cezar.cpp: In function `int main()': cezar.cpp:35: warning: comparison between signed and unsigned integer expressions cezar.cpp:45: warning: comparison between signed and unsigned integer expressions cezar.cpp:49: warning: comparison between signed and unsigned integer expressions cezar.cpp:88: warning: comparison between signed and unsigned integer expressions cezar.cpp:110: warning: assignment to non-pointer type `char' from NULL cezar.cpp:110: warning: argument to non-pointer type `char' from NULL cezar.cpp:113: warning: comparison between signed and unsigned integer expressions cezar.cpp:118: warning: assignment to non-pointer type `char' from NULL cezar.cpp:118: warning: argument to non-pointer type `char' from NULL cezar.cpp:127: warning: comparison between signed and unsigned integer expressions cezar.cpp:130: warning: comparison between signed and unsigned integer expressions cezar.cpp:17: warning: unused variable `int contor'