Submission #245692

#	Time	Username	Problem	Language	Result	Execution time	Memory
245692		yasseenkamel	Skyscraper (JOI16_skyscraper)	C++14	5 / 100	2077 ms	384 KiB

skyscraper

#pragma GCC optimize ("O3")
#pragma GCC optimize ("unroll-loops")
#pragma GCC optimize("-Ofast")
#include <bits/stdc++.h>

using namespace std;

typedef int in;
#define int long long
const long double EPS=1e-9;
const int MOD=1e9+7;
const int N=1e6;

int n,m,a[105];

bool ok(){
	int sm = 0;
	for(int i = 0 ; i < n - 1 ; i ++){
		sm += abs(a[i] - a[i + 1]);
	}
	return sm <= m;
}

in main(){
	cin >> n >> m;
	for(int i = 0 ; i < n ; i ++){
		cin >> a[i];
	}
	sort(a,a + n);
	int ans = 0;
	do{
		ans += ok();
	}
	while(next_permutation(a,a + n));
	cout << ans << endl;
	return 0;
}

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