static int maxSum1 ( int arr [ ] , int n ) {
  int dp [ ] = new int [ n ] ;
  int maxi = 0 ;
  for ( int i = 0 ;
  i < n - 1 ;
  i ++ ) {
    dp [ i ] = arr [ i ] ;
    if ( maxi < arr [ i ] ) maxi = arr [ i ] ;
  }
  for ( int i = 2 ;
  i < n - 1 ;
  i ++ ) {
    for ( int j = 0 ;
    j < i - 1 ;
    j ++ ) {
      if ( dp [ i ] < dp [ j ] + arr [ i ] ) {
        dp [ i ] = dp [ j ] + arr [ i ] ;
        if ( maxi < dp [ i ] ) maxi = dp [ i ] ;
      }
    }
  }
  return maxi ;
}

static int maxSum1 ( int arr [ ] , int n ) { int dp [ ] = new int [ n ] ; int maxi = 0 ; for ( int i = 0 ; i < n - 1 ; i ++ ) { dp [ i ] = arr [ i ] ; if ( maxi < arr [ i ] ) maxi = arr [ i ] ; } for ( int i = 2 ; i < n - 1 ; i ++ ) { for ( int j = 0 ; j < i - 1 ; j ++ ) { if ( dp [ i ] < dp [ j ] + arr [ i ] ) { dp [ i ] = dp [ j ] + arr [ i ] ; if ( maxi < dp [ i ] ) maxi = dp [ i ] ; } } } return maxi ; }
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