C Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

C Interview Questions

Questions Answers Views Company eMail

main() { int x=20,y=35; x = y++ + x++; y = ++y + ++x; printf("%d %d\n",x,y); } what is the output?

Ramco,

10 19343

main() { int x=5; printf("%d %d %d\n",x,x<<2,x>>2); } what is the output?

Ramco,

9 18246

#define swap1(a,b) a=a+b;b=a-b;a=a-b; main() { int x=5,y=10; swap1(x,y); printf("%d %d\n",x,y); swap2(x,y); printf("%d %d\n",x,y); } int swap2(int a,int b) { int temp; temp=a; b=a; a=temp; return; } what are the outputs?

Ramco,

4 20156

#include main() { char s1[]="Ramco"; char s2[]="Systems"; s1=s2; printf("%s",s1); } what will happen if you executed this code?

Ramco,

4 10035

#include main() { char *p1; char *p2; p1=(char *) malloc(25); p2=(char *) malloc(25); strcpy(p1,"Ramco"); strcpy(p2,"Systems"); strcat(p1,p2); printf("%s",p1); } Tell me the output?

Ramco,

6 16401

main() { int x=10,y=15; x=x++; y=++y; printf("%d %d\n",x,y); } output??

EBS, Ramco, Sangwin, TCS,

19 61411

main() { int a=0; if(a=0) printf("Ramco Systems\n"); printf("India\n"); } output?

Ramco,

7 13240

#include int SumElement(int *,int); void main(void) { int x[10]; int i=10; for(;i;) { i--; *(x+i)=i; } printf("%d",SumElement(x,10)); } int SumElement(int array[],int size) { int i=0; float sum=0; for(;i

Ramco,

5 11083

const char * char * const What is the differnce between the above tow?.

Ramco, TCS,

6 10687

two variables are added answer is stored on not for third variable how it is possible?

3 6316

how to convert binary to decimal and decimal to binary in C lanaguage

BPO, Far East Promotions, IBM, RBS,

7 28161

what is use#in c

3 6786

how to connect oracle in C/C++.

TCS, Wipro,

3 10165

How to use c/c++ code in JAVA

CDAC, IBM, Satyam, Scope International,

10 21996

Explain the importance and use of each component of this string: Foo.Bar, Version=2.0.205.0, Culture=neutral, PublicKeyToken=593777ae2d274679d

TCS,

1 7142

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Un-Answered Questions { C }

What is a string?

1121

i got 75% in all semester am i eligible for your company

2230

Why c is called a middle level language?

1114

What is #include stdio h and #include conio h?

1110

why programs in c are running with out #include? some warnings are display in terminal but we execute the program we get answer why? eg: main() { printf("hello world "); }

1768

What is substring in c?

1207

Explain what is the heap?

1058

What are volatile variables in c?

953

What is a class c rental property?

1102

What is the -> in c?

1016

What is time complexity c?

1000

Is exit(status) truly equivalent to returning the same status from main?

1077

What is difference between structure and union in c?

991

What is the best way of making my program efficient?

1040

How do I swap bytes?

1076

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