public static void main ( String [ ] args ) {
  Scanner scanner = new Scanner ( System . in ) ;
  int N = scanner . nextInt ( ) ;
  int D = scanner . nextInt ( ) ;
  int K = scanner . nextInt ( ) ;
  int [ ] L = new int [ D + 1 ] ;
  int [ ] R = new int [ D + 1 ] ;
  int [ ] S = new int [ K ] ;
  int [ ] T = new int [ K ] ;
  for ( int i = 1 ;
  i <= D ;
  i ++ ) {
    L [ i ] = scanner . nextInt ( ) ;
    R [ i ] = scanner . nextInt ( ) ;
  }
  for ( int i = 0 ;
  i < K ;
  i ++ ) {
    S [ i ] = scanner . nextInt ( ) ;
    T [ i ] = scanner . nextInt ( ) ;
  }
  for ( int i = 0 ;
  i < K ;
  i ++ ) {
    int now = S [ i ] ;
    int day = 0 ;
    for ( int j = 1 ;
    j <= D ;
    j ++ ) {
      day ++ ;
      if ( S [ i ] < T [ i ] ) {
        if ( L [ j ] <= now && now <= R [ j ] ) {
          now = R [ j ] ;
          if ( now >= T [ i ] ) {
            System . out . println ( day ) ;
            break ;
          }
        }
      }
      else {
        if ( L [ j ] <= now && now <= R [ j ] ) {
          now = L [ j ] ;
          if ( now <= T [ i ] ) {
            System . out . println ( day ) ;
            break ;
          }
        }
      }
    }
  }
}

public static void main ( String [ ] args ) { Scanner scanner = new Scanner ( System . in ) ; int N = scanner . nextInt ( ) ; int D = scanner . nextInt ( ) ; int K = scanner . nextInt ( ) ; int [ ] L = new int [ D + 1 ] ; int [ ] R = new int [ D + 1 ] ; int [ ] S = new int [ K ] ; int [ ] T = new int [ K ] ; for ( int i = 1 ; i <= D ; i ++ ) { L [ i ] = scanner . nextInt ( ) ; R [ i ] = scanner . nextInt ( ) ; } for ( int i = 0 ; i < K ; i ++ ) { S [ i ] = scanner . nextInt ( ) ; T [ i ] = scanner . nextInt ( ) ; } for ( int i = 0 ; i < K ; i ++ ) { int now = S [ i ] ; int day = 0 ; for ( int j = 1 ; j <= D ; j ++ ) { day ++ ; if ( S [ i ] < T [ i ] ) { if ( L [ j ] <= now && now <= R [ j ] ) { now = R [ j ] ; if ( now >= T [ i ] ) { System . out . println ( day ) ; break ; } } } else { if ( L [ j ] <= now && now <= R [ j ] ) { now = L [ j ] ; if ( now <= T [ i ] ) { System . out . println ( day ) ; break ; } } } } } }
(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 (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: (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: (array_creation_expression type: (integral_type) dimensions: (dimensions_expr (binary_expression left: (identifier) right: (decimal_integer_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 (binary_expression left: (identifier) right: (decimal_integer_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 (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)))))) (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)))))) (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 (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (array_access array: (identifier) index: (identifier)))) (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: (identifier)) update: (update_expression (identifier)) body: (block (expression_statement (update_expression (identifier))) (if_statement condition: (parenthesized_expression (binary_expression left: (array_access array: (identifier) index: (identifier)) right: (array_access array: (identifier) index: (identifier)))) consequence: (block (if_statement condition: (parenthesized_expression (binary_expression left: (binary_expression left: (array_access array: (identifier) index: (identifier)) right: (identifier)) right: (binary_expression left: (identifier) right: (array_access array: (identifier) index: (identifier))))) consequence: (block (expression_statement (assignment_expression left: (identifier) right: (array_access array: (identifier) index: (identifier)))) (if_statement condition: (parenthesized_expression (binary_expression left: (identifier) right: (array_access array: (identifier) index: (identifier)))) consequence: (block (expression_statement (method_invocation object: (field_access object: (identifier) field: (identifier)) name: (identifier) arguments: (argument_list (identifier)))) (break_statement)))))) alternative: (block (if_statement condition: (parenthesized_expression (binary_expression left: (binary_expression left: (array_access array: (identifier) index: (identifier)) right: (identifier)) right: (binary_expression left: (identifier) right: (array_access array: (identifier) index: (identifier))))) consequence: (block (expression_statement (assignment_expression left: (identifier) right: (array_access array: (identifier) index: (identifier)))) (if_statement condition: (parenthesized_expression (binary_expression left: (identifier) right: (array_access array: (identifier) index: (identifier)))) consequence: (block (expression_statement (method_invocation object: (field_access object: (identifier) field: (identifier)) name: (identifier) arguments: (argument_list (identifier)))) (break_statement)))))))))))))