Compilare: user.cpp: In function ‘int cautbin()’: user.cpp:22:15: warning: overflow in implicit constant conversion [-Woverflow] int l=1,r=5000000000,sol,mid; ^ user.cpp: In function ‘int main()’: user.cpp:37:6: warning: unused variable ‘i’ [-Wunused-variable] {int i; ^ user.cpp: In function ‘int cautbin()’: user.cpp:34:12: warning: ‘sol’ may be used uninitialized in this function [-Wmaybe-uninitialized] return sol; ^