Compilare: main.cpp: In function 'int main()': main.cpp:75:38: warning: array subscript has type 'char' [-Wchar-subscripts] 75 | biggest_pow2 = pow2[vbiggest_pow2[n]]; | ~~~~~~~~~~~~~~~^ main.cpp:76:38: warning: array subscript has type 'char' [-Wchar-subscripts] 76 | biggest_pow3 = pow3[vbiggest_pow3[n]]; | ~~~~~~~~~~~~~~~^ main.cpp:43:28: warning: unused variable 'np2' [-Wunused-variable] 43 | int t, i, n, nmax, pozvq, np2, np3, biggest_pow2, biggest_pow3, solcur; | ^~~ main.cpp:43:33: warning: unused variable 'np3' [-Wunused-variable] 43 | int t, i, n, nmax, pozvq, np2, np3, biggest_pow2, biggest_pow3, solcur; | ^~~