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Link: http://codepad.org/1CbygrgO    [ raw code | output | fork ]

C, pasted on Nov 23:
#include<stdio.h>
#include<conio.h>
#include<math.h>
#define MAX 100
void NhapMang(int a[][MAX], int &dong, int &cot)
{
	//Nhập số dòng
	do
	{
		printf("\nNhap vao so dong: ");
		// Cách tà đạo: scanf("dong =%d",&dong);  // Lúc nhập phải viết thêm  chữ ( dong =  ) ở khung console
		scanf("%d",&dong);

		if(dong < 1 || dong > MAX)
		{
			printf("\nSo dong khong hop le. Xin kiem tra lai!");
		}

	}while(dong < 1 || dong > MAX);

	//Nhập số cột
	do
	{
		printf("\nNhap vao so cot: ");
		scanf("%d",&cot);

		if(cot < 1 || cot > MAX)
		{
			printf("\nSo cot khong hop le. Xin kiem tra lai!");

		}

	}while(cot < 1 || cot > MAX);
}

void XuatMang(int a[][MAX], int dong, int cot)
{
	for(int i = 0; i < dong; i++)
	{
		for(int j = 0; j < cot; j++)
		{
			printf("%4d", a[i][j]);
		}
		printf("\n\n");
	}
}
void TaoMaTranXoanOc(int a[][MAX], int dong, int cot)
{
	int trai = 0, tren = 0, duoi = dong, phai = cot, dem = 0, n = dong * cot;
	while(dem < n)
	{
		// chạy hàng trên
		for(int i = trai; i < phai; i++)
		{
			if(dem < n)
			{
				a[tren][i] = dem++;
			}
		}
		tren++; 
		// chạy cột phải
		for(int i = tren; i < duoi; i++)
		{
			if(dem < n)
			{
				a[i][phai - 1] = dem++;
			}
		}
		phai--;
		// chạy hàng dưới
		for(int i = phai - 1; i >= trai; i--)
		{
			if(dem < n)
			{
				a[duoi - 1][i] = dem++;
			}
		}
		duoi--;
		// chạy cột trái
		for(int i = duoi - 1; i >= tren; i--)
		{
			if(dem < n)
			{
				a[i][trai] = dem++;
			}
		}
		trai++;
	}
}
int main()
{
	int a[MAX][MAX], dong, cot;
	NhapMang(a, dong, cot);
	TaoMaTranXoanOc(a, dong, cot);
	XuatMang(a, dong, cot);
	getch();
	return 0;
}


Output:
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Line 17: error: conio.h: No such file or directory
Line 5: error: expected ';', ',' or ')' before '&' token
In function 'XuatMang':
Line 38: error: 'for' loop initial declaration used outside C99 mode
Line 40: error: 'for' loop initial declaration used outside C99 mode
In function 'TaoMaTranXoanOc':
Line 53: error: 'for' loop initial declaration used outside C99 mode
Line 62: error: redefinition of 'i'
Line 53: error: previous definition of 'i' was here
Line 62: error: 'for' loop initial declaration used outside C99 mode
Line 71: error: redefinition of 'i'
Line 62: error: previous definition of 'i' was here
Line 71: error: 'for' loop initial declaration used outside C99 mode
Line 80: error: redefinition of 'i'
Line 71: error: previous definition of 'i' was here
Line 80: error: 'for' loop initial declaration used outside C99 mode


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