Submission #1211146

#	Time	Username	Problem	Language	Result	Execution time	Memory
1211146		Ahmed_Kaaniche	Abduction 2 (JOI17_abduction2)	C++20	0 / 100	5092 ms	324 KiB

abduction2

#include <bits/stdc++.h>

using namespace std;
#define ll long long
#define endl '\n'
#define fi first
#define se second
#define pb push_back


signed main() {
    //the boost
    ios_base::sync_with_stdio(false);
    cin.tie(nullptr);
    cout.tie(nullptr);
    
    //main code
    ll n,l,MOD=1000000007;
    cin>> n >> l;
    vector<ll>arr(n);
    for (ll i = 0; i < n; ++i) {
        cin >> arr[i];
    }
    sort(arr.begin(), arr.end());
    ll ans = 0;
    do {
        ll sum=0;
        for (ll i = 1; i < n; ++i) {
            sum+=abs(arr[i]-arr[i-1]);
        }
        if (sum<=l){
            ans++;
            ans%=MOD;
        }
    }while (next_permutation(arr.begin(), arr.end()));
    
    cout << ans << endl;
    
    
    return 0;
}

• Subtask 1: 0 / 13
• Subtask 2: 0 / 10
• Subtask 3: 0 / 17
• Subtask 4: 0 / 4
• Subtask 5: 0 / 56