Compilare: user.cpp: In function ‘void parametru_4()’: user.cpp:24:11: warning: unused variable ‘j’ [-Wunused-variable] int i,j; ^ user.cpp: In function ‘int main()’: user.cpp:86:31: warning: unused variable ‘j’ [-Wunused-variable] int i,T,consum=0,sf=0,k=0,j,max=0,suma; ^ user.cpp:86:39: warning: unused variable ‘suma’ [-Wunused-variable] int i,T,consum=0,sf=0,k=0,j,max=0,suma; ^ user.cpp: In function ‘int putere(int, int)’: user.cpp:21:1: warning: control reaches end of non-void function [-Wreturn-type] } ^ user.cpp: In function ‘bool cmp(hey, hey)’: user.cpp:72:1: warning: control reaches end of non-void function [-Wreturn-type] } ^