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Josephus Problem.cpp #76

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24 changes: 24 additions & 0 deletions recursion/c++/#include <iostream>.cpp
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Original file line number Diff line number Diff line change
@@ -0,0 +1,24 @@
#include <iostream>
using namespace std;

int josephus(int n, int k)
{
if (n == 1)
return 1;
else
/* The position returned by josephus(n - 1, k)
is adjusted because the recursive call
josephus(n - 1, k) considers the
original position k % n + 1 as position 1 */
return (josephus(n - 1, k) + k - 1) % n + 1;
}

// Driver Program to test above function
int main()
{
int n = 14;
int k = 2;
cout << "The chosen place is " << josephus(n, k);
return 0;
}

24 changes: 24 additions & 0 deletions recursion/c++/Josephus Problem.cpp
View file
Open in desktop
Original file line number Diff line number Diff line change
@@ -0,0 +1,24 @@
#include <iostream>
using namespace std;

int josephus(int n, int k)
{
if (n == 1)
return 1;
else
/* The position returned by josephus(n - 1, k)
is adjusted because the recursive call
josephus(n - 1, k) considers the
original position k % n + 1 as position 1 */
return (josephus(n - 1, k) + k - 1) % n + 1;
}

// Driver Program to test above function
int main()
{
int n = 14;
int k = 2;
cout << "The chosen place is " << josephus(n, k);
return 0;
}