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/* Bai tap 3_51 - Trinh bay cac buoc chuyen n dia tu coc A sang coc D
trong bai toan thap Hanoi dung bon dia */
#include <stdio.h>
#include <conio.h>
#include <stdlib.h>
#include <dos.h>
#define A 0
#define B 1
#define C 2
#define D 3
void hanoi(int from, int to, int dia)
{
int tg1, tg2, dia2;
if (dia <= 1)
printf("\nChuyen 1 dia tu coc %c sang coc %c", 'A'+from, 'A'+to);
else
{
if ((from == A && to == D) || (from == D && to == A))
{
tg1 = B;
tg2 = C;
}
else if ((from == A && to == B) || (from == B && to == A))
{
tg1 = C;
tg2 = D;
}
else if ((from == A && to == C) || (from == C && to == A))
{
tg1 = B;
tg2 = D;
}
else if ((from == B && to == C) || (from == C && to == B))
{
tg1 = A;
tg2 = D;
}
else if ((from == B && to == D) || (from == D && to == B))
{
tg1 = A;
tg2 = C;
}
else if ((from == C && to == D) || (from == D && to == C))
{
tg1 = A;
tg2 = B;
}
dia2 = dia / 2;
if (dia % 2 == 1)
{
hanoi(from, tg1, dia2);
hanoi(from, tg2, dia2);
hanoi(from, to, 1);
hanoi(tg2, to, dia2);
hanoi(tg1, to, dia2);
}
else
{
hanoi(from, tg1, dia2);
if (dia2 > 1)
{
hanoi(from, tg2, dia2-1);
hanoi(from, to, 1);
hanoi(tg2, to, dia2-1);
}
else
hanoi(from, to, 1);
hanoi(tg1, to, dia2);
}
}
}
void main()
{
int n;
printf("\nCho biet so dia ( 3 -> 6 ): ");
do {
scanf("%d", &n);
} while (n < 3 || n > 6);
hanoi(A, D, n);
getch();
}
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/* Bai tap 3_51 - Trinh bay cac buoc chuyen n dia tu coc A sang coc D
trong bai toan thap Hanoi dung bon dia */
#include <stdio.h>
#include <conio.h>
#include <stdlib.h>
#include <dos.h>
#define A 0
#define B 1
#define C 2
#define D 3
void hanoi(int from, int to, int dia)
{
int tg1, tg2, dia2;
if (dia <= 1)
printf("\nChuyen 1 dia tu coc %c sang coc %c", 'A'+from, 'A'+to);
else
{
if ((from == A && to == D) || (from == D && to == A))
{
tg1 = B;
tg2 = C;
}
else if ((from == A && to == B) || (from == B && to == A))
{
tg1 = C;
tg2 = D;
}
else if ((from == A && to == C) || (from == C && to == A))
{
tg1 = B;
tg2 = D;
}
else if ((from == B && to == C) || (from == C && to == B))
{
tg1 = A;
tg2 = D;
}
else if ((from == B && to == D) || (from == D && to == B))
{
tg1 = A;
tg2 = C;
}
else if ((from == C && to == D) || (from == D && to == C))
{
tg1 = A;
tg2 = B;
}
dia2 = dia / 2;
if (dia % 2 == 1)
{
hanoi(from, tg1, dia2);
hanoi(from, tg2, dia2);
hanoi(from, to, 1);
hanoi(tg2, to, dia2);
hanoi(tg1, to, dia2);
}
else
{
hanoi(from, tg1, dia2);
if (dia2 > 1)
{
hanoi(from, tg2, dia2-1);
hanoi(from, to, 1);
hanoi(tg2, to, dia2-1);
}
else
hanoi(from, to, 1);
hanoi(tg1, to, dia2);
}
}
}
void main()
{
int n;
printf("\nCho biet so dia ( 3 -> 6 ): ");
do {
scanf("%d", &n);
} while (n < 3 || n > 6);
hanoi(A, D, n);
getch();
}
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