Submission #878855

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
878855	2023-11-25 10:49:55	KN200711	Studentsko (COCI14_studentsko)	C++14	100 / 100	2 ms	348 KiB

studentsko

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# include <bits/stdc++.h>
using namespace std;
int main() {
  int N, K;
  scanf("%d %d", &N, &K);
  
  vector<int> A(N);
  vector< pair<int, int> > arr(N);
  for(int i=0;i<N;i++) {
    scanf("%d", &A[i]);
    arr[i] = make_pair(A[i], i);
  }
  sort(arr.begin(), arr.end());
  for(int i=0;i<N;i++) {
    A[arr[i].second] = i / K;
  }
  
  vector<int> Y;
  Y.clear();
  for(int i=0;i<N;i++) {
    if(Y.size() == 0 || Y.back() <= A[i]) Y.push_back(A[i]);
    else {
      int V = upper_bound(Y.begin(), Y.end(), A[i]) - Y.begin();
      Y[V] = A[i];
    }
  }
  printf("%d\n", N - Y.size());
}
 
 
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Compilation message (stderr)

studentsko.cpp: In function 'int main()':
studentsko.cpp:28:11: warning: format '%d' expects argument of type 'int', but argument 2 has type 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wformat=]
   28 |  printf("%d\n", N - Y.size());
      |          ~^     ~~~~~~~~~~~~
      |           |       |
      |           int     std::vector<int>::size_type {aka long unsigned int}
      |          %ld
studentsko.cpp:6:7: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
    6 |  scanf("%d %d", &N, &K);
      |  ~~~~~^~~~~~~~~~~~~~~~~
studentsko.cpp:11:8: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   11 |   scanf("%d", &A[i]);
      |   ~~~~~^~~~~~~~~~~~~

• 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