#include <stdio.h>
#define N 7
int main(int argc, char* argv[])
{
int A[N] = { 5, 4, 7, 8, 6, 8, 1 };
bool b = false;
for (int i = 0; i < N && !b; i++)
{
int count = 0;
for (int k = i+1; k < N; k++)
if (A[k] == A[i]) count++;
if (count > 0) b = true;
}
if (b != false) printf("Duplicate elements found\n");
return 0;
}