Borderou de evaluare (job #485789)

Compilare: user.cpp: In function 'bool palindrom(char*)': user.cpp:17:44: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] user.cpp: In function 'int main()': user.cpp:30:34: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] user.cpp:32:25: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] user.cpp:42:34: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] user.cpp:44:26: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] user.cpp:55:32: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]