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Recent questions tagged operator-precedence

3 votes

5 answers

1

C/C++ operator precedence
Why is the output of the below program 36? int main(){ int a = 1; int b = ++a * ++a * ++a; printf("%d", b ); return 0; }

arpit.bagri asked in Programming in C Aug 6, 2023

1.1k views

5 votes

2 answers

2

Gate@Zeal Workbook - C programming
What will be the output of the following code? _______ #include <stdio.h> int main(){ char val=250; int ans; ans= val+ !val + ~val + ++val; printf("%d", ans); return 0; }

saurabh0709 asked in Programming in C Aug 1, 2023

1.1k views

0 votes

0 answers

3

Calcutta University Btech CSE Question Paper 4th Endsem
(a) Draw the precedence graph with the following precedence relation: S1→ S2; S1→ S3; S1→ S4; S2 → S5; S3→ S5; S4 → S6; S5 → S6 Now suppose that we add the edge (S2, S4) to the graph. (i) Can this new precedence ... statement? If so, show how, if not, explain why? (ii) How can this precedence graph be expressed if semaphores are also used?

sikkaBrown asked in Operating System Jun 10, 2023

315 views

0 votes

3 answers

4

Test Series 2022
Ans is a,b,d

SKMAKM asked in Compiler Design Jul 24, 2022

by SKMAKM

494 views

1 vote

2 answers

5

#compiler-design
Which of the following statements are true. Please give a detailed explanation. 1) If the given grammar is not operator grammar then we can’t design an operator precedence table and there doesn’t exist an operator precedence parser. 2) If the given grammar is operator grammar then it is guaranteed that there exists an operator precedence parser.

Crackca asked in Compiler Design Sep 19, 2021

764 views

0 votes

2 answers

6

NIELIT 2017 DEC Scientific Assistant A - Section B: 59
The expression $5-2-3*5 – 2$ will evaluate to $18$, if : $‘ – ‘$ is left associative and $‘*‘$ has precedence over $‘ – ‘$ $‘ – ‘$ is right associative and $‘*‘$ has precedence over $‘ – ‘$ $‘ – ‘$ is right associative and $‘ – ‘$ has precedence over $‘*‘$ $‘ – ‘$ is left associative and $‘ – ‘$ has precedence over $‘*‘$

admin asked in DS Mar 31, 2020

by admin

1.9k views

3 votes

2 answers

7

NIELIT 2016 DEC Scientist B (IT) - Section B: 17
Which of the following is the correct order of evaluation for the below expression? $z=x+y^*z/4\%2-1$ $^*/\%+-=$ $=^*/\%+-$ $/^*\%-+=$ $^*\% /-+=$

admin asked in DS Mar 31, 2020

by admin

2.5k views

2 votes

1 answer

8

NIELIT 2017 July Scientist B (IT) - Section B: 57
If an SQL query involves NOT,AND,OR with no parenthesis NOT will be evaluated first; AND will be evaluated second; OR will be evaluated last. NOT will be evaluated first; OR will be evaluated second; AND will be evaluated ... first; OR will be evaluated second;NOT will be evaluated last. The order of occurrence determines the order of evaluation.

admin asked in Databases Mar 30, 2020

by admin

2.1k views

1 vote

5 answers

9

UGC NET CSE | December 2004 | Part 2 | Question: 13
What is the value of the arithmetic expression (Written in C) $2*3/4-3/4*2$ $0$ $1$ $1.5$ None of these

go_editor asked in Programming in C Mar 26, 2020

1.5k views

1 vote

3 answers

10

Subject Topic- Programming & DS
Which operator has higher priority between *and / in any expression how to evaluate them

Ram Swaroop asked in Programming in C Dec 18, 2018

406 views

0 votes

1 answer

11

Balaji Jegan asked in Compiler Design Oct 23, 2018

by Balaji Jegan

304 views

0 votes

1 answer

12

C basic concept

Vaishnavi01 asked in Programming in C Sep 3, 2018

525 views

0 votes

1 answer

13

Associvity and precedence

Deepalitrapti asked in Compiler Design Aug 24, 2018

by Deepalitrapti

457 views

1 vote

1 answer

14

Ace Test Series: Programming - Ternary Operator
Let "if x then y else z" denote the expression and this expression can be represented ad "?xyz" using ternary prefix operator the prefix operator for the following expression is If a then if c-d then a+c else a*c else a+b A) ?-acd+ac?+ab+ac B) ?a?-cd+ac*ac+ab C)?a-cd?+ac*ac+ab D )none

Kalpataru Bose asked in Programming in C Jul 27, 2018

by Kalpataru Bose

507 views

0 votes

1 answer

15

Operator precedence parser
What is the difference between operator grammar and operator precedence grammar?

saumya mishra asked in Compiler Design Jun 15, 2018

by saumya mishra

2.2k views

0 votes

0 answers

16

C programming
Can someone explain why this is happening. I have found post increment has higher precedence than pre-increment . And Post increment is left associative and pre-increment is right associative. For the 1st printf it it is 5,6 but the 2nd printf it is 6,7 Why in post increment both statemet has differenet value. https://www.geeksforgeeks.org/c-operator-precedence-associativity/

Abhijit Sen 4 asked in Programming in C May 7, 2018

by Abhijit Sen 4

979 views

2 votes

3 answers

17

Is it always true that operators defined at the same level in the production rule, have same precedence ?

radha gogia asked in Compiler Design Mar 19, 2018

1.1k views

1 vote

2 answers

18

Ace test series

sm asked in Compiler Design Jan 3, 2018

by sm

484 views

1 vote

0 answers

19

#Testbook#Compiler#Precedence
There is a loop when we will make tree and we wont be able to decide whether + or * has higher precedence.... HOW TO SOLVE IT?

dark.hacker.beyhadh asked in Compiler Design Dec 29, 2017

by dark.hacker.beyhadh

341 views

3 votes

1 answer

20

left recursive- self
Is operator precedence parser the only parser that accepts left recursive grammar?

A_i_$_h asked in Compiler Design Nov 13, 2017

906 views

2 votes

1 answer

21

operator grammer
someone please explain how to draw operator precedence table to solve this question.

arch asked in Compiler Design Nov 7, 2017

by arch

1.4k views

0 votes

1 answer

22

Operator Precedence
E → E + E | E * E | ( E ) | id What will be operator precedence for above grammar.Is precedence differs due to ambiguity

jatin khachane 1 asked in Compiler Design Jun 7, 2017

by jatin khachane 1

490 views

0 votes

1 answer

23

ukn asked in Compiler Design Jan 19, 2017

by ukn

394 views

3 votes

1 answer

24

parsing
Consider the following operator grammar E->AaBcD A->bA|e B->bB|e D->eD|g Which of the following precedence relation is incorrect from the above grammar? Assume x<•y is used to represent x is having less precedence than y and in the expression x appears first and y appears next. a) a<•b b) c<•g c) a<•e d) c<•b

kirtikanwar asked in Compiler Design Jan 4, 2017

1.2k views

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Recent questions tagged operator-precedence