Compilare: main.cpp: In function 'void lee()': main.cpp:40:23: warning: array subscript has type 'char' [-Wchar-subscripts] 40 | if (v[l][c]==-1 || v[l][c]>v[x][y]+1){ | ^ main.cpp:40:26: warning: array subscript has type 'char' [-Wchar-subscripts] 40 | if (v[l][c]==-1 || v[l][c]>v[x][y]+1){ | ^ main.cpp:40:38: warning: array subscript has type 'char' [-Wchar-subscripts] 40 | if (v[l][c]==-1 || v[l][c]>v[x][y]+1){ | ^ main.cpp:40:41: warning: array subscript has type 'char' [-Wchar-subscripts] 40 | if (v[l][c]==-1 || v[l][c]>v[x][y]+1){ | ^ main.cpp:41:23: warning: array subscript has type 'char' [-Wchar-subscripts] 41 | v[l][c]=v[x][y]+1; | ^ main.cpp:41:26: warning: array subscript has type 'char' [-Wchar-subscripts] 41 | v[l][c]=v[x][y]+1; | ^ main.cpp: In function 'int main()': main.cpp:62:19: warning: array subscript has type 'char' [-Wchar-subscripts] 62 | v[i][j]=-2; | ^ main.cpp:62:22: warning: array subscript has type 'char' [-Wchar-subscripts] 62 | v[i][j]=-2; | ^ main.cpp:65:19: warning: array subscript has type 'char' [-Wchar-subscripts] 65 | v[i][j]=-1; | ^ main.cpp:65:22: warning: array subscript has type 'char' [-Wchar-subscripts] 65 | v[i][j]=-1; | ^