/in/foo.cc:3:1: error: 'iny' does not name a type
 iny t,n,a[100005],b[105],x,y;
 ^~~
/in/foo.cc: In function 'int main()':
/in/foo.cc:6:7: error: 't' was not declared in this scope
  cin>>t;
       ^
/in/foo.cc:9:8: error: 'n' was not declared in this scope
   cin>>n;
        ^
/in/foo.cc:11:9: error: 'a' was not declared in this scope
    cin>>a[i];
         ^
/in/foo.cc:12:8: error: 'a' was not declared in this scope
   sort(a+1,a+1+n);
        ^
/in/foo.cc:13:8: warning: unused variable 'ok' [-Wunused-variable]
   bool ok=1;
        ^~