Compilare: user.cpp: In function ‘int findMinimumPath(char (*)[1005], int, int, qPosition, qPosition, char)’: user.cpp:96:47: warning: array subscript has type ‘char’ [-Wchar-subscripts] visited[start.lin][start.col][start.direction] = 0; ^ user.cpp:110:67: warning: array subscript has type ‘char’ [-Wchar-subscripts] (visited[pos.lin + offsx[j]][pos.col + offsy[j]][directions[j]] == -1 || ^ user.cpp:111:67: warning: array subscript has type ‘char’ [-Wchar-subscripts] visited[pos.lin + offsx[j]][pos.col + offsy[j]][directions[j]] > offset + pos.time + 1) && ^ user.cpp:115:66: warning: array subscript has type ‘char’ [-Wchar-subscripts] visited[pos.lin + offsx[j]][pos.col + offsy[j]][directions[j]] = offset + pos.time + 1; ^ user.cpp:97:6: warning: unused variable ‘minCost’ [-Wunused-variable] int minCost = 0; ^