Answer / daru

just use Bresenham's algo

d=1-r;
y=r;
x=0;
while(y>x)
{
if(d<0)
d+=2*x+3;
else {
d+=2*(x-y)+5;
y--;
}
x++;
plotpoints(x,y);
}

Answer / vignesh

#include<stdio.h>
#include<graphics.h>
main()
{
int x,y,r;
printf("Enter x,y,r\n");
scanf("%d %d %d",&x,&y,&r);

int g=DETECT,gmode;
initgraphics(&g,&gmode,"");
circle(x,y,r);
closegraphics();
}

How to swap two variables, without using third variable ?

104 Answers   AB, ADP, BirlaSoft, Cisco, Cygnet Infotech, HCL, Hewitt, Honeywell, HP, IBM, Infosys, Manhattan, Microsoft, Mobius, Percept, Satyam, SofTMware, TCS, Wipro, Yamaha,

---

struct aaa{ struct aaa *prev; int i; struct aaa *next; }; main() { struct aaa abc,def,ghi,jkl; int x=100; abc.i=0;abc.prev=&jkl; abc.next=&def; def.i=1;def.prev=&abc;def.next=&ghi; ghi.i=2;ghi.prev=&def; ghi.next=&jkl; jkl.i=3;jkl.prev=&ghi;jkl.next=&abc; x=abc.next->next->prev->next->i; printf("%d",x); }

1 Answers  

---

#include<stdio.h> main() { FILE *ptr; char i; ptr=fopen("zzz.c","r"); while((i=fgetch(ptr))!=EOF) printf("%c",i); }

1 Answers  

---

main() { char *cptr,c; void *vptr,v; c=10; v=0; cptr=&c; vptr=&v; printf("%c%v",c,v); }

1 Answers  

---

main() { int i = 100; clrscr(); printf("%d", sizeof(sizeof(i))); } a. 2 b. 100 c. 4 d. none of the above

5 Answers   HCL,

---

#include<conio.h> main() { int x,y=2,z,a; if(x=y%2) z=2; a=2; printf("%d %d ",z,x); }

1 Answers  

---

How to return multiple values from a function?

7 Answers  

---

int i=10; main() { extern int i; { int i=20; { const volatile unsigned i=30; printf("%d",i); } printf("%d",i); } printf("%d",i); }

1 Answers  

---

char *someFun() { char *temp = “string constant"; return temp; } int main() { puts(someFun()); }

1 Answers  

---

Write a program that find and print how many odd numbers in a binary tree

1 Answers  

---

main() { int i; printf("%d",scanf("%d",&i)); // value 10 is given as input here }

2 Answers   IBM,

---

find A^B using Recursive function

2 Answers  

---