Answer / tsigereda

#include<dos.h>
#include<iostream.h>
#include<graphics.h>
#include<math.h>
#include<conio.h>
void *ball;
void image()
{
//ball
//setcolor(RED);
setfillstyle(SOLID_FILL,RED);
fillellipse(10,10,10,10);
//ball=malloc(imagesize(0,0,50,50));
//getimage(0,0,50,50,ball);
cleardevice();
}
void main()
{

int d=DETECT,m;
initgraph(&d,&m,"C:\\tc\\bgi");
float x=1,y=0.00000,j=.5,count=.1;
float r=15;
int l=getmaxx()/2,t=0;

image();
setbkcolor(GREEN);

setcolor(30);
line(0,450,650,450);
sleep(1);
for(int k=0;k<=7;k++)
{

for(float i=90;i<270;i+=10)
{
y=cos(((i*22/7)/180))/j;

if(y>0)
y=-y;
x+=5;

setcolor(14);
setfillstyle(1,14);
circle(x,y*200+400,r);
floodfill(x,y*200+400,14);


delay(100);

setcolor(0);
setfillstyle(1,0);
circle(x,y*200+400,r);
floodfill(x,y*200+400,0);

}

j+=count;
count+=.1;
}
getch();
}

Answer / tsigereda

which is animate downward gravitational force.

#define DIM( array, type) sizeof(array)/sizeof(type) main() { int arr[10]; printf(“The dimension of the array is %d”, DIM(arr, int)); }

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

3 Answers  

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main( ) { int a[2][3][2] = {{{2,4},{7,8},{3,4}},{{2,2},{2,3},{3,4}}}; printf(“%u %u %u %d \n”,a,*a,**a,***a); printf(“%u %u %u %d \n”,a+1,*a+1,**a+1,***a+1); }

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how to swap 3 nos without using temporary variable

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program to find magic aquare using array

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void main() { int x,y=2,z; z=(z*=2)+(x=y=z); printf("%d",z); }

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Write a C program to print look and say sequence? For example if u get the input as 1 then the sequence is 11 21 1211 111221 312211 12112221 .......(it counts the no. of 1s,2s etc which is in successive order) and this sequence is used in run-length encoding.

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How to read a directory in a C program?

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

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union u { struct st { int i : 4; int j : 4; int k : 4; int l; }st; int i; }u; main() { u.i = 100; printf("%d, %d, %d",u.i, u.st.i, u.st.l); } a. 4, 4, 0 b. 0, 0, 0 c. 100, 4, 0 d. 40, 4, 0

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

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main() { int *ptr=(int*)malloc(sizeof(int)); *ptr=4; printf("%d",(*ptr)+++*ptr++); }

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