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();
}

#define a 10 void foo() { #undef a #define a 50 } int main() { printf("%d..",a); foo(); printf("%d..",a); return 0; } explain the answer

1 Answers  

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4. Main() { Int i=3,j=2,c=0,m; m=i&&j||c&I; printf(“%d%d%d%d”,I,j,c,m); }

2 Answers   Broadridge,

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how to check whether a linked list is circular.

11 Answers   Microsoft,

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respected sir, i did my MCA in 2013 when i am going to attend to an interview i was asked about my project how will i explain my project could please help me in this and my project title is "Social Networking Site For Social Responsibility"

1 Answers   Genpact, Ozdocs,

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main() { char *p = “ayqm”; char c; c = ++*p++; printf(“%c”,c); }

1 Answers  

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program to find magic aquare using array

4 Answers   HCL,

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#define SQR(x) x * x main() { printf("%d", 225/SQR(15)); } a. 1 b. 225 c. 15 d. none of the above

3 Answers   HCL,

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Give a very good method to count the number of ones in a 32 bit number. (caution: looping through testing each bit is not a solution)

7 Answers   Microsoft,

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#include <stdio.h> main() { char * str = "hello"; char * ptr = str; char least = 127; while (*ptr++) least = (*ptr<least ) ?*ptr :least; printf("%d",least); }

1 Answers  

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1) int i=5; j=i++ + i++ + i++; printf("%d",j);This code gives the answer 15.But if we replace the value of the j then anser is different?why? 2)int i=5; printf("%d",i++ + i++ + i++); this givs 18.

8 Answers   IBPS, Infosys, TCS,

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Given an array of characters which form a sentence of words, give an efficient algorithm to reverse the order of the words (not characters) in it.

9 Answers   Microsoft,

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#include<stdio.h> main() { struct xx { int x=3; char name[]="hello"; }; struct xx *s; printf("%d",s->x); printf("%s",s->name); }

3 Answers   Hexaware,

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