Backpacking

#include <string>
#include <iostream>

int main(int argc, char **argv)
{
    int a = std::stoi(argv[1]);
    int b = std::stoi(argv[2]);

    std::cout << a + b << "\n";

    return a + b;
}

Test 1

Verdict: RUNTIME ERROR

terminate called after throwing an instance of 'std::logic_error'
  what():  basic_string:...

Test 2

Verdict: RUNTIME ERROR

terminate called after throwing an instance of 'std::logic_error'
  what():  basic_string:...

Test 3

Verdict: RUNTIME ERROR

terminate called after throwing an instance of 'std::logic_error'
  what():  basic_string:...

Test 4

Verdict: RUNTIME ERROR

terminate called after throwing an instance of 'std::logic_error'
  what():  basic_string:...