Compilare: user.cpp: In function ‘int termen()’: user.cpp:55:19: warning: array subscript has type ‘char’ [-Wchar-subscripts] v=A[sir[i]]; ^ user.cpp: In function ‘int main()’: user.cpp:69:18: warning: format ‘%c’ expects argument of type ‘char*’, but argument 2 has type ‘int*’ [-Wformat=] scanf("%c",&C); ^ user.cpp: In function ‘int termen()’: user.cpp:59:1: warning: control reaches end of non-void function [-Wreturn-type] } ^ /tmp/ccQbyYLC.o: In function `main': user.cpp:(.text.startup+0x4b): warning: the `gets' function is dangerous and should not be used.