#include<stdio.h> #include<conio.h> main() { int a[3],i; for(i=0;i<3;i++) a[i]=i++; for(i=0;i<3;i++) printf(" %d",a[i]); }

void main() { int a = 123, b = 456; a ^= b ^= a ^= b; printf("%d %d",a,b); }

void main() { int a=5,b=4,c=10; *((a>b) ? &a : &b) = (a+b>c); printf(%d %d,a,b); }

void f(int *ip) { static int dummy = 5; ip = &dummy; printf(%u,ip); } void main() { int *ip; f(ip); printf(%u,ip); }

void main() { int realarray[2]={1,2}; int *array = &realarray[-1]; int i; for(i=0;i<2;i++) { printf(" %d",*array); array++; } }

What will be the output of the given function?void main() { int a=1,b=2,c=3,d=4; printf("%d",!a?b?!c:!d:a); }

int main() { int a=500,b=100,c=30,d=40,e=19; a+=b-=c*=d/=e%=5; printf("%d %d %d %d %d",a,b,c,d,e); }

main() {
extern i; printf("%d",i); { int i=20; printf("%d",i); } }

#define Str(x) #x #define Xstr(x) Str(x) #define OP plus void main() { char *opname = Xstr(OP); printf(%s,opname); }

void main() { int i; for (i=5; ++i; i-=3) printf("%d ",i); }

What will be the output of the following program? void main() { int val=1234; int* ptr=&val; printf("%d %d",val,*ptr++); }

What will be the output of the following program?

void func() { printf("Testing...Done"); } void main() { func; func(); }

A signed int bitfield 1-bit wide can only hold the values

What will be the output of the following program? void main() { int i; float a[5]; for (i=0; i<5; i++) a[i] = (printf, ("%d",i/10.0)); for (i=0; i<5; i++) printf("%.1f ",a[i]); }

void main() { int ; _=100; printf("%d",); }

#define big(a,b) a > b ? a : b #define swap(a,b) temp=a; a=b; b=temp; void main() { int a=3,b=5,temp=0; if ((3+big(a,b)) > b) swap(a,b); printf("%d %d",a,b); }

Evaluate the following:

int fn(int v) { if(v==1 || v==0) return 1; if(v%2==0) return fn(v/2)+2; else return fn(v-1)+3; } for fn(7);

What does the following code do?

void afunction(int *x) { x=new int; *x=12; } int main() { int v=10; afunction(&v); printf(“%d”,v); }

What does the line containing "break;" do in the following code?

void afunction() { if(1) { break; afunction(); printf("Error"); } }

void main() { int choice=2; switch(choice) { default: printf("Default1");

case 1: printf("Case1"); break;

default: printf("Default2"); } }

What are the types of variable f2 and p2 in the following declaration?

#define floatptr float * #define int * intptr

floatptr f1,f2; intptr p1,p2;

What would be the output of the following?

#define SQR(x) x*x main() { int a,b=3; a=SQR(b+2); printf(“%d”,a); }

What will be the output of the following program?

void func() { printf("Testing...Done"); } void main() { func; func(); }What would be the output of the following?

main() { int a=10,b; a>=5?b=100:b=200; printf("%d",b); }

What would be the output of the following?

main() { int i=4; switch(i) { default: printf(“A”); case 1: printf(“B”); break; case 2: printf(“C”); break; case 3: printf(“D”); break; } }