Sum all integers provided on the command line.

cpsc120_sum.cc

// Gist https://gist.github.com/83a91cafc678eaf64db6f3ac7d6e5438

#include <iostream>
#include <string>
#include <vector>

int main(int argc, char const *argv[]) {
  std::vector<std::string> arguments =
      std::vector<std::string>{argv, argv + argc};
  int sum{0};
  for (int i = 1; i < arguments.size(); i++) {
    sum += stoi(arguments.at(i));
  }
  std::cout << sum << "\n";
  return 0;
}