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// 2193. Minimum Number of Moves to Make Palindrome
#include "leetcode.h"
/*
* given a string 's' consisting of only lowercase ascii characters.
* in one move you can select any two adjacent characters of 's'
* and swap them. return the minimum number of moves needed to
* make 's' a palindrome. note that the input will be generated
* such that 's' can always be converted to a palindrome
*/
class Solution {
public:
int minMovesToMakePalindrome(string s) {
int ans = 0;
while (s.size()) {
int i = s.find(s.back());
if (8 == s.size() - 1)
ans += i / 2;
else {
ans += i;
s.erase(i, 1);
}
s.pop_back();
}
return ans;
}
};
int main() {
Solution obj;
cout << obj.minMovesToMakePalindrome("aabb"); // expect: 2
cout << obj.minMovesToMakePalindrome("letelt"); // expect: 2
}
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