fork download
copy 
  1. #include <bits/stdc++.h>
  2. #define ll long long
  3. #define ld long double
  4. #define nmax (long long)(1e6+7)
  5. #define oo (long long)(1e18)
  6. #define INF (int)(1e9+7)
  7. #define fi first
  8. #define se second
  9. #define pii pair<ll, ll>
  10. #define Hung "D"
  11. using namespace std;
  12.  
  13. ll n, b[2007], dp[1 << 10][2007];
  14. vector<pii> v;
  15.  
  16. int main()
  17. {
  18.     ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
  19.     if (fopen(Hung".inp", "r")){
  20.         freopen(Hung".inp", "r", stdin);
  21.         freopen(Hung".out", "w", stdout);
  22.     }
  23.     cin >> n;
  24.     for (ll i = 1; i <= n; i++) cin >> b[i];
  25.     sort(b + 1, b + n + 1);
  26.     ll cnt = 0;
  27.     b[n + 1] = oo;
  28.     v.push_back({0, 0});
  29.     for (ll i = 1; i <= n; i++){
  30.         if (b[i] == b[i + 1]) cnt++;
  31.         else{
  32.             v.push_back({b[i], cnt + 1});
  33.             cnt = 0;
  34.         }
  35.     }
  36.     ll SEQ = ((1 << 1) | (1 << 8) | (1 << 9));
  37.     ll N = v.size() - 1;
  38.     for (ll mask = 0; mask < (1 << 10); mask++)
  39.         for (ll i = 0; i <= N; i++)
  40.             dp[mask][i] = oo;
  41.     dp[0][0] = v[0].se;
  42.     dp[1][0] = 0;
  43.     for (ll i = 0; i <= N; i++)
  44.         for (ll mask = 0; mask < (1 << 10); mask++){
  45.             ll newmask = (mask << (v[i + 1].fi - v[i].fi)) & ((1 << 10) - 1);
  46.             if (v[i + 1].fi - v[i].fi >= 10) newmask = 0;
  47.             dp[newmask][i + 1] = min(dp[newmask][i + 1], dp[mask][i] + v[i + 1].se);
  48.             if ((newmask & SEQ) == 0)
  49.                 dp[newmask | 1][i + 1] = min(dp[newmask | 1][i + 1], dp[mask][i]);
  50.         }
  51.  
  52.     ll res = oo;
  53.     for(ll mask = 0; mask < (1 << 10); mask++)
  54.         res = min(res, dp[mask][N]);
  55.     cout<<res;
  56.     return 0;
  57. }
Success #stdin #stdout 0.01s 18356KB
comments (?)
stdin
copy 
Standard input is empty
stdout
copy 
Standard output is empty
https://ideone.com/32bk8R
language:
C++ (gcc 8.3)
created:
22 hours ago
visibility:
public

Share or Embed source code

Discover > Sphere Engine API

The brand new service which powers Ideone!

Discover > IDE Widget

Widget for compiling and running the source code in a web browser!