Compilare: main.cpp: In function 'long long unsigned int pop(long long unsigned int*)': main.cpp:21:1: warning: no return statement in function returning non-void [-Wreturn-type] } ^ main.cpp: In function 'int main()': main.cpp:64:30: warning: unused variable 'j' [-Wunused-variable] long long unsigned m,s,i,j,x,y, test[4]={5,2,3, 0}; ^ main.cpp:64:37: warning: unused variable 'test' [-Wunused-variable] long long unsigned m,s,i,j,x,y, test[4]={5,2,3, 0}; ^~~~