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Link: http://codepad.org/Ha3uPqsx    [ raw code | output | fork ]

C, pasted on Oct 9:
#include<stdio.h>
#include<conio.h>
#include<math.h>
#define MAX 100

void nhap (int a[], int &n)
{
	do
	{
		printf("\nNhap so phan tu: ");
		scanf("%d", &n);
		if(n <= 0 || n > MAX)
		{
			printf("\nSo phan tu khong hop le. Xin kiem tra lai !");
		}
	}while(n <= 0 || n > MAX);
	for(int i = 0; i < n; i++)
	{
		printf("\nNhap a[%d]: ", i);
		scanf("%d", &a[i]);
	}
}

void xuat(int a[], int n)
{
	for(int i = 0; i < n; i++)
	{
		printf("%4d", a[i]);
	}
}

int DemSoLuongCacGiaTriPhanBiet(int a[], int n)
{
	int dem = 0, flag;
	for(int i = 0; i < n; i++)
	{
		flag = 1;
		for(int j = i + 1; j < n; j++)
		{
			if(a[i] == a[j])
			{
				flag = 0;
				break;
			}
		}
		if(flag == 1)
		{
			dem++;
		}
	}
	return dem;
}
int main()
{
	int n;
	int a[MAX];

	nhap(a, n);
	xuat(a, n);
	int dem = DemSoLuongCacGiaTriPhanBiet(a, n);
	printf("\nSo luong cac gia tri phan biet trong mang = %d", dem);

	getch();
	return 0;
}


Output:
1
2
3
4
5
6
7
Line 17: error: conio.h: No such file or directory
Line 6: error: expected ';', ',' or ')' before '&' token
In function 'xuat':
Line 26: error: 'for' loop initial declaration used outside C99 mode
In function 'DemSoLuongCacGiaTriPhanBiet':
Line 35: error: 'for' loop initial declaration used outside C99 mode
Line 38: error: 'for' loop initial declaration used outside C99 mode


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