In file included from main.cpp:4:
solution.cpp: In member function 'long long int NumReverseEasy::getsum(int, int)':
solution.cpp:9:9: error: expected ',' or ';' before 'for'
    9 |         for (int n = A; n <= B; n++) {
      |         ^~~
solution.cpp:9:25: error: 'n' was not declared in this scope; did you mean 'yn'?
    9 |         for (int n = A; n <= B; n++) {
      |                         ^
      |                         yn

#include <string>
#include <algorithm>
using namespace std;

class NumReverseEasy {
public:
    long long getsum(int A, int B) {
        long long total = 0
        for (int n = A; n <= B; n++) {
            string s = to_string(n);
            reverse(s.begin(), s.end());
            total += max((long long)n, (long long)stoll(s));
        }
        return total;
    }
};