Borderou de evaluare (job #88438)

Compilare: user.cpp: In function ‘int main()’: user.cpp:13:7: warning: suggest explicit braces to avoid ambiguous ‘else’ [-Wparentheses] user.cpp:7:35: warning: variable ‘k’ set but not used [-Wunused-but-set-variable] user.cpp:7:39: warning: variable ‘k2’ set but not used [-Wunused-but-set-variable] user.cpp:7:44: warning: variable ‘z’ set but not used [-Wunused-but-set-variable] user.cpp:7:46: warning: variable ‘m’ set but not used [-Wunused-but-set-variable]