Compilare: main.cpp: In function 'int main()': main.cpp:46:24: warning: array subscript has type 'char' [-Wchar-subscripts] fl[i][j] = fl[i - 1][j]; ^ main.cpp:46:39: warning: array subscript has type 'char' [-Wchar-subscripts] fl[i][j] = fl[i - 1][j]; ^ main.cpp:47:25: warning: array subscript has type 'char' [-Wchar-subscripts] flc[i][j] = flc[i - 1][j]; ^ main.cpp:47:41: warning: array subscript has type 'char' [-Wchar-subscripts] flc[i][j] = flc[i - 1][j]; ^ main.cpp:50:24: warning: array subscript has type 'char' [-Wchar-subscripts] fl[i][j] = fl[i - 1][j]; ^ main.cpp:50:39: warning: array subscript has type 'char' [-Wchar-subscripts] fl[i][j] = fl[i - 1][j]; ^ main.cpp:51:25: warning: array subscript has type 'char' [-Wchar-subscripts] flc[i][j] = flc[i - 1][j]; ^ main.cpp:51:41: warning: array subscript has type 'char' [-Wchar-subscripts] flc[i][j] = flc[i - 1][j]; ^ main.cpp:54:19: warning: array subscript has type 'char' [-Wchar-subscripts] fl[i][s[i]]++; ^ main.cpp:55:24: warning: array subscript has type 'char' [-Wchar-subscripts] flc[i][lit[s[i]]]++; ^ main.cpp:55:25: warning: array subscript has type 'char' [-Wchar-subscripts] flc[i][lit[s[i]]]++; ^ main.cpp:71:15: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if (r != n) ~~^~~~ main.cpp:84:26: warning: array subscript has type 'char' [-Wchar-subscripts] ch = lit[s[r]]; ^ main.cpp:85:35: warning: array subscript has type 'char' [-Wchar-subscripts] printf ("%c", lit[s[r]]); ^ main.cpp:88:56: warning: array subscript has type 'char' [-Wchar-subscripts] nap = l / 2 * ((unsigned long long)fl[n - 1][ch] + flc[n - 1][ch]); ^ main.cpp:88:73: warning: array subscript has type 'char' [-Wchar-subscripts] nap = l / 2 * ((unsigned long long)fl[n - 1][ch] + flc[n - 1][ch]); ^ main.cpp:91:37: warning: array subscript has type 'char' [-Wchar-subscripts]