Compilare: user.cpp: In function ‘void bfs(std::vector<std::vector<_Tp> >&, int, int)’: user.cpp:70:60: warning: array subscript has type ‘char’ [-Wchar-subscripts] oras[newx][newy] = oras[x][y] + cost[directie[x][y]][directie[newx][newy]];// ^ user.cpp:70:82: warning: array subscript has type ‘char’ [-Wchar-subscripts] oras[newx][newy] = oras[x][y] + cost[directie[x][y]][directie[newx][newy]];// ^ user.cpp:76:63: warning: array subscript has type ‘char’ [-Wchar-subscripts] if (oras[newx][newy] > oras[x][y] + cost[directie[x][y]][directii[i]])// ^ user.cpp:79:60: warning: array subscript has type ‘char’ [-Wchar-subscripts] oras[newx][newy] = oras[x][y] + cost[directie[x][y]][directie[newx][newy]];// ^ user.cpp:79:82: warning: array subscript has type ‘char’ [-Wchar-subscripts] oras[newx][newy] = oras[x][y] + cost[directie[x][y]][directie[newx][newy]];// ^ user.cpp: In instantiation of ‘void bfs(std::vector<std::vector<_Tp> >&, int, int) [with T = short int]’: user.cpp:128:26: required from here user.cpp:70:39: warning: array subscript has type ‘char’ [-Wchar-subscripts] oras[newx][newy] = oras[x][y] + cost[directie[x][y]][directie[newx][newy]];// ^ user.cpp:70:39: warning: array subscript has type ‘char’ [-Wchar-subscripts] user.cpp:76:42: warning: array subscript has type ‘char’ [-Wchar-subscripts] if (oras[newx][newy] > oras[x][y] + cost[directie[x][y]][directii[i]])// ^ user.cpp:79:39: warning: array subscript has type ‘char’ [-Wchar-subscripts] oras[newx][newy] = oras[x][y] + cost[directie[x][y]][directie[newx][newy]];// ^ user.cpp:79:39: warning: array subscript has type ‘char’ [-Wchar-subscripts]