static int breakSum ( int n ) {
  int dp [ ] = new int [ n + 1 ] ;
  dp [ 0 ] = 0 ;
  dp [ 1 ] = 1 ;
  for ( int i = 2 ;
  i <= n ;
  i ++ ) dp [ i ] = Math . max ( dp [ i / 2 ] + dp [ i / 3 ] + dp [ i / 4 ] , i ) ;
  return dp [ n ] ;
}

static int breakSum ( int n ) { int dp [ ] = new int [ n + 1 ] ; dp [ 0 ] = 0 ; dp [ 1 ] = 1 ; for ( int i = 2 ; i <= n ; i ++ ) dp [ i ] = Math . max ( dp [ i / 2 ] + dp [ i / 3 ] + dp [ i / 4 ] , i ) ; return dp [ n ] ; }
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