output is correct

Subtask #18
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 11 ms 1288 KB Output is correct
2 Correct 9 ms 1356 KB Output is correct

Subtask #19
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 48 ms 5696 KB Output is correct
2 Correct 46 ms 5668 KB Output is correct

Subtask #20
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 98 ms 13588 KB Output is correct
2 Correct 119 ms 13060 KB Output is correct