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Made tower of Hanoi clear #619

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Made tower of Hanoi clear #619

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15 changes: 8 additions & 7 deletions towerofhanoi.cpp
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Original file line number Diff line number Diff line change
@@ -1,16 +1,17 @@
#include <iostream>
using namespace std;

void ToH(int n, char A, char B, char C)
void tower(int num, char src, char aux, char dest)
{
if (n == 1)
if (num == 1)
{
cout << "Move 1 from " << A << " to " << C << endl;
cout << "Move from " << src << " to " << dest << endl;
return;
}
ToH(n - 1, A, C, B);
cout << "Move " << n << " from " << A << " to " << C << endl;
ToH(n - 1, B, A, C);

tower(num - 1, src, dest, aux); //Visualize how if we could move n-1 discs
tower(1, src, aux, dest); //we would move them to aux, then one disc to dest
tower(num - 1, aux, src, dest); //then move the discs from aux to destination
}

int main()
Expand All @@ -19,7 +20,7 @@ int main()
int n;
cin >> n;

ToH(n, 'A', 'B', 'C');
tower(n, 'S', 'A', 'D');

return 0;
}