Compilare: user.cpp: In function ‘int perlaB(int)’: user.cpp:39:7: warning: suggest explicit braces to avoid ambiguous ‘else’ [-Wparentheses] if(x<l) ^ user.cpp: In function ‘int perlaC(int)’: user.cpp:47:7: warning: suggest explicit braces to avoid ambiguous ‘else’ [-Wparentheses] if(x<l) ^ user.cpp:52:1: warning: control reaches end of non-void function [-Wreturn-type] } ^