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Lua is a lightweight, high-level programming language designed for embedded use in applications.
C++ is a general-purpose programming language created by Bjarne Stroustrup as an extension of the C programming language, or "C with Classes".
function isPalindrome(str)
local clean = string.lower(string.gsub(str, "[^%w]", ""))
return clean == string.reverse(clean)
end
-- Example usage
print(isPalindrome("A man, a plan, a canal: Panama")) -- true
print(isPalindrome("race a car")) -- false
#include <iostream>
#include <string>
#include <algorithm>
using namespace std;
bool isPalindrome(string str) {
string clean;
// Keep alphanumeric chars and convert to lowercase
for(char c : str) {
if(isalnum(c)) {
clean += tolower(c);
}
}
string reversed = clean;
reverse(reversed.begin(), reversed.end());
return clean == reversed;
}
int main() {
cout << boolalpha;
cout << isPalindrome("A man, a plan, a canal: Panama") << endl; // true
cout << isPalindrome("race a car") << endl; // false
return 0;
}
function bubbleSort(arr)
local n = #arr
for i = 1, n do
for j = 1, n - i do
if arr[j] > arr[j + 1] then
arr[j], arr[j + 1] = arr[j + 1], arr[j]
end
end
end
return arr
end
local arr = {64, 34, 25, 12, 22, 11, 90}
local sorted = bubbleSort(arr)
print(table.concat(sorted, " "))
#include <iostream>
#include <vector>
using namespace std;
void bubbleSort(vector<int>& arr) {
int n = arr.size();
for(int i = 0; i < n; i++) {
for(int j = 0; j < n - i - 1; j++) {
if(arr[j] > arr[j + 1]) {
swap(arr[j], arr[j + 1]);
}
}
}
}
int main() {
vector<int> arr = {64, 34, 25, 12, 22, 11, 90};
bubbleSort(arr);
for(int num : arr) {
cout << num << " ";
}
return 0;
}
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