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- //Problem 1. Exchange value
- <!DOCTYPE html>
- <html>
- <head>
- <meta charset="UTF-8">
- <title></title>
- </head>
- <body>
- <form method="post" action="index.php">
- <input type="text" name="number1">
- <input type="text" name="number2">
- <input type="submit" value="exchange">
- </form>
- </body>
- </html>
- <?php
- $num1=$_POST['number1'];
- $num2=$_POST['number2'];
- if ($num1>$num2)
- {
- echo 'At start:'.'<t>'.'First number:'.$num1.'<br>'.'Second number:'.$num2.'<br><br>';
- $temp=$num1;
- $num1=$num2;
- $num2=$temp;
- echo 'At Last:'.'<t>'.'First number:'.$num1.'<br>'.'Second number:'.$num2;
- }
- else
- {
- echo 'Second number is greater or equal';
- }
- ?>
- //Problem 2. Show sign
- <!DOCTYPE html>
- <html>
- <head>
- <meta charset="UTF-8">
- <title></title>
- </head>
- <body>
- <form method="post" action="SignOfProductOf3numbers.php">
- <input type="text" name="number1">
- <input type="text" name="number2">
- <input type="text" name="number3">
- <input type="submit" value="Calc">
- </form>
- </body>
- </html>
- <?php
- $num1=$_POST['number1'];
- $num2=$_POST['number2'];
- $num3=$_POST['number3'];
- $numbers=array($num1,$num2,$num3);
- foreach ($numbers as $v){
- if ($v<0) {
- $negativeNumbers++;
- }
- }
- if ($negativeNumbers==1 || $negativeNumbers==3) {
- echo 'NEGATIVE';
- }
- else{
- echo 'POSITIVE';
- }
- ?>
- //Problem 3. Sort numbers
- <!DOCTYPE html>
- <html>
- <head>
- <meta charset="UTF-8">
- <title></title>
- </head>
- <body>
- <form method="post" action="SortNumbers.php">
- <input type="text" name="number1">
- <input type="text" name="number2">
- <input type="text" name="number3">
- <input type="submit" value="Calc">
- </form>
- </body>
- </html>
- <?php
- $num1=$_POST['number1'];
- $num2=$_POST['number2'];
- $num3=$_POST['number3'];
- if ($num1>$num2) {
- if ($num1>$num3) {
- if ($num2>$num3) {
- echo $num1.'<br>'.$num2.'<br>'.$num3;
- }
- else {
- echo $num1.'<br>'.$num3.'<br>'.$num2;
- }
- }
- else{
- echo $num3.'<br>'.$num1.'<br>'.$num2;
- }
- }
- else{
- if ($num2>$num3) {
- if ($num1>$num3) {
- echo $num2.'<br>'.$num1.'<br>'.$num3;
- }
- else{
- echo $num2.'<br>'.$num3.'<br>'.$num1;
- }
- }
- else{
- echo $num3.'<br>'.$num2.'<br>'.$num1;
- }
- }
- ?>
- //Problem 4. Point in a Circle
- <!DOCTYPE html>
- <html>
- <head>
- <meta charset="UTF-8">
- <title></title>
- </head>
- <body>
- <form method="post" action="PointInACircle.php">
- Radius:<input type="text" name="radius"><br>
- CoordX:<input type="text" name="CoordX"><br>
- CoordY:<input type="text" name="CoordY"><br>
- <input type="submit" value="Calc">
- </form>
- </body>
- </html>
- <?php
- $radius=$_POST['radius'];
- $CoordX=$_POST['CoordX'];
- $CoordY=$_POST['CoordY'];
- $distance=sqrt(pow($CoordX,2)+pow($CoordY,2));
- if ($distance <= $radius) {
- echo "Radius: $radius <br> X-Coord: $CoordX <br> Y-Coord: $CoordY<br>";
- echo 'The point is in the circle and the distance between the points is: '.$distance;
- }
- else{
- echo "Radius: $radius <br> X-Coord: $CoordX <br> Y-Coord: $CoordY<br>";
- echo 'The point is not in the circle';
- }
- ?>
- //Problem 5. Matrix of Numbers
- <!DOCTYPE html>
