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  1. #include <bits/stdc++.h>
  2. #define ll long long
  3. using namespace std;
  4. //const long long MAXN = 1en + 1;
  5. //ll arr[MAXN];
  6. //───────────────────────────────────────────────────────────────────────────
  7. signed main() {
  8.     ios_base::sync_with_stdio(false);
  9.     cin.tie(0); cout.tie(0);
  10.     freopen("prize.inp","r",stdin);
  11.     freopen("prize.out","w",stdout);
  12. //
  13.     ll n,k; cin >> n >> k;
  14.     ll a[n]; for (ll &i : a) cin >> i;
  15.     sort(a, a + n);
  16.     vector<bool> ben_trong(n, false);
  17.     for (ll p = n - 1; p >= 0; p--) {
  18.         if (ben_trong[p]) continue;
  19.         ll current_pos = p;
  20.         while(true) {
  21.             ll i = current_pos - 1;
  22.             while (i >= 0 && (ben_trong[i] || a[i] + k > a[current_pos])) i--;
  23.             if (i < 0) break;
  24.             ben_trong[i] = true;
  25.             current_pos = i;
  26.         }
  27.     }
  28.     ll ans = 0;
  29.     for (ll i = 0; i < n; i++) {
  30.         if (ben_trong[i]) continue;
  31.         else {
  32.             ans += a[i];
  33.         }
  34.     }
  35.     cout << ans;
  36. //    
  37.     return 0;
  38. }
  39. //───────────────────────────────────────────────────────────────────────────
Success #stdin #stdout 3.78s 5312KB
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https://ideone.com/0j8KP6
language:
C++14 (gcc 8.3)
created:
1 day ago
visibility:
public

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