Compilare: user.cpp: In function ‘int p1(int)’: user.cpp:13:18: warning: array subscript has type ‘char’ [-Wchar-subscripts] while(b[c]) ^ user.cpp:15:16: warning: array subscript has type ‘char’ [-Wchar-subscripts] b[c]--; ^ user.cpp:18:1: warning: no return statement in function returning non-void [-Wreturn-type] } ^ user.cpp: In function ‘int gata1(int)’: user.cpp:27:15: warning: array subscript has type ‘char’ [-Wchar-subscripts] if(b[c]) { b[c]--; unu[i]=c; t=gata1(i+1); b[c]++; } ^ user.cpp:27:23: warning: array subscript has type ‘char’ [-Wchar-subscripts] if(b[c]) { b[c]--; unu[i]=c; t=gata1(i+1); b[c]++; } ^ user.cpp:27:55: warning: array subscript has type ‘char’ [-Wchar-subscripts] if(b[c]) { b[c]--; unu[i]=c; t=gata1(i+1); b[c]++; } ^ user.cpp:31:15: warning: array subscript has type ‘char’ [-Wchar-subscripts] while(!b[c] && c>='a') c--; ^ user.cpp:33:18: warning: array subscript has type ‘char’ [-Wchar-subscripts] unu[i]=c; b[c]--; ^ user.cpp: In function ‘int p2(int)’: user.cpp:47:18: warning: array subscript has type ‘char’ [-Wchar-subscripts] while(b[c]) ^ user.cpp:49:16: warning: array subscript has type ‘char’ [-Wchar-subscripts] b[c]--; ^ user.cpp:52:1: warning: no return statement in function returning non-void [-Wreturn-type] } ^ user.cpp: In function ‘int gata2(int)’: user.cpp:60:15: warning: array subscript has type ‘char’ [-Wchar-subscripts] if(b[c]) { b[c]--; doi[i]=c; t=gata2(i+1); b[c]++; } ^ user.cpp:60:23: warning: array subscript has type ‘char’ [-Wchar-subscripts] if(b[c]) { b[c]--; doi[i]=c; t=gata2(i+1); b[c]++; } ^ user.cpp:60:55: warning: array subscript has type ‘char’ [-Wchar-subscripts] if(b[c]) { b[c]--; doi[i]=c; t=gata2(i+1); b[c]++; } ^ user.cpp:64:15: warning: array subscript has type ‘char’ [-Wchar-subscripts] while(!b[c] && c<='z') c++; ^ user.cpp:66:18: warning: array subscript has type ‘char’ [-Wchar-subscripts]