Submission #1232098

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Source Code Expand

#include <iostream>

using namespace std;

int main() {
  string s[3];
  cin >> s[0] >> s[1] >> s[2];
  int t = 0;
  while (true) {
    if (s[t].size() == 0) {
      cout << static_cast<char>(t + 'A') << endl;
      return 0;
    }
    int n = s[t][0] - 'a';
    s[t] = s[t].substr(1, s[t].size() - 1);
    t = n;
  }
}

Submission Info

Judge Result