Record Case Detail - VE280 SU2019 (Weikang and Paul) - JOJ

This function is in beta test. Please help improve it in the issues here.

terminate called after throwing an instance of 'std::invalid_argument'
  what():  stoi

Your answer may be identical to the JOJ answer in the first several lines.

However, the main problem you meet now is Runtime Error. And the exit code of your program is -6, which should be 0.

Please double check your code to solve this problem and try again.

Please enter the integer and the test number: Please enter the integer and the test number:

Please enter the integer and the test number: 0