static int Parts ( int Arr [ ] , int N ) {
  int factor = Arr [ 1 ] - Arr [ 0 ] ;
  for ( int i = 2 ;
  i < N ;
  i ++ ) {
    factor = __gcd ( factor , Arr [ i ] - Arr [ i - 1 ] ) ;
  }
  factor = __gcd ( factor , 360 - Arr [ N - 1 ] + Arr [ 0 ] ) ;
  int cuts = ( 360 / factor ) - N ;
  return cuts ;
}

static int Parts ( int Arr [ ] , int N ) { int factor = Arr [ 1 ] - Arr [ 0 ] ; for ( int i = 2 ; i < N ; i ++ ) { factor = __gcd ( factor , Arr [ i ] - Arr [ i - 1 ] ) ; } factor = __gcd ( factor , 360 - Arr [ N - 1 ] + Arr [ 0 ] ) ; int cuts = ( 360 / factor ) - N ; return cuts ; }
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