Submission #343275

#	Time	Username	Problem	Language	Result	Execution time	Memory
343275		mp007mp	Skyscraper (JOI16_skyscraper)	C++14	5 / 100	2077 ms	364 KiB

skyscraper

#include<bits/stdc++.h>
#define S second
#define F first
using namespace std;
typedef long long int ll;
typedef pair<ll,ll> pii;
const int maxn = 1e5+20;

int main(){
	ios_base::sync_with_stdio(false);
	cin.tie(0);
	cout.tie(0);
	int n,L;
	cin>>n>>L;
	pii A[n];
	for(int i=0;i<n;i++){
		cin>>A[i].S;
		A[i].F=i;
	}
	sort(A,A+n);
	int cnt=0;
	do{
		int tmp=0;
		for(int i=1;i<n;i++){
			tmp += abs(A[i].S-A[i-1].S);
		}
		if(tmp<=L){
			cnt++;
		}
	}while(next_permutation(A,A+n));
	cout<<cnt;
	return 0;
}

• Subtask 1: 5 / 5
• Subtask 2: 0 / 15
• Subtask 3: 0 / 80