public static void solve ( ) {
  Scanner sc = new Scanner ( System . in ) ;
  int n = sc . nextInt ( ) ;
  int q = sc . nextInt ( ) ;
  String s = sc . next ( ) ;
  int [ ] l = new int [ q ] ;
  int [ ] r = new int [ q ] ;
  for ( int i = 0 ;
  i < q ;
  i ++ ) {
    l [ i ] = sc . nextInt ( ) ;
    r [ i ] = sc . nextInt ( ) ;
  }
  int [ ] len = new int [ n ] ;
  for ( int i = 1 ;
  i < n ;
  i ++ ) {
    if ( s . charAt ( i ) == 'C' && s . charAt ( i - 1 ) == 'A' ) {
      len [ i ] = len [ i - 1 ] + 1 ;
    }
    else {
      len [ i ] = len [ i - 1 ] ;
    }
  }
  for ( int i = 0 ;
  i < q ;
  i ++ ) {
    System . out . println ( len [ r [ i ] - 1 ] - len [ l [ i ] - 1 ] ) ;
  }
}

public static void solve ( ) { Scanner sc = new Scanner ( System . in ) ; int n = sc . nextInt ( ) ; int q = sc . nextInt ( ) ; String s = sc . next ( ) ; int [ ] l = new int [ q ] ; int [ ] r = new int [ q ] ; for ( int i = 0 ; i < q ; i ++ ) { l [ i ] = sc . nextInt ( ) ; r [ i ] = sc . nextInt ( ) ; } int [ ] len = new int [ n ] ; for ( int i = 1 ; i < n ; i ++ ) { if ( s . charAt ( i ) == ' C ' && s . charAt ( i - 1 ) == ' A ' ) { len [ i ] = len [ i - 1 ] + 1 ; } else { len [ i ] = len [ i - 1 ] ; } } for ( int i = 0 ; i < q ; i ++ ) { System . out . println ( len [ r [ i ] - 1 ] - len [ l [ i ] - 1 ] ) ; } }
(method_declaration (modifiers) type: (void_type) name: (identifier) parameters: (formal_parameters) body: (block (local_variable_declaration type: (type_identifier) declarator: (variable_declarator name: (identifier) value: (object_creation_expression type: (type_identifier) arguments: (argument_list (field_access object: (identifier) field: (identifier)))))) (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: (integral_type) declarator: (variable_declarator name: (identifier) value: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list)))) (local_variable_declaration type: (type_identifier) 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: (array_creation_expression type: (integral_type) dimensions: (dimensions_expr (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 (identifier))))) (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: (identifier)) right: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list)))) (expression_statement (assignment_expression left: (array_access array: (identifier) index: (identifier)) right: (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: (array_creation_expression type: (integral_type) dimensions: (dimensions_expr (identifier))))) (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: (binary_expression left: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (identifier))) right: (character_literal)) right: (binary_expression left: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (binary_expression left: (identifier) right: (decimal_integer_literal)))) right: (character_literal)))) consequence: (block (expression_statement (assignment_expression left: (array_access array: (identifier) index: (identifier)) right: (binary_expression left: (array_access array: (identifier) index: (binary_expression left: (identifier) right: (decimal_integer_literal))) right: (decimal_integer_literal))))) alternative: (block (expression_statement (assignment_expression left: (array_access array: (identifier) index: (identifier)) right: (array_access array: (identifier) index: (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 (method_invocation object: (field_access object: (identifier) field: (identifier)) name: (identifier) arguments: (argument_list (binary_expression left: (array_access array: (identifier) index: (binary_expression left: (array_access array: (identifier) index: (identifier)) right: (decimal_integer_literal))) right: (array_access array: (identifier) index: (binary_expression left: (array_access array: (identifier) index: (identifier)) right: (decimal_integer_literal)))))))))))