Condition to increment X or Y co - ordinates respectively
if ( path [ i ] == ' N ' ) mySet . Add ( new KeyValuePair < int , int > ( x , y ++ ) ) ; if ( path [ i ] == ' S ' ) mySet . Add ( new KeyValuePair < int , int > ( x , y -- ) ) ; if ( path [ i ] == ' E ' ) mySet . Add ( new KeyValuePair < int , int > ( x ++ , y ) ) ; if ( path [ i ] == ' W ' ) mySet . Add ( new KeyValuePair < int , int > ( x -- , y ) ) ;