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  1. //ssenseeeeeeeeeeeeeeeeeeeeeeeeeeeee
  2. #include<bits/stdc++.h>
  3. #define startt ios_base::sync_with_stdio(false);cin.tie(0);cout.tie(0);
  4. typedef unsigned long long ull;
  5. typedef long long  ll;
  6. #define MOD 1000000007
  7. #define MX 1000000000
  8. #define NMAX 100005
  9. #define MXL 1000000000000000000
  10. #define PI 3.14159265
  11. #define pb push_back
  12. using namespace std;
  13. #define sc second
  14. #define endl '\n'
  15. #define fr first
  16.  
  17. int main()
  18. {
  19.     int n, k;
  20.     cin >> n >> k;
  21.     int a[n+1];
  22.     for(int i = 0; i < n; i++)
  23.     {
  24.         cin >> a[i];
  25.     }
  26.     int dp[10001];
  27.     dp[0] = 0;
  28.     for(int i = 1; i < n; i++)
  29.     {
  30.         dp[i] = MX;
  31.         for(int j = i-1; j >= max(0, i-k); j--)
  32.         {
  33.             dp[i] = min(dp[i], dp[j]+abs(a[j]-a[i]));
  34.         }
  35.     }
  36.     cout << dp[n-1] << endl;;
  37. }
Success #stdin #stdout 0s 4476KB
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https://ideone.com/zllXMy
language:
C++ (gcc 8.3)
created:
4 years ago
visibility:
public

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