/in/cipher.cpp: In function 'std::__cxx11::string decryptLine(std::__cxx11::string)':
/in/cipher.cpp:112:23: error: comparison between signed and unsigned integer expressions [-Werror=sign-compare]
     for (int i = 0; i < line.length(); i++) {
                     ~~^~~~~~~~~~~~~~~
/in/cipher.cpp:121:23: error: comparison between signed and unsigned integer expressions [-Werror=sign-compare]
     for (int n = 0; n < formattedLine.length() / 3; n++) {
                     ~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~
cc1plus: all warnings being treated as errors
/in/compile/Makefile:23: recipe for target 'cipher.o' failed
make: *** [cipher.o] Error 1