Submission #878855

#	Time	Username	Problem	Language	Result	Execution time	Memory
878855		KN200711	Studentsko (COCI14_studentsko)	C++14	100 / 100	2 ms	348 KiB

studentsko

# 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());
}

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