Compilare: main.cpp: In function 'void setup()': main.cpp:30:11: warning: unused variable 'j' [-Wunused-variable] int i,j; ^ main.cpp: In function 'long long int cautarebin(long long int, long long int, long long int)': main.cpp:25:12: warning: 'sol' may be used uninitialized in this function [-Wmaybe-uninitialized] return sol; ^~~ main.cpp: In function 'void intreb()': main.cpp:61:10: warning: 'sol' may be used uninitialized in this function [-Wmaybe-uninitialized] k=cautarebin(1,n1,itr ); ~^~~~~~~~~~~~~~~~~~~~~~