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  1. #include<bits/stdc++.h>
  2.  
  3. #define el '\n'
  4. #define fi first
  5. #define sec second
  6. #define ll long long
  7. #define pb push_back
  8. #define sz(v) (int)(v).size()
  9. #define all(v) (v).begin(),v.end()
  10. using namespace std;
  11.  
  12. const int maxn = (int)5e3;
  13. const int maxm = (int)1e5;
  14.  
  15. int a[maxn + 5], c[maxm + 5];
  16. int n, m;
  17.  
  18. void Input(){
  19.     cin >> n >> m;
  20.     for(int i = 1; i <= n; i++) cin >> a[i];
  21.     for(int i = 1; i <= m; i++) cin >> c[i];
  22.     sort(a + 1, a + n + 1);
  23.     for(int i = m - 1; i >= 1; i--) c[i] = min(c[i], c[i + 1]);
  24. }
  25.  
  26. int dp[maxn + 5];
  27. //dp[i] kq toi uu nhat khi xet den vi tri i
  28.  
  29. void Solve(){
  30.     dp[0] = 0;
  31.     for(int i = 1; i <= n; i++) dp[i] = c[a[i] - a[1] + 1];
  32.  
  33.     for(int i = 1; i <= n; i++){
  34.         dp[i] = 1e9;
  35.         for(int j = 1; j <= i; j++){
  36.             int w = a[i] - a[j] + 1;
  37.             dp[i] = min(dp[i], dp[j - 1] + c[w]);
  38.         }
  39.     }
  40.     cout << dp[n];
  41. }
  42.  
  43. int main(){
  44.     ios_base::sync_with_stdio(0);
  45.     cin.tie(0);
  46.     Input();
  47.     Solve();
  48. }
  49.  
Success #stdin #stdout 0.01s 5320KB
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https://ideone.com/NGriAk
language:
C++14 (gcc 8.3)
created:
2 hours ago
visibility:
public

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