src.cpp: In function 'int main()':
src.cpp:6:1: error: expected ';' before 'int'
int a;cin>>a;
^
src.cpp:6:12: error: 'a' was not declared in this scope
int a;cin>>a;
^
src.cpp:9:9: error: 'A' was not declared in this scope
cin>>A[i];
^
src.cpp:11:6: error: 'A' was not declared in this scope
sort(A+1,A+a+1);
^