Compilare: main.cpp: In function 'int prog(long int, loc*)': main.cpp:35:19: warning: variable 'a' set but not used [-Wunused-but-set-variable] long long int a,b,i=1; ^ main.cpp:35:21: warning: unused variable 'b' [-Wunused-variable] long long int a,b,i=1; ^ main.cpp:36:9: warning: unused variable 'dr' [-Wunused-variable] int dr=0; ^~ main.cpp:43:1: warning: no return statement in function returning non-void [-Wreturn-type] } ^