Submission #304934

#	Time	Username	Problem	Language	Result	Execution time	Memory
304934		EMEJ	Skyscraper (JOI16_skyscraper)	C++11	5 / 100	2076 ms	384 KiB

skyscraper

#include <bits/stdc++.h>

#define int long long
#define F first
#define S second
#define pb push_back
#define pii pair <int,int>
#define all(x) x.begin(),x.end()
#define SZ(x) (int)x.size()

using namespace std;

int32_t main(){
	ios::sync_with_stdio(0);cin.tie(0);
	int n,k;
	cin>>n>>k;
	int a[n];
	int cnt=0;
	for(int i=0;i<n;i++) cin>>a[i];
	sort(a,a+n);
	do{
		int sum=0;
		for(int i=1;i<n;i++) sum+=abs(a[i]-a[i-1]);
		if(sum<=k) cnt++;
	}while(next_permutation(a,a+n));
	cout<<cnt<<endl;
	return 0;
}

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