Compilare: user.cpp: In function ‘int bfs()’: user.cpp:28:40: warning: array subscript has type ‘char’ [-Wchar-subscripts] q[0].push({y0, x0, convert[dir_init]}); ^ user.cpp:29:34: warning: array subscript has type ‘char’ [-Wchar-subscripts] cost[y0][x0][convert[dir_init]] = 0; ^ user.cpp:42:68: warning: array subscript has type ‘char’ [-Wchar-subscripts] int future = (pres.dir - convert [mdir [pres.y][pres.x]] - timp%4 + 8)%4 + 1; //reprezinta, de fapt, formula ce zice perioada de asteptare la semafor ^