Why does the C code printf ("%x",-1<<-1); output ffffffff while printf ("%x", 1<<-1) outputs 0?

Asked by Last Modified  

2 Answers

Learn C Language

Follow 2
Answer

Please enter your answer

Ravi Kumar

Tutor

its shift operators left and right, so its changing the binary value of 1 either it is 1 or -1
Comments
Dislike Bookmark

the behavior of both statements is undefined. Undefined behavior means, from C perspective, both programs are indistinguishable from a program that divides by zero or overruns a buffer or increments the same variable twice: anything can happen. If something is printed, it is garbage.
Comments
Dislike Bookmark

Related Questions

I’ve been learning C language for 3 weeks but it’s becoming more difficult. As a result, I’m becoming lazy. What should I do to motivate myself?
Learn algorithm or flowchart first. Once you start C, try to relate with real time example. Example: When learn printf() , think about a a bill where you customer information is printed. Similarly when...
Akhilesh
0 0
5
How do you print an address?
int main(){ int a=5; printf("Address of variable a is: %d",&a); return 0; }
Prakash
2 0
6
What is the importance of pointers? People stress more on them. Why they are useful actually what is their importance?
Importance of pointers:- Pointers are used in situations when passing actual values is difficult or not desired. To return more than one value from a function. They increase the execution speed. The...
Pati
Is C programming and embedded C the one and the same?
No. Both are different.
Yogesh
0 0
5
Is it necessary to learn data structures in C language only?
data structure helpful to improve your coding stability
Vikas
0 0
8

Now ask question in any of the 1000+ Categories, and get Answers from Tutors and Trainers on UrbanPro.com

Ask a Question

Related Lessons

Swapping variable contents using C
/* WAP to swap the content of variables using C*/ //Header files #include<stdio.h>#include<conio.h> //Main function void main(){ //Variable declaration of type integer int a,b,c; //function...

Salim Ahmed Ansari

0 0
0
C Program-Vowels and Consonants
/*WAP to print the character entered by user is a vowel or consonant*/ //Header files #include<stdio.h>#include<conio.h> //Main functionvoid main(){ char c; //Function for clearing screen...

Salim Ahmed Ansari

0 0
0
Creating First Program Using C Language
Step 1: Install and setup Turbo C compiler on your computer. Step 2: Open Turbo C from your Desktop or Programs menu. Select “File” from menu bar and select option “New”. Step...

Dipti S.

0 0
0
Operators in C
Operators in C Operator: An operator is a symbol that tells the compiler to perform certain mathematical or logical calculations. Operators are used in programs to manipulate data and variables. The...

Venkateswararao S.

0 0
0
C Programming basics
C PROGRAMMING BASICS 10 Hours Introduction to ‘ C’ programming –fundamentals – structure of a ‘C’...
O

Om K.

0 0
0

Recommended Articles

Lasya Infotech: An educational Training...

Lasya Infotech is a Hyderabad based IT training institute founded in 2016 by O Venkat. Believing in his innovation, passion and persistence and with a diverse blend of experience, he started his brainchild to deliver exemplary professional courses to aspiring candidates by honing their skills. Ever since the institute envisions...

Read full article >

Brilliant Academy, a reputed B. Tech Tuition...

Brilliant Academy is one of the reputed institutes for B.Tech tuition classes. This institute is specialised in delivering quality tuition classes for B.E, Engineering - all streams and Engineering diploma courses. Incorporated in 2012, Brillant Academy is a brainchild of Mr Jagadeesh. The main motto of the academy is to...

Read full article >

Why Should you Become an IT Consultant

Information technology consultancy or Information technology consulting is a specialized field in which one can set their focus on providing advisory services to business firms on finding ways to use innovations in information technology to further their business and meet the objectives of the business. Not only does...

Read full article >

Learn Microsoft Excel

Microsoft Excel is an electronic spreadsheet tool which is commonly used for financial and statistical data processing. It has been developed by Microsoft and forms a major component of the widely used Microsoft Office. From individual users to the top IT companies, Excel is used worldwide. Excel is one of the most important...

Read full article >

Find C Language Classes near you
C Language Classes in Bangalore
C Language Classes in Hyderabad
C Language Classes in Delhi
C Language Classes in Pune
C Language Classes in Chennai
C Language Classes in Mumbai
C Language Classes in Kolkata
C Language Classes in Noida
C Language Classes in Ghaziabad
C Language Classes in Gurgaon

Looking for C Language Classes?

Learn from the Best Tutors on UrbanPro

Are you a Tutor or Training Institute?

Join UrbanPro Today to find students near you