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Submission #571780

# Submission time Handle Problem Language Result Execution time Memory
571780 2022-06-02T17:24:43 Z Blagojce A Huge Tower (CEOI10_tower) C++11
100 / 100
 122 ms 18564 KB 
#include <bits/stdc++.h>
#define fr(i, n, m) for(int i = (n); i < (m); i ++)
#define st first
#define nd second 
#define all(x) begin(x), end(x)
#define pb push_back
#define all(x) begin(x), end(x)

using namespace std;
typedef long long ll;
typedef long double ld;
typedef pair<int,int> pii;

const int mxn = 1e6+5;
const ll inf = 1e18;
const ld eps = 1e-13;
const ll mod = 1e9 + 9;

mt19937 _rand(time(0));

int n, k;

int a[mxn];
ll fakt[mxn];
ll tot = 1;
void solve(vector<int> v){
	int p = 0;
	ll ans = 1;
	fr(i, 0, (int)v.size()){
		while(v[i] - v[p] > k){
			++p;
		}
		ans = (ans * (i-p+1)) % mod;
	}
	tot = (tot*ans)%mod;
	
}
int main(){
	ios_base::sync_with_stdio(false);
	cin.tie(NULL);
	cin >> n >> k;
	fakt[0] = 1;
	fr(i, 1, n+1) fakt[i] = (fakt[i-1]*i)%mod;
	
	fr(i, 0, n){
		cin >> a[i];
	}
	sort(a, a + n);
	vector<int> v;
	fr(i, 0, n){
		if(!v.empty() && a[i] - v.back() > k){
			solve(v);
			v.clear();
		}
		v.pb(a[i]);
	}
	solve(v);
	cout<<tot<<endl;
	
	return 0;
}/*
1
3
2 3 -1*/

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct

Subtask #2
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 340 KB Output is correct

Subtask #3
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct

Subtask #4
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct

Subtask #5
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 340 KB Output is correct

Subtask #6
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct

Subtask #7
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct

Subtask #8
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct

Subtask #9
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct

Subtask #10
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct

Subtask #11
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 340 KB Output is correct

Subtask #12
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct

Subtask #13
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct

Subtask #14
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct

Subtask #15
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct

Subtask #16
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct

Subtask #17
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 468 KB Output is correct

Subtask #18
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 13 ms 1368 KB Output is correct
2 Correct 9 ms 1368 KB Output is correct

Subtask #19
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 63 ms 7736 KB Output is correct
2 Correct 54 ms 7724 KB Output is correct

Subtask #20
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 122 ms 18564 KB Output is correct
2 Correct 116 ms 18164 KB Output is correct