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Mazyrski [523]
3 years ago
12

Which among the following choices is correct based on the two statements listed below? Statement 1: When the lexical analyzer sc

ans ‘int’ and ‘intvalue’, it is not able to decide whether the int leads to a keyword or an identifier. Statement 2: Longest Match Rule. a. Statement 1 is an assertion, Statement 2 is the reason. b. There is no such Statement 2. c. This is a function of the Syntax Analyzer. d. Statement 1 is an assertion, Statement 2 is the solution. e. This is not a function of the Lexical Analyzer.
Computers and Technology
1 answer:
elena-14-01-66 [18.8K]3 years ago
8 0

Answer: d. Statement 1 is an assertion, Statement 2 is the solution.

Explanation:

The Longest Match rule is a rule which states that whichever lexeme is scanned should always be determined on the support of the longest match available among all the tokens which is accessible. The lexical analyzer used should also follow the rules arrangement, where a reserved word, e.g., a keyword, in a language is given priority over the user input.

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Write a loop that reads positive integers from standard input and that terminates when it reads an integer that is not positive.
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Answer:

The program to this question as follows:

Program:

#defining variable and assign value

odd=0  

even=0  

i=1  

print('Input 0 after inserting all number: ') #print message

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   if (i< 0): #check value is not positive

       break

   if ((i % 2)==0and(i>0)): #check even number condition

       even=even+i #add even numbers

   if ((i % 2)!=0and(i>0)): #check odd number condition

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Output:

Input 0 after inserting all number:  

1

2

3

5

7

0

Sum of Even number: 2 and Sum of Odd number: 16

 Explanation:

In the above python program, three variable is defined, that is "even, odd and i", in which "even and odd" variable assign value that is "0", and the variable i is used for inserting elements from user. In the next line a while loop is defined that inserts numbers in variable "i", in this loop, 3 if block is used that can be defined as follows:

  • In first if block variable "i", checks that value is non-positive number if this condition is true, it will break the loop.
  • In second if block this block check even number condition and add in even variable.
  • In third, if block this block check odd number condition and add in odd variable.  

End of the loop we use print function that prints the sum of even numbers and odd numbers.

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