Submission #895983

#	Time	Username	Problem	Language	Result	Execution time	Memory
895983		Vedant_05	A Huge Tower (CEOI10_tower)	C++17	30 / 100	79 ms	11436 KiB

tower

#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef vector<int> vi;
typedef vector<ll> vl;
typedef pair<int, int> pi;
typedef pair<ll, ll> pl;
typedef vector<pair<int, int>> vpi;
typedef vector<pair<ll, ll>> vpl;
#define pb(a) push_back(a)
#define pbr(a,b) pb(make_pair(a,b))
#define fr(i, a, b) for(int i = a; i <= b; i++)
#define rf(i, a, b) for(int i = a; i >= b; i--)
#define all(c) (c).begin(), (c).end()
#define rall(c) (c).rbegin(), (c).rend()
#define F first
#define S second

ll M = 1e9 + 7;                 //998244353;
const int N = 100001;

ll binpow(ll a, ll b){    ll ans = 1;    while(b > 0){        if(b&1)     ans = (ans * a) % M;        a = (a*a) % M;        b >>= 1;    }    return ans;     }
bool sS(pi p1, pi p2){    return (p1.S < p2.S);     }
bool sF(pi p1, pi p2){    return (p1.F < p2.F);     }


void solve()
{
    ll n, d;
    cin >> n >> d;
    ll a[n+1];
    fr(i, 1, n)
        cin >> a[i];
    a[0] = -4e18;
    sort(a, a+n+1);

    int l = 0;
    ll ans = 1;
    fr(i, 2, n){
        while(a[l+1]+d < a[i])
            l++;
        ans = (ans * (i-l)) % M;
    }
    
    cout << ans << "\n";
}

int main()
{
    ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
    
    // freopen(".in", "r", stdin);
    // freopen(".out", "w", stdout);
    
    int t=1;
    // cin >> t;
    for(int i = 1; i <= t; i++)
    {
        // cout << "t: " << t << "\n";
        solve();
    }
    return 0;
}

• Subtask 1: 5 / 5
• Subtask 2: 5 / 5
• Subtask 3: 5 / 5
• Subtask 4: 5 / 5
• Subtask 5: 0 / 5
• Subtask 6: 0 / 5
• Subtask 7: 0 / 5
• Subtask 8: 0 / 5
• Subtask 9: 0 / 5
• Subtask 10: 5 / 5
• Subtask 11: 5 / 5
• Subtask 12: 0 / 5
• Subtask 13: 0 / 5
• Subtask 14: 0 / 5
• Subtask 15: 0 / 5
• Subtask 16: 0 / 5
• Subtask 17: 0 / 5
• Subtask 18: 0 / 5
• Subtask 19: 0 / 5
• Subtask 20: 0 / 5