static int minSum ( int arr [ ] , int n ) {
  int sum = arr [ 0 ] ;
  for ( int i = 1 ;
  i < n ;
  i ++ ) {
    if ( arr [ i ] == arr [ i - 1 ] ) {
      int j = i ;
      while ( j < n && arr [ j ] <= arr [ j - 1 ] ) {
        arr [ j ] = arr [ j ] + 1 ;
        j ++ ;
      }
    }
    sum = sum + arr [ i ] ;
  }
  return sum ;
}

static int minSum ( int arr [ ] , int n ) { int sum = arr [ 0 ] ; for ( int i = 1 ; i < n ; i ++ ) { if ( arr [ i ] == arr [ i - 1 ] ) { int j = i ; while ( j < n && arr [ j ] <= arr [ j - 1 ] ) { arr [ j ] = arr [ j ] + 1 ; j ++ ; } } sum = sum + arr [ i ] ; } return sum ; }
(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: (array_access array: (identifier) index: (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 (if_statement condition: (parenthesized_expression (binary_expression left: (array_access array: (identifier) index: (identifier)) right: (array_access array: (identifier) index: (binary_expression left: (identifier) right: (decimal_integer_literal))))) consequence: (block (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (identifier))) (while_statement condition: (parenthesized_expression (binary_expression left: (binary_expression left: (identifier) right: (identifier)) right: (binary_expression left: (array_access array: (identifier) index: (identifier)) right: (array_access array: (identifier) index: (binary_expression left: (identifier) right: (decimal_integer_literal)))))) body: (block (expression_statement (assignment_expression left: (array_access array: (identifier) index: (identifier)) right: (binary_expression left: (array_access array: (identifier) index: (identifier)) right: (decimal_integer_literal)))) (expression_statement (update_expression (identifier))))))) (expression_statement (assignment_expression left: (identifier) right: (binary_expression left: (identifier) right: (array_access array: (identifier) index: (identifier))))))) (return_statement (identifier))))