static int sumOfLargePrimeFactor ( int n ) {
  int prime [ ] = new int [ n + 1 ] , sum = 0 ;
  Arrays . fill ( prime , 0 ) ;
  int max = n / 2 ;
  for ( int p = 2 ;
  p <= max ;
  p ++ ) {
    if ( prime [ p ] == 0 ) {
      for ( int i = p * 2 ;
      i <= n ;
      i += p ) prime [ i ] = p ;
    }
  }
  for ( int p = 2 ;
  p <= n ;
  p ++ ) {
    if ( prime [ p ] != 0 ) sum += prime [ p ] ;
    else sum += p ;
  }
  return sum ;
}

static int sumOfLargePrimeFactor ( int n ) { int prime [ ] = new int [ n + 1 ] , sum = 0 ; Arrays . fill ( prime , 0 ) ; int max = n / 2 ; for ( int p = 2 ; p <= max ; p ++ ) { if ( prime [ p ] == 0 ) { for ( int i = p * 2 ; i <= n ; i += p ) prime [ i ] = p ; } } for ( int p = 2 ; p <= n ; p ++ ) { if ( prime [ p ] != 0 ) sum += prime [ p ] ; else sum += p ; } return sum ; }
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