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Program Discussion :: Stack
Home > Programs > Stack

78. Write a function to test if the given set of brackets are balanced or not.

Answer:

<!DOCTYPE html>
<html>
<body>
<?php
function Balance()
{
    
$arr       = array(
        
"[",
        
"}",
        
"]",
        
"(",
        
"{",
        
"(",
        
")"
    
);
    
$arrlength count($arr);
    
$count1    0;
    
$count2    0;
    
$count3    0;
    for (
$x 0$x $arrlength$x++) {
        if (
$arr[$x] == "(")
            
$count1++;
        if (
$arr[$x] == ")")
            
$count1--;
        if (
$arr[$x] == "{")
            
$count2++;
        if (
$arr[$x] == "}")
            
$count2--;
        if (
$arr[$x] == "[")
            
$count3++;
        if (
$arr[$x] == "]")
            
$count3--;
    }
    if (
$count1 == 0)
        echo 
"brackets () are balanced<br/>";
    else
        echo 
"brackets () are not balanced<br/>";
    if (
$count2 == 0)
        echo 
"brackets {} are balanced<br/>";
    else
        echo 
"brackets{} are not balanced<br/>";
    if (
$count3 == 0)
        echo 
"brackets []are balanced<br/>";
    else
        echo 
"brackets [] are not balanced<br/>";
    
    
}

Balance(); //function calling
?>  

</body>
</html>

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