Cognizant Nexus

Saturday, March 2, 2013

Traffic System using GRAPHICS in C

//Traffic System
#include<stdio.h>
#include<conio.h>
#include<graphics.h>
#include<dos.h>

void traf(int,int,int);
void car(int);

void main()
{
int gd=DETECT,gm,i;
initgraph(&gd,&gm,"c:\\tc\\bgi");
for(i=0;i<650;i++)
{
if(i!=150)
{
traf(0,0,2);
setcolor(6);
car(i);
delay(15);
cleardevice();
}
else
{
traf(4,0,0);
setcolor(6);
car(i);
delay(3500);
traf(0,0,2);
}
}
getch();
}

void traf(int r,int y,int g)
{
cleardevice();
setcolor(6);
rectangle(490,50,530,110);
setfillstyle(1,r);
fillellipse(510,60,10,10);
setfillstyle(1,y);
fillellipse(510,80,10,10);
setfillstyle(1,g);
fillellipse(510,100,10,10);
setcolor(4);
line(505,110,505,200);
line(515,110,515,200);
setcolor(15);
line(0,200,getmaxx(),200);
line(0,416,getmaxx(),416);
}

void car(int i)
{
ellipse(125+i,320,0,180,50,25);
line(41+i,320,75+i,320);
line(175+i,320,208+i,320);
arc(75+i,328,165,216,36);
line(45+i,350,205+i,350);
arc(175+i,328,320,373,36);
circle(80+i,360,10);
circle(160+i,360,10);
}

Monday, February 11, 2013

JavaScript program to display todays date

<html>
<head>
<script>
function displayDate()
{
document.getElementById("demo").innerHTML=Date();
}
</script>
</head>
<body>

<h1>JavaScript to display date</h1>
<p id="demo">This is a paragraph.</p>

<button type="button" onclick="displayDate()">Display Date</button>

</body>
</html>

jsp to display todays day of the week

<html>
<body>

<p id="demo">Click the button to display todays day of the week.</p>

<button onclick="myFunction()">Try it</button>

<script>
function myFunction()
{
var d = new Date();
var weekday=new Array(7);
weekday[0]="Today is Sunday";
weekday[1]="Today is Monday";
weekday[2]="Today is Tuesday";
weekday[3]="Today is Wednesday";
weekday[4]="Today is Thursday";
weekday[5]="Today is Friday";
weekday[6]="Today is Saturday";

var x = document.getElementById("demo");
x.innerHTML=weekday[d.getDay()];
}
</script>

</body>
</html>

Sunday, February 10, 2013

jsp program to display clock

<!jsp program to display clock!>
<!DOCTYPE html>
<html>
<head>
<script>
function startTime()
{
var today=new Date();
var h=today.getHours();
var m=today.getMinutes();
var s=today.getSeconds();
// add a zero in front of numbers<10
m=checkTime(m);
s=checkTime(s);
document.getElementById('txt').innerHTML=h+":"+m+":"+s;
t=setTimeout(function(){startTime()},500);
}

function checkTime(i)
{
if (i<10)
{
i="0" + i;
}
return i;
}
</script>
</head>

<body onload="startTime()">
<div id="txt"></div>
</body>
</html>

Thursday, January 31, 2013

Data Structures and Algorithms Question Paper Kerala University

Kerala University Btech Question Papers Information Technology Fourth Semester

Wednesday, January 30, 2013

Code for Program to rotate about reference point in C++ Programming

Code for Program to rotate about reference point in C++ Programming

# include <iostream.h>

# include <conio.h>

# include <graphics.h>

# include <math.h>

char IncFlag;

int PolygonPoints[4][2] =

{{10,100},{110,100},{110,200},{10,200}};

int RefX = 10;

int RefY = 100;

void PolyLine()

{

int iCnt;

cleardevice();

line(0,240,640,240);

line(320,0,320,480);

for (iCnt=0; iCnt<4; iCnt++)

{

line(PolygonPoints[iCnt][0],PolygonPoints[iCnt][1],

PolygonPoints[(iCnt+1)%4][0],PolygonPoints[(iCnt+1)%4][1]);

}

void Translate(int Direction)

{

int iCnt;

for (iCnt=0; iCnt<4; iCnt++)

{

PolygonPoints[iCnt][0] += Direction*RefX;

PolygonPoints[iCnt][1] -= Direction*RefY;

}

void Rotate()

{

float Angle;

int iCnt;

int Tx,Ty;

Translate(-1);

cout<<endl;

Angle = 30.0*(22.0/7.0)/180.0;

for (iCnt=0; iCnt<4; iCnt++)

{

Tx = PolygonPoints[iCnt][0];

Ty = PolygonPoints[iCnt][1];

PolygonPoints[iCnt][0] = (Tx - 320)*cos(Angle) -

(Ty - 240)*sin(Angle) + 320;

PolygonPoints[iCnt][1] = (Tx - 320)*sin(Angle) +

(Ty - 240)*cos(Angle) + 240;

}

Translate(1);

}

void main()

{

int gDriver = DETECT, gMode;

int iCnt;

initgraph(&gDriver, &gMode, "C:\\TC\\BGI");

for (iCnt=0; iCnt<4; iCnt++)

{

PolygonPoints[iCnt][0] += 320;

PolygonPoints[iCnt][1] = 240 - PolygonPoints[iCnt][1];

}

PolyLine();

getch();

Rotate();

PolyLine();

getch();