Submission #19221

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
19221	2016-02-21T11:18:00 Z	LK149	짝수 정렬 (tutorial3)	C++	Compilation error	0 ms	0 KB

tutorial3

#include "grader.h"

int compare(const void* n1, const void* n2){
	int a = *(int*)n1;
	int b = *(int*)n2;
	if (a>b) return 1;
	else if (a<b) return -1;
	else return 0;
}
void sort_even(int N, int *A) {
	int i;
	qsort(A, N, sizeof(int), compare);
	for (i = 0; i < N; i++) {
		if (A[i] % 2 == 0) Report(A[i]);
	}
}

Compilation message

tutorial3.cpp: In function ‘void sort_even(int, int*)’:
tutorial3.cpp:12:34: error: ‘qsort’ was not declared in this scope
  qsort(A, N, sizeof(int), compare);
                                  ^