BOJ 3486 - Adding Reversed Numbers [C++]

문제

링크

풀이

#include <iostream>
#include <string>
using namespace std;
 
inline string rev(const string &s) {
  string t = "";
  for (int i=s.length()-1; i>=0; i--) t += s[i];
  return t;
}
 
void solve(void) {
  string a, b; cin >> a >> b;
 
  cout << stoi(rev(to_string(stoi(rev(a)) + stoi(rev(b))))) << "\n";
}
 
int main(void) {
  ios::sync_with_stdio(false);
  cin.tie(nullptr);
 
  int n; cin >> n;
  while (n--) solve();
  return 0;
}