Write a PHP program to compute and print sum of two given integers (more than or equal to zero
- برمجة بي اتش بي
- 2021-09-08
- mhanasmh00489829403
Write a PHP program to compute and print sum of two given integers (more than or equal to zero). If given integers or the sum have more than 80 digits, print "overflow".
Pictorial Presentation:
الأجوبة
80) {
echo "overflow\n";
continue;
}
$arr = array_fill(0, 81, 0);
$a = sprintf('%081s', $a);
$b = sprintf('%081s', $b);
for ($j = 80; $j > 0; $j--) {
$n = $arr[$j] + $a[$j] + $b[$j];
if ($n >= 10) {
$arr[$j] = substr($n, 1);
$arr[$j - 1] += 1;
} else {
$arr[$j] = $n;
}
}
$result = preg_replace('/^0+(\d+)$/', '$1', implode('', $arr));
if (strlen($result) > 80) {
echo "overflow\n";
} else {
echo $result, PHP_EOL;
}
}
?>Sample Output:
46 overflow overflow overflow overflow ... overflow overflow overflow
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