Submission #1111847

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
1111847	2024-11-13 06:44:03	Pwo	Studentsko (COCI14_studentsko)	C++17	10 / 100	29 ms	764 KiB

studentsko

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#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
int32_t main() {
  ios::sync_with_stdio(false); cin.tie(NULL); cout.tie(NULL);
  int n, k; cin >> n >> k;
  int a[n], cpy[n];
  for (int i = 0; i < n; i++) {
    cin >> a[i];
    cpy[i] = a[i];
  }
  
  sort(cpy, cpy + n);
  map<int, int> mp;
  for (int i = 0; i < n; i++)
    mp[cpy[i]] = i / k;
  for (int i = 0; i < n; i++)
    a[i] = mp[a[i]];
    
  int dp[n]{}; dp[0] = 1;
  for (int i = 1; i < n; i++) {
    int mx = 0;
    for (int j = 0; j < i; j++) if (a[j] <= a[i])
      mx = max(mx, dp[j]);
    dp[i] = mx + 1;
  }
  cout << n - dp[n - 1];
}
 
 
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