cezar.cpp: In function `void find_spaces()': cezar.cpp:15: warning: comparison between signed and unsigned integer expressions cezar.cpp: In function `void print()': cezar.cpp:27: warning: comparison between signed and unsigned integer expressions cezar.cpp: In function `int position_alph(int)': cezar.cpp:36: warning: control reaches end of non-void function cezar.cpp: In function `void decodify()': cezar.cpp:44: warning: comparison between signed and unsigned integer expressions cezar.cpp: In function `void read()': cezar.cpp:55: warning: comparison between signed and unsigned integer expressions