Borderou de evaluare (job #374106)

Compilare: user.cpp: In function ‘int pal_chr(char*)’: user.cpp:10:29: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] user.cpp: In function ‘int perm_dr(char*)’: user.cpp:32:31: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] user.cpp: In function ‘int main()’: user.cpp:69:9: warning: unused variable ‘i’ [-Wunused-variable] user.cpp:69:11: warning: unused variable ‘j’ [-Wunused-variable] user.cpp:69:13: warning: unused variable ‘len’ [-Wunused-variable] user.cpp:69:17: warning: unused variable ‘perm’ [-Wunused-variable] user.cpp:69:24: warning: unused variable ‘m1’ [-Wunused-variable] user.cpp:69:27: warning: unused variable ‘ok’ [-Wunused-variable] user.cpp:70:25: warning: unused variable ‘x’ [-Wunused-variable]