public static long SubArraySum ( int arr [ ] , int n ) {
  long result = 0 , temp = 0 ;
  for ( int i = 0 ;
  i < n ;
  i ++ ) {
    temp = 0 ;
    for ( int j = i ;
    j < n ;
    j ++ ) {
      temp += arr [ j ] ;
      result += temp ;
    }
  }
  return result ;
}

public static long SubArraySum ( int arr [ ] , int n ) { long result = 0 , temp = 0 ; for ( int i = 0 ; i < n ; i ++ ) { temp = 0 ; for ( int j = i ; j < n ; j ++ ) { temp += arr [ j ] ; result += temp ; } } return result ; }
(method_declaration (modifiers) type: (integral_type) name: (identifier) parameters: (formal_parameters (formal_parameter type: (integral_type) name: (identifier) dimensions: (dimensions)) (formal_parameter type: (integral_type) name: (identifier))) body: (block (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (decimal_integer_literal)) declarator: (variable_declarator name: (identifier) value: (decimal_integer_literal))) (for_statement init: (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (decimal_integer_literal))) condition: (binary_expression left: (identifier) right: (identifier)) update: (update_expression (identifier)) body: (block (expression_statement (assignment_expression left: (identifier) right: (decimal_integer_literal))) (for_statement init: (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (identifier))) condition: (binary_expression left: (identifier) right: (identifier)) update: (update_expression (identifier)) body: (block (expression_statement (assignment_expression left: (identifier) right: (array_access array: (identifier) index: (identifier)))) (expression_statement (assignment_expression left: (identifier) right: (identifier))))))) (return_statement (identifier))))