Compilare: main.cpp: In function 'int main()': main.cpp:25:16: warning: array subscript has type 'char' [-Wchar-subscripts] d[i][j]=A(); ^ main.cpp:25:19: warning: array subscript has type 'char' [-Wchar-subscripts] d[i][j]=A(); ^ main.cpp:29:29: warning: array subscript has type 'char' [-Wchar-subscripts] if(i!=j&&d[i][k]&&d[k][j]&&(!d[i][j]||d[i][j]>d[i][k]+d[k][j])) ^ main.cpp:29:32: warning: array subscript has type 'char' [-Wchar-subscripts] if(i!=j&&d[i][k]&&d[k][j]&&(!d[i][j]||d[i][j]>d[i][k]+d[k][j])) ^ main.cpp:29:38: warning: array subscript has type 'char' [-Wchar-subscripts] if(i!=j&&d[i][k]&&d[k][j]&&(!d[i][j]||d[i][j]>d[i][k]+d[k][j])) ^ main.cpp:29:41: warning: array subscript has type 'char' [-Wchar-subscripts] if(i!=j&&d[i][k]&&d[k][j]&&(!d[i][j]||d[i][j]>d[i][k]+d[k][j])) ^ main.cpp:29:49: warning: array subscript has type 'char' [-Wchar-subscripts] if(i!=j&&d[i][k]&&d[k][j]&&(!d[i][j]||d[i][j]>d[i][k]+d[k][j])) ^ main.cpp:29:52: warning: array subscript has type 'char' [-Wchar-subscripts] if(i!=j&&d[i][k]&&d[k][j]&&(!d[i][j]||d[i][j]>d[i][k]+d[k][j])) ^ main.cpp:29:58: warning: array subscript has type 'char' [-Wchar-subscripts] if(i!=j&&d[i][k]&&d[k][j]&&(!d[i][j]||d[i][j]>d[i][k]+d[k][j])) ^ main.cpp:29:61: warning: array subscript has type 'char' [-Wchar-subscripts] if(i!=j&&d[i][k]&&d[k][j]&&(!d[i][j]||d[i][j]>d[i][k]+d[k][j])) ^ main.cpp:29:66: warning: array subscript has type 'char' [-Wchar-subscripts] if(i!=j&&d[i][k]&&d[k][j]&&(!d[i][j]||d[i][j]>d[i][k]+d[k][j])) ^ main.cpp:29:69: warning: array subscript has type 'char' [-Wchar-subscripts] if(i!=j&&d[i][k]&&d[k][j]&&(!d[i][j]||d[i][j]>d[i][k]+d[k][j])) ^ main.cpp:29:74: warning: array subscript has type 'char' [-Wchar-subscripts] if(i!=j&&d[i][k]&&d[k][j]&&(!d[i][j]||d[i][j]>d[i][k]+d[k][j])) ^ main.cpp:29:77: warning: array subscript has type 'char' [-Wchar-subscripts] if(i!=j&&d[i][k]&&d[k][j]&&(!d[i][j]||d[i][j]>d[i][k]+d[k][j])) ^ main.cpp:30:24: warning: array subscript has type 'char' [-Wchar-subscripts] d[i][j]=d[i][k]+d[k][j]; ^ main.cpp:30:27: warning: array subscript has type 'char' [-Wchar-subscripts] d[i][j]=d[i][k]+d[k][j]; ^ main.cpp:30:32: warning: array subscript has type 'char' [-Wchar-subscripts]