Compilare: main.cpp: In function 'int main()': main.cpp:46:27: warning: array subscript has type 'char' [-Wchar-subscripts] fl[0][i][j] = fl[0][i - 1][j]; ^ main.cpp:46:45: warning: array subscript has type 'char' [-Wchar-subscripts] fl[0][i][j] = fl[0][i - 1][j]; ^ main.cpp:47:28: warning: array subscript has type 'char' [-Wchar-subscripts] flc[0][i][j] = flc[0][i - 1][j]; ^ main.cpp:47:47: warning: array subscript has type 'char' [-Wchar-subscripts] flc[0][i][j] = flc[0][i - 1][j]; ^ main.cpp:50:27: warning: array subscript has type 'char' [-Wchar-subscripts] fl[1][i][j] = fl[1][i - 1][j]; ^ main.cpp:50:45: warning: array subscript has type 'char' [-Wchar-subscripts] fl[1][i][j] = fl[1][i - 1][j]; ^ main.cpp:51:28: warning: array subscript has type 'char' [-Wchar-subscripts] flc[1][i][j] = flc[1][i - 1][j]; ^ main.cpp:51:47: warning: array subscript has type 'char' [-Wchar-subscripts] flc[1][i][j] = flc[1][i - 1][j]; ^ main.cpp:56:31: warning: array subscript has type 'char' [-Wchar-subscripts] flc[1][i][lit[s[i]]-'A']++; ^ main.cpp:60:31: warning: array subscript has type 'char' [-Wchar-subscripts] flc[0][i][lit[s[i]]-'a']++; ^ main.cpp:77:15: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if (r != n) ~~^~~~ main.cpp:90:26: warning: array subscript has type 'char' [-Wchar-subscripts] ch = lit[s[r]]; ^ main.cpp:91:35: warning: array subscript has type 'char' [-Wchar-subscripts] printf ("%c", lit[s[r]]); ^ main.cpp:24:36: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen ("caps.in", "r", stdin); ^ main.cpp:25:38: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen ("caps.out", "w", stdout); ^ main.cpp:31:28: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf ("%d%d ", &n, &q); ^ main.cpp:32:20: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]