Compilare: main.cpp: In function 'int main()': main.cpp:45:24: warning: array subscript has type 'char' [-Wchar-subscripts] fl[i][j] = fl[i - 1][j]; ^ main.cpp:45:39: warning: array subscript has type 'char' [-Wchar-subscripts] fl[i][j] = fl[i - 1][j]; ^ main.cpp:46:25: warning: array subscript has type 'char' [-Wchar-subscripts] flc[i][j] = flc[i - 1][j - 1]; ^ main.cpp:49:24: warning: array subscript has type 'char' [-Wchar-subscripts] fl[i][j] = fl[i - 1][j]; ^ main.cpp:49:39: warning: array subscript has type 'char' [-Wchar-subscripts] fl[i][j] = fl[i - 1][j]; ^ main.cpp:50:25: warning: array subscript has type 'char' [-Wchar-subscripts] flc[i][j] = flc[i - 1][j - 1]; ^ main.cpp:53:19: warning: array subscript has type 'char' [-Wchar-subscripts] fl[i][s[i]]++; ^ main.cpp:54:24: warning: array subscript has type 'char' [-Wchar-subscripts] flc[i][lit[s[i]]]++; ^ main.cpp:54:25: warning: array subscript has type 'char' [-Wchar-subscripts] flc[i][lit[s[i]]]++; ^ main.cpp:68:15: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if (r != n) ~~^~~~ main.cpp:81:26: warning: array subscript has type 'char' [-Wchar-subscripts] ch = lit[s[r]]; ^ main.cpp:82:35: warning: array subscript has type 'char' [-Wchar-subscripts] printf ("%c", lit[s[r]]); ^ main.cpp:85:36: warning: array subscript has type 'char' [-Wchar-subscripts] nap = l / 2 * (fl[n - 1][ch] + flc[n - 1][ch]); ^ main.cpp:85:53: warning: array subscript has type 'char' [-Wchar-subscripts] nap = l / 2 * (fl[n - 1][ch] + flc[n - 1][ch]); ^ main.cpp:88:37: warning: array subscript has type 'char' [-Wchar-subscripts] nap += flc[n - 1][ch]; ^ main.cpp:90:36: warning: array subscript has type 'char' [-Wchar-subscripts] nap += fl[n - 1][ch]; ^ main.cpp:93:28: warning: array subscript has type 'char' [-Wchar-subscripts]