Compilare: main.cpp: In function 'int main()': main.cpp:71:27: warning: array subscript has type 'char' [-Wchar-subscripts] 71 | if (cost[num[i]][j] != inf) | ~~~~~^ main.cpp:86:31: warning: array subscript has type 'char' [-Wchar-subscripts] 86 | if (cost[num[i]][cif] != inf && cost[num[lg-i+1]][cif] != inf) | ~~~~~^ main.cpp:86:64: warning: array subscript has type 'char' [-Wchar-subscripts] 86 | if (cost[num[i]][cif] != inf && cost[num[lg-i+1]][cif] != inf) | ~~~~~~~~~~^ main.cpp:88:41: warning: array subscript has type 'char' [-Wchar-subscripts] 88 | costcif = cost[num[i]][cif] + cost[num[lg-i+1]][cif]; | ~~~~~^ main.cpp:88:66: warning: array subscript has type 'char' [-Wchar-subscripts] 88 | costcif = cost[num[i]][cif] + cost[num[lg-i+1]][cif]; | ~~~~~~~~~~^ main.cpp:54:22: warning: unused variable 'ii' [-Wunused-variable] 54 | int k, lg, i, j, ii, cif, rcif, costcif; | ^~