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Link: http://codepad.org/2ILXUBfR    [ raw code | output | fork ]

C, pasted on Nov 29:
#include<stdio.h>
#include<conio.h>
#include<math.h>
#define MAX 100

void NhapMaTran(int a[][MAX], int &dong, int &cot)
{
	for(int i = 0; i < dong; i++)
	{
		for(int j = 0; j < cot; j++)
		{
			printf("\nNhap a[%d][%d] = ", i, j);
			scanf("%d", &a[i][j]);
		}
	}
}

void XuatMaTran(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 TinhTong2MaTran(int a[][MAX], int b[][MAX], int c[][MAX], int dong, int cot)
{
	for(int i = 0; i < dong; i++)
	{
		for(int j = 0; j < cot; j++)
		{
			c[i][j] = a[i][j] + b[i][j];
		}
	}
}
int main()
{
	int a[MAX][MAX], b[MAX][MAX], c[MAX][MAX], dong, 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);
	printf("\nNhap vao ma tran A: \n");
	NhapMaTran(a, dong, cot);

	printf("\nNhap vao ma tran B: \n");
	NhapMaTran(b, dong, cot);

	printf("\nMa tran A vua nhap: \n");
	XuatMaTran(a, dong, cot);

	printf("\nMa tran B vua nhap: \n");
	XuatMaTran(b, dong, cot);
	
	TinhTong2MaTran(a, b, c, dong, cot);
	printf("\nMa tran C = A + B \n");
	XuatMaTran(c, dong, cot);

	getch();
	return 0;
}


Output:
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Line 17: error: conio.h: No such file or directory
Line 6: error: expected ';', ',' or ')' before '&' token
In function 'XuatMaTran':
Line 20: error: 'for' loop initial declaration used outside C99 mode
Line 22: error: 'for' loop initial declaration used outside C99 mode
In function 'TinhTong2MaTran':
Line 32: error: 'for' loop initial declaration used outside C99 mode
Line 34: error: 'for' loop initial declaration used outside C99 mode


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