Reference Alias Update

#include <iostream>
#include <cstdint>

int main() {
    int32_t a, b;
    std::cin >> a >> b;

    // Write your code here
    int32_t c = a + b;
    int32_t *ptrA = &a;

    *ptrA = c;

    std::cout << a;
    return 0;
}

Solving Approach