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Submission #435182

# Submission time Handle Problem Language Result Execution time Memory
435182 2021-06-23T05:00:23 Z vbee A Huge Tower (CEOI10_tower) C++14
100 / 100
 143 ms 11216 KB 
#include <bits/stdc++.h>
#define all(x) (x).begin(), (x).end()
#define rall(x) (x).rbegin(), (x).rend()
#define ii pair<int,int>
#define vii vector<ii>
#define vi vector<int>
#define fi first
#define se second
#define TASK ""
#define pb push_back
#define MASK(i) (1 << (i))
#define BIT(x, i) ((x >> (i)) & 1)

using namespace std;

typedef long long ll;
const int oo = 1e9+9;

int msb(int x) {
	union { double a; int b[2]; };
	a = x;
	return (b[1] >> 20) - 1023;
}

ll nxt(){
	ll a;
	cin >> a;
	return a;
}

ll sqr(ll x){
	return x * x % oo;
}
const int N = 1e6 + 7;
ll n, a[N], d;
int main() {
	ios_base::sync_with_stdio(0); cin.tie(0);
	cin >> n >> d;
	for (int i = 1; i <= n; i++){
		cin >> a[i];
	}
	sort(a + 1, a + 1 + n);
	int r = 1;
	ll res = 1;
	for (int l = 1; l <= n; l++){
		while (r < n && a[r + 1] - a[l] <= d){
			r++;
		}
		res = res * (r - l + 1) % oo;
	}
	cout << res;
	return 0;
}

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 316 KB Output is correct

Subtask #2
5.0 / 5.0

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

Subtask #3
5.0 / 5.0

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

Subtask #4
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 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 1 ms 324 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 1 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 256 KB Output is correct

Subtask #15
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 332 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 460 KB Output is correct

Subtask #18
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 16 ms 1092 KB Output is correct
2 Correct 14 ms 1092 KB Output is correct

Subtask #19
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 62 ms 4676 KB Output is correct
2 Correct 130 ms 4668 KB Output is correct

Subtask #20
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 122 ms 11216 KB Output is correct
2 Correct 143 ms 10572 KB Output is correct