Compilare: main.cpp: In function 'int main()': main.cpp:19:24: warning: array subscript has type 'char' [-Wchar-subscripts] 19 | f >> D[i][j]; | ^ main.cpp:19:27: warning: array subscript has type 'char' [-Wchar-subscripts] 19 | f >> D[i][j]; | ^ main.cpp:24:19: warning: array subscript has type 'char' [-Wchar-subscripts] 24 | D[i][j] = D[i][j] - x; | ^ main.cpp:24:22: warning: array subscript has type 'char' [-Wchar-subscripts] 24 | D[i][j] = D[i][j] - x; | ^ main.cpp:24:29: warning: array subscript has type 'char' [-Wchar-subscripts] 24 | D[i][j] = D[i][j] - x; | ^ main.cpp:24:32: warning: array subscript has type 'char' [-Wchar-subscripts] 24 | D[i][j] = D[i][j] - x; | ^ main.cpp:37:43: warning: array subscript has type 'char' [-Wchar-subscripts] 37 | dif = dif + D[h][p]; | ^ main.cpp:37:46: warning: array subscript has type 'char' [-Wchar-subscripts] 37 | dif = dif + D[h][p]; | ^ main.cpp:10:35: warning: 'dif' may be used uninitialized [-Wmaybe-uninitialized] 10 | char t, n, D[101][101], i, j, dif, difmax, l, h, k = 1, p, x; | ^~~