cuvant.cpp: In function 'void Next(std::string&)': cuvant.cpp:17: warning: comparison between signed and unsigned integer expressions cuvant.cpp: In function 'bool Verify(std::string, std::string)': cuvant.cpp:32: warning: comparison between signed and unsigned integer expressions cuvant.cpp:34: warning: comparison between signed and unsigned integer expressions cuvant.cpp: In function 'int main()': cuvant.cpp:51: warning: comparison between signed and unsigned integer expressions cuvant.cpp:57: warning: comparison between signed and unsigned integer expressions cuvant.cpp:62: warning: comparison between signed and unsigned integer expressions cuvant.cpp:64: warning: comparison between signed and unsigned integer expressions cuvant.cpp:72: warning: comparison between signed and unsigned integer expressions cuvant.cpp:81: warning: comparison between signed and unsigned integer expressions