Compilare: main.cpp: In function 'int main()': main.cpp:72:27: warning: array subscript has type 'char' [-Wchar-subscripts] 72 | if (cost[num[i]][j] != inf) | ~~~~~^ main.cpp:87:31: warning: array subscript has type 'char' [-Wchar-subscripts] 87 | if (cost[num[i]][cif] != inf && cost[num[lg-i+1]][cif] != inf) | ~~~~~^ main.cpp:87:64: warning: array subscript has type 'char' [-Wchar-subscripts] 87 | if (cost[num[i]][cif] != inf && cost[num[lg-i+1]][cif] != inf) | ~~~~~~~~~~^ main.cpp:89:41: warning: array subscript has type 'char' [-Wchar-subscripts] 89 | costcif = cost[num[i]][cif] + cost[num[lg-i+1]][cif]; | ~~~~~^ main.cpp:89:66: warning: array subscript has type 'char' [-Wchar-subscripts] 89 | costcif = cost[num[i]][cif] + cost[num[lg-i+1]][cif]; | ~~~~~~~~~~^ main.cpp:55:22: warning: unused variable 'ii' [-Wunused-variable] 55 | int k, lg, i, j, ii, cif, rcif, costcif; | ^~