private static void solve ( FastScanner scanner , StringBuilder out ) {
  int n = scanner . nextInt ( ) ;
  int [ ] arr = scanner . nextArray ( n ) ;
  long [ ] sums = new long [ n + 1 ] ;
  for ( int i = 0 ;
  i < n ;
  i ++ ) {
    sums [ i + 1 ] = arr [ i ] + sums [ i ] ;
  };
}

private static void solve ( FastScanner scanner , StringBuilder out ) { int n = scanner . nextInt ( ) ; int [ ] arr = scanner . nextArray ( n ) ; long [ ] sums = new long [ n + 1 ] ; for ( int i = 0 ; i < n ; i ++ ) { sums [ i + 1 ] = arr [ i ] + sums [ i ] ; } ; }
(method_declaration (modifiers) type: (void_type) name: (identifier) parameters: (formal_parameters (formal_parameter type: (type_identifier) name: (identifier)) (formal_parameter type: (type_identifier) name: (identifier))) body: (block (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list)))) (local_variable_declaration type: (array_type element: (integral_type) dimensions: (dimensions)) declarator: (variable_declarator name: (identifier) value: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (identifier))))) (local_variable_declaration type: (array_type element: (integral_type) dimensions: (dimensions)) declarator: (variable_declarator name: (identifier) value: (array_creation_expression type: (integral_type) dimensions: (dimensions_expr (binary_expression left: (identifier) right: (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: (array_access array: (identifier) index: (binary_expression left: (identifier) right: (decimal_integer_literal))) right: (binary_expression left: (array_access array: (identifier) index: (identifier)) right: (array_access array: (identifier) index: (identifier)))))))))