Main.cc: In function 'int main()':
Main.cc:6:3: error: invalid conversion from 'int (*)()' to 'char' [-fpermissive]
a=getchar;
^
Main.cc:7:11: warning: statement has no effect [-Wunused-value]
(int) (a);
^
Main.cc:8:16: error: 'c' was not declared in this scope
if(a-1>=32 || c-1<=126){
^