Compilare: main.cpp: In function 'void task2()': main.cpp:106:32: warning: array subscript has type 'char' [-Wchar-subscripts] if(c[w] && fq[x] - 1 >= c[x]) ^ main.cpp:106:44: warning: array subscript has type 'char' [-Wchar-subscripts] if(c[w] && fq[x] - 1 >= c[x]) ^ main.cpp:108:25: warning: array subscript has type 'char' [-Wchar-subscripts] fq[x]--; ^