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#include <stdio.h>
 
int Nhapmang(int[], int);
int Xuatmang(int[], int);
int Lietke(int[], int);
 
int main()
{
	int n;
	int a[100];
	Nhapmang(a, n);
	Xuatmang(a, n);
	printf("Cac gia tri chan trong mang la: ");
	Lietke(a, n);
	return 0;
}
 
int Nhapmang(int a[], int &n)
{
	printf("Nhap so phan tu: ");
	scanf("%d", &n);
	for (int i = 0; i < n; i++)
	{
		printf("Nhap a[%d]: ", i);
		scanf("%d", &a[i]);
	}
}
 
int Xuatmang(int a[], int n)
{
	for (int i = 0; i < n; i++)
	{
		printf("Mang vua nhap la: \n");
		printf("a[%d]= %4d", i, a[i]);
	}
}
 
int Lietke(int a[], int n)
{
	for (int i = 0; i < n; i++)
	{
		if (a[i] % 2 == 0)
		{
			printf("a[%d]=%4d", i, a[i]);
		}
	}
}

prog.cpp: In function ‘void Xuatmang(int*, int)’:
prog.cpp:29:6: error: ambiguating new declaration of ‘void Xuatmang(int*, int)’
 void Xuatmang(int a[], int n)
      ^~~~~~~~
prog.cpp:4:5: note: old declaration ‘int Xuatmang(int*, int)’
 int Xuatmang(int[], int);
     ^~~~~~~~
prog.cpp: In function ‘void Lietke(int*, int)’:
prog.cpp:38:6: error: ambiguating new declaration of ‘void Lietke(int*, int)’
 void Lietke(int a[], int n)
      ^~~~~~
prog.cpp:5:5: note: old declaration ‘int Lietke(int*, int)’
 int Lietke(int[], int);
     ^~~~~~

Standard output is empty