Compilare: user.cpp: In function ‘void Read()’: user.cpp:14:9: warning: unused variable ‘i’ [-Wunused-variable] int i,val,m,poz; ^ user.cpp: In function ‘int main()’: user.cpp:102:9: warning: unused variable ‘i’ [-Wunused-variable] int i; ^ user.cpp: In function ‘int Solve()’: user.cpp:84:1: warning: control reaches end of non-void function [-Wreturn-type] } ^