Submission #578292

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
578292	2022-06-16 10:28:06	Trisanu_Das	Studentsko (COCI14_studentsko)	C++17	100 / 100	45 ms	468 KiB

studentsko

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#include <bits/stdc++.h> 
using namespace std;
#define pii pair<int, int>
 
int main() {
  int N, K; cin >> N >> K;
  vector<pii> a;
  vector<int> tb;
  for(int i = 0; i < N; i++) {
    int x; cin >> x;
    a.push_back(pii(x, i));
  }
  sort(a.begin(), a.end());
  vector<int> pos(N);
  for(int i = 0; i < N; i++) {
    pos[a[i].second] = i / K;
  }
  int ans = 0;
  for(int i = 0; i < N; i++) {
    int opt = 0;
    for(int j = 0; j < i; j++) if(pos[j] <= pos[i]) opt = max(opt, tb[j]);
    tb.push_back(opt + 1);
    ans = max(opt+1, ans);
  }
  cout << N - ans << '\n';
  return 0;
}
 
 
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• Subtask 1: 10 / 10
• Subtask 2: 10 / 10
• Subtask 3: 10 / 10
• Subtask 4: 10 / 10
• Subtask 5: 10 / 10
• Subtask 6: 10 / 10
• Subtask 7: 10 / 10
• Subtask 8: 10 / 10
• Subtask 9: 10 / 10
• Subtask 10: 10 / 10