Answer / jeevanvns

#include<stdio.h>
#include<conio.h>
void main()
{
int a,b;
clrscr();
printf("enter the valu");
scanf("%d%d",&a,&b);
a=a+b;
b=a-b;
a=a-b;
printf("%d\t %d\t",a,b);
getch();
}

Answer / tejesh

#include<stdio.h>
#include<conio.h>
void main()
{
int a,b;
clrscr();
printf("enter the value");
scanf("%d%d",&a,&b);
a=a^b; //xor operator -- ^
b=a^b;
a=a^b;
printf("%d\t %d\t",a,b);
getch();
}

Print an integer using only putchar. Try doing it without using extra storage.

2 Answers  

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void pascal f(int i,int j,int k) { printf(“%d %d %d”,i, j, k); } void cdecl f(int i,int j,int k) { printf(“%d %d %d”,i, j, k); } main() { int i=10; f(i++,i++,i++); printf(" %d\n",i); i=10; f(i++,i++,i++); printf(" %d",i); }

1 Answers  

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prog. to produce 1 2 3 4 5 6 7 8 9 10

4 Answers   TCS,

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main() { int c = 5; printf("%d", main||c); } a. 1 b. 5 c. 0 d. none of the above

2 Answers   HCL,

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Declare an array of N pointers to functions returning pointers to functions returning pointers to characters?

1 Answers  

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#define prod(a,b) a*b main() { int x=3,y=4; printf("%d",prod(x+2,y-1)); }

1 Answers  

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#include<stdio.h> main() { register i=5; char j[]= "hello"; printf("%s %d",j,i); }

2 Answers  

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main() { void swap(); int x=10,y=8; swap(&x,&y); printf("x=%d y=%d",x,y); } void swap(int *a, int *b) { *a ^= *b, *b ^= *a, *a ^= *b; }

2 Answers  

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Is the following code legal? struct a { int x; struct a *b; }

2 Answers  

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Write a C program to add two numbers before the main function is called.

11 Answers   Infotech, TC,

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Develop a routine to reflect an object about an arbitrarily selected plane

0 Answers  

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int swap(int *a,int *b) { *a=*a+*b;*b=*a-*b;*a=*a-*b; } main() { int x=10,y=20; swap(&x,&y); printf("x= %d y = %d\n",x,y); }

1 Answers  

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