- Minh hoa phep nhan tay */
#include <stdio.h>
void nhantay(unsigned long sobn, unsigned long son)
{
unsigned long k, n;
int i=0;
char s[20];
printf("\n%20ld\n", sobn);
ltoa(son, s, 10);
for (i=0; i<18-strlen(s); i++)
printf(" ");
printf("X %s", s);
printf("\n ------------");
n = son;
i = 0;
while (n>0)
{
k = n%10;
n /= 10;
k *= sobn;
ltoa(k, s, 10);
printf("\n");
gotoxy(21 - strlen(s) - i, wherey());
cprintf("%s", s);
i++;
}
ltoa(sobn*son, s, 10);
printf("\n ------------\n");
gotoxy(21 - strlen(s), wherey());
cprintf("%s", s);
}
void main()
{
unsigned long sobinhan, sonhan;
printf("\Nhap so bi nhan : ");
scanf("%ld", &sobinhan);
printf("\Nhap so nhan : ");
scanf("%ld", &sonhan);
nhantay(sobinhan, sonhan);
getch();
}
Tiêu đề: Minh hoa phep nhan tay 
10/07/10, 08:50 pm