Sync

Task/Sorting-algorithms-Stooge-sort/C++/sorting-algorithms-stooge-sort.cpp

@@ -0,0 +1,30 @@
+#include <iostream>
+#include <time.h>
+
+//------------------------------------------------------------------------------
+using namespace std;
+
+//------------------------------------------------------------------------------
+class stooge
+{
+public:
+    void sort( int* arr, int start, int end )
+    {
+        if( arr[start] > arr[end - 1] ) swap( arr[start], arr[end - 1] );
+	int n = end - start; if( n > 2 )
+	{
+	    n /= 3; sort( arr, start, end - n );
+	    sort( arr, start + n, end ); sort( arr, start, end - n );
+        }
+    }
+};
+//------------------------------------------------------------------------------
+int main( int argc, char* argv[] )
+{
+    srand( static_cast<unsigned int>( time( NULL ) ) ); stooge s; int a[80], m = 80;
+    cout << "before:\n";
+    for( int x = 0; x < m; x++ ) { a[x] = rand() % 40 - 20;  cout << a[x] << " "; }
+    s.sort( a, 0, m ); cout << "\n\nafter:\n";
+    for( int x = 0; x < m; x++ ) cout << a[x] << " "; cout << "\n\n";
+    return system( "pause" );
+}