Compilare: main.cpp: In function 'int subsir(int)': main.cpp:22:11: warning: unused variable 'j' [-Wunused-variable] int i,j,k=-1,len=1,poz; ^ main.cpp: In function 'int cb(int, int, int)': main.cpp:18:12: warning: 'elem' may be used uninitialized in this function [-Wmaybe-uninitialized] return elem; ^~~~ main.cpp: In function 'int subsir(int)': main.cpp:32:18: warning: 'elem' may be used uninitialized in this function [-Wmaybe-uninitialized] dp[i]=poz; ~~~~~^~~~