- <html>
- <head>
- <meta charset="UTF-8">
- <title></title>
- </head>
- <body>
- <form method="post" action="MatrixOfNumbers.php">
- Number "N": <input type="text" name="number"><br>
- <input type="submit" value="Calc">
- </form>
- </body>
- </html>
- <?php
- $number=$_POST['number'];
- for($i=1;$i<=$number;$i++){
- for($j=1;$j<=$number;$j++){
- echo ($j+$row).str_repeat('-', ($number/2));
- }
- $row++;
- echo '<br>';
- }
- ?>
- //Problem 6. Odd and Even Product
- <!DOCTYPE html>
- <html>
- <head>
- <meta charset="UTF-8">
- <title></title>
- </head>
- <body>
- <form method="post" action="OddAndEvenProduct.php">
- Number "N": <input type="text" name="numbers"><br>
- <input type="submit" value="Calc">
- </form>
- </body>
- </html>
- <?php
- $numbers=explode(" ",$_POST['numbers']);
- $evensProduct=1;
- $oddsProduct=1;
- foreach($numbers as $k=>$v){
- if ($k%2==0) {
- $oddsProduct*=$v;
- }
- else{
- $evensProduct*=$v;
- }
- }
- if ($evensProduct==$oddsProduct) {
- echo 'Yes Products are equal'.'<br>'.'Odds product is:'.$oddsProduct.'<br>'.'Evenes Product is:'.$evensProduct;
- }
- else{
- echo 'Products are Not equal'.'<br>'.'Odds product is:'.$oddsProduct.'<br>'.'Evens Product is:'.$evensProduct;
- }
- ?>
- //Problem 7. TOTO
- <<!DOCTYPE html>
- <html>
- <head>
- <meta charset="UTF-8">
- <title></title>
- </head>
- <body>
- <form method="post" action="TOTO.php">
- <input type="submit" value="Calc">
- </form>
- </body>
- </html>
- <?php
- for ($i1 = 1; $i1 <= 44; $i1++)
- {
- for ($i2 = $i1 + 1; $i2 <= 45; $i2++)
- {
- for ($i3 = $i2 + 1; $i3 <= 46; $i3++)
- {
- for ($i4 = $i3 + 1; $i4 <= 47; $i4++)
- {
- for ($i5 = $i4 + 1; $i5 <= 48; $i5++)
- {
- for ($i6 = $i5 + 1; $i6 <= 49; $i6++)
- {
- echo $i1." ".$i2." ".$i3." ".$i4." ".$i5." ".$i6.'<br>';
- }
- }
- }
- }
- }
- }
- //Problem 8. Print Prime Numbers
- <!DOCTYPE html>
- <html>
- <head>
- <meta charset="UTF-8">
- <title></title>
- </head>
- <body>
- <form method="post" action="PrintPrimeNumbers.php">
- Number "N": <input type="text" name="number"><br>
- <input type="submit" value="Calc">
- </form>
- </body>
- </html>
- <?php
- function IfNumberIsPrime($number){
- $notPrime=0;
- $isPrime=0;
- for($i=2;$i<=$number;$i++){
- if (is_int($number/$i)){
- $notPrime++;
- }
- elseif(!(is_int($number/$i))){
- $isPrime++;
- }
- }
- if (($notPrime!=0) && ($isPrime==($number-2))){
- echo $number." isPrime".'<br>';
- }
- return;
- }
- $inputNumbers = (int)$_POST['number'];
- $count=2;
- while($count<=$inputNumbers){
- IfNumberIsPrime($count);
- $count++;
- }
- ?>
- //Problem 9. Extract words
- <!DOCTYPE html>
- <html>
- <head>
- <meta charset="UTF-8">
- <title></title>
- </head>
- <body>
- <form method="post" action="ExtractWords.php">
- Number "N": <input type="text" name="number"><br>
- <input type="submit" value="Calc">
- </form>
- </body>
- </html>
- <?php
- function ArrDeleteRepeated($array){
- $result=array_unique($array);
- return $result;
- }
- $myArr=array('Nakov', 'Svetlin', 'Nakov', 'Pesho','Mario', 'Dimityr', 'Georgi', 'Mario');
- $newArray=ArrDeleteRepeated($myArr);
- foreach($newArray as $v){
- echo $v.'<br>';
- }
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