Compilare: main.cpp: In function 'int solve(long long int)': main.cpp:33:33: warning: unused variable 'nr' [-Wunused-variable] long long int st=2,dr=k,nr,rasp=0; ^~ main.cpp:33:36: warning: unused variable 'rasp' [-Wunused-variable] long long int st=2,dr=k,nr,rasp=0; ^~~~ main.cpp: In function 'int cb(int)': main.cpp:24:12: warning: 'rasp' may be used uninitialized in this function [-Wmaybe-uninitialized] return rasp; ^~~~ main.cpp: In function 'int solve(long long int)': main.cpp:59:18: warning: 'rasp' may be used uninitialized in this function [-Wmaybe-uninitialized] sol+=cb(k); ^ main.cpp:29:14: warning: 'rasp' may be used uninitialized in this function [-Wmaybe-uninitialized] sol+=cb(k); ^