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#include <iostream>
#include <cstring>
#include <cstdlib>
using namespace std;
// шаблон функции printArray
template <typename T>
void plus(const T* num1,const T* num2){
	cout<<num1+num2;
	cout<<endl;
}
template <typename T>
void cintype(const T* num1,const T* num2){
	cin>>num1;
	cin>>num2;
}
 
int main()
{	template <typename T>
	const T* a;
	const T* b;
	cintype(a,b);
	plus(a,b)	
 
    return 0;
}

prog.cpp: In function ‘int main()’:
prog.cpp:18:3: error: a template declaration cannot appear at block scope
 { template <typename T>
   ^~~~~~~~
prog.cpp:21:10: error: ‘a’ was not declared in this scope
  cintype(a,b);
          ^
prog.cpp:21:12: error: ‘b’ was not declared in this scope
  cintype(a,b);
            ^
prog.cpp:22:2: error: reference to ‘plus’ is ambiguous
  plus(a,b)
  ^~~~
prog.cpp:7:6: note: candidates are: template<class T> void plus(const T*, const T*)
 void plus(const T* num1,const T* num2){
      ^~~~
In file included from /usr/include/c++/6/string:48:0,
                 from /usr/include/c++/6/bits/locale_classes.h:40,
                 from /usr/include/c++/6/bits/ios_base.h:41,
                 from /usr/include/c++/6/ios:42,
                 from /usr/include/c++/6/ostream:38,
                 from /usr/include/c++/6/iostream:39,
                 from prog.cpp:1:
/usr/include/c++/6/bits/stl_function.h:147:12: note:                 template<class _Tp> struct std::plus
     struct plus;
            ^~~~

Standard output is empty