public static void main ( String [ ] args ) {
  try ( Scanner sc = new Scanner ( System . in ) ) {
    int N = Integer . parseInt ( sc . next ( ) ) ;
    int Q = Integer . parseInt ( sc . next ( ) ) ;
    String S = sc . next ( ) ;
    int [ ] [ ] lr = new int [ Q ] [ 2 ] ;
    for ( int i = 0 ;
    i < Q ;
    i ++ ) {
      lr [ i ] [ 0 ] = Integer . parseInt ( sc . next ( ) ) ;
      lr [ i ] [ 1 ] = Integer . parseInt ( sc . next ( ) ) ;
    }
    final String AC = "AC" ;
    int [ ] [ ] counter = new int [ S . length ( ) ] [ 2 ] ;
    int count = 0 ;
    for ( int i = 0 ;
    i < S . length ( ) - 1 ;
    i ++ ) {
      counter [ i ] [ 1 ] = count ;
      if ( AC . equals ( S . substring ( i , i + 2 ) ) ) {
        count ++ ;
      }
    }
    counter [ S . length ( ) - 1 ] [ 1 ] = count ;
    for ( int i = 0 ;
    i < Q ;
    i ++ ) {
      System . out . println ( counter [ lr [ i ] [ 1 ] - 1 ] [ 1 ] - counter [ lr [ i ] [ 0 ] - 1 ] [ 1 ] ) ;
    }
  }
}

public static void main ( String [ ] args ) { try ( Scanner sc = new Scanner ( System . in ) ) { int N = Integer . parseInt ( sc . next ( ) ) ; int Q = Integer . parseInt ( sc . next ( ) ) ; String S = sc . next ( ) ; int [ ] [ ] lr = new int [ Q ] [ 2 ] ; for ( int i = 0 ; i < Q ; i ++ ) { lr [ i ] [ 0 ] = Integer . parseInt ( sc . next ( ) ) ; lr [ i ] [ 1 ] = Integer . parseInt ( sc . next ( ) ) ; } final String AC = " AC " ; int [ ] [ ] counter = new int [ S . length ( ) ] [ 2 ] ; int count = 0 ; for ( int i = 0 ; i < S . length ( ) - 1 ; i ++ ) { counter [ i ] [ 1 ] = count ; if ( AC . equals ( S . substring ( i , i + 2 ) ) ) { count ++ ; } } counter [ S . length ( ) - 1 ] [ 1 ] = count ; for ( int i = 0 ; i < Q ; i ++ ) { System . out . println ( counter [ lr [ i ] [ 1 ] - 1 ] [ 1 ] - counter [ lr [ i ] [ 0 ] - 1 ] [ 1 ] ) ; } } }
(method_declaration (modifiers) type: (void_type) name: (identifier) parameters: (formal_parameters (formal_parameter type: (array_type element: (type_identifier) dimensions: (dimensions)) name: (identifier))) body: (block (try_with_resources_statement resources: (resource_specification (resource type: (type_identifier) name: (identifier) value: (object_creation_expression type: (type_identifier) arguments: (argument_list (field_access object: (identifier) field: (identifier)))))) body: (block (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (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 (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)) dimensions: (dimensions_expr (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: (array_access array: (identifier) index: (identifier)) index: (decimal_integer_literal)) right: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (method_invocation object: (identifier) name: (identifier) arguments: (argument_list)))))) (expression_statement (assignment_expression left: (array_access array: (array_access array: (identifier) index: (identifier)) index: (decimal_integer_literal)) right: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (method_invocation object: (identifier) name: (identifier) arguments: (argument_list)))))))) (local_variable_declaration (modifiers) type: (type_identifier) declarator: (variable_declarator name: (identifier) value: (string_literal))) (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 (method_invocation object: (identifier) name: (identifier) arguments: (argument_list))) dimensions: (dimensions_expr (decimal_integer_literal))))) (local_variable_declaration type: (integral_type) 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: (binary_expression left: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list)) right: (decimal_integer_literal))) update: (update_expression (identifier)) body: (block (expression_statement (assignment_expression left: (array_access array: (array_access array: (identifier) index: (identifier)) index: (decimal_integer_literal)) right: (identifier))) (if_statement condition: (parenthesized_expression (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (identifier) (binary_expression left: (identifier) right: (decimal_integer_literal))))))) consequence: (block (expression_statement (update_expression (identifier))))))) (expression_statement (assignment_expression left: (array_access array: (array_access array: (identifier) index: (binary_expression left: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list)) right: (decimal_integer_literal))) index: (decimal_integer_literal)) right: (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 (method_invocation object: (field_access object: (identifier) field: (identifier)) name: (identifier) arguments: (argument_list (binary_expression left: (array_access array: (array_access array: (identifier) index: (binary_expression left: (array_access array: (array_access array: (identifier) index: (identifier)) index: (decimal_integer_literal)) right: (decimal_integer_literal))) index: (decimal_integer_literal)) right: (array_access array: (array_access array: (identifier) index: (binary_expression left: (array_access array: (array_access array: (identifier) index: (identifier)) index: (decimal_integer_literal)) right: (decimal_integer_literal))) index: (decimal_integer_literal))))))))))))