static int MinStep ( int a [ ] , int n ) {
  int positive = 0 , negative = 0 , zero = 0 ;
  int step = 0 ;
  for ( int i = 0 ;
  i < n ;
  i ++ ) {
    if ( a [ i ] == 0 ) {
      zero ++ ;
    }
    else if ( a [ i ] < 0 ) {
      negative ++ ;
      step = step + ( - 1 - a [ i ] ) ;
    }
    else {
      positive ++ ;
      step = step + ( a [ i ] - 1 ) ;
    }
  }
  if ( negative % 2 == 0 ) {
    step = step + zero ;
  }
  else {
    if ( zero > 0 ) {
      step = step + zero ;
    }
    else {
      step = step + 2 ;
    }
  }
  return step ;
}

static int MinStep ( int a [ ] , int n ) { int positive = 0 , negative = 0 , zero = 0 ; int step = 0 ; for ( int i = 0 ; i < n ; i ++ ) { if ( a [ i ] == 0 ) { zero ++ ; } else if ( a [ i ] < 0 ) { negative ++ ; step = step + ( - 1 - a [ i ] ) ; } else { positive ++ ; step = step + ( a [ i ] - 1 ) ; } } if ( negative % 2 == 0 ) { step = step + zero ; } else { if ( zero > 0 ) { step = step + zero ; } else { step = step + 2 ; } } return step ; }
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