Compilare: main.cpp: In function 'int main()': main.cpp:54:32: warning: array subscript has type 'char' [-Wchar-subscripts] 54 | if (isch[M[i][j]]) | ~~~~~~^ main.cpp:64:57: warning: array subscript has type 'char' [-Wchar-subscripts] 64 | if (M[i-1][j]!=M[i+1][j] && cul[M[i-1][j]]==cul[M[i+1][j]]) | ~~~~~~~~^ main.cpp:64:73: warning: array subscript has type 'char' [-Wchar-subscripts] 64 | if (M[i-1][j]!=M[i+1][j] && cul[M[i-1][j]]==cul[M[i+1][j]]) | ~~~~~~~~^ main.cpp:66:36: warning: array subscript has type 'char' [-Wchar-subscripts] 66 | arie=v[M[i-1][j]]+v[M[i+1][j]]+1; | ~~~~~~~~^ main.cpp:66:49: warning: array subscript has type 'char' [-Wchar-subscripts] 66 | arie=v[M[i-1][j]]+v[M[i+1][j]]+1; | ~~~~~~~~^ main.cpp:72:42: warning: array subscript has type 'char' [-Wchar-subscripts] 72 | culf=cul[M[i+1][j]]; | ~~~~~~~~^ main.cpp:75:57: warning: array subscript has type 'char' [-Wchar-subscripts] 75 | if (M[i][j-1]!=M[i][j+1] && cul[M[i][j-1]]==cul[M[i][j+1]]) | ~~~~~~~~^ main.cpp:75:73: warning: array subscript has type 'char' [-Wchar-subscripts] 75 | if (M[i][j-1]!=M[i][j+1] && cul[M[i][j-1]]==cul[M[i][j+1]]) | ~~~~~~~~^ main.cpp:77:36: warning: array subscript has type 'char' [-Wchar-subscripts] 77 | arie=v[M[i][j-1]]+v[M[i][j+1]]+1; | ~~~~~~~~^ main.cpp:77:49: warning: array subscript has type 'char' [-Wchar-subscripts] 77 | arie=v[M[i][j-1]]+v[M[i][j+1]]+1; | ~~~~~~~~^ main.cpp:83:42: warning: array subscript has type 'char' [-Wchar-subscripts] 83 | culf=cul[M[i][j+1]]; | ~~~~~~~~